SNP3 • SEP3 - Freehynedi.free.fr/doc_technique/pompe_sauer_groupe3.pdf · High Performance Gear...

Gear Pumps

Technical Information

SNP3 • SEP3

High Performance Gear Pumps and Motor s General Pr oducts

2

TFP 100 PumpsSAE "AA" & DIN Flanges & Shafts7 models 1.20-7.8 cm3 (0.071-0.464 in3)Speeds to 5000 rpmPressures to 210 bar (3000 psi)

SNP3 PumpsSAE "B" & DIN Flanges & Shafts10 models 22.1-88.2 cm3 (1.35-5.38 in3)Speeds to 3000 rpmPressures to 250 bar (3600 psi)NOTE: The SEP3 is available in the 22.1-44.1cm3 (1.35-2.69 in3) displacements forapplications not requiring the pressurecapabilities of the SNP3 or CP180.

SNP2 PumpsSAE "A" & DIN Flanges & Shafts11 models 3.4-25.2 cm3 (0.24-1.54 in3)Speeds to 4000 rpmPressures to 250 bar (3600 psi)

SP2.5/250 PumpsSAE "A" & "B" 2-Bolt FlangesSAE "A" & "B" 11T & 13T spline shaftsSAE "A" & "B" .75" & .875" keyed shafts8 models 20-45 cm3 (1.22-2.75 in3)Speeds to 3000 rpmPressures to 250 bar (3600 psi)Priority Flow Divider Covers

TFM 100 MotorsDIN Flanges & Shafts6 models 2.60-7.8 cm3 (0.158-0.464 in3)Speeds to 3000 rpmPressures to 200 bar (2900 psi)

SNM2 MotorsSAE "A" & DIN Flanges & Shafts10 models 6-25.2 cm3 (0.366-1.54 in3)Speeds to 4000 rpmPressures to 250 bar (3600 psi)NOTE: SNU2 Uni-directional motor available in8.4-25.2 cm3 (0.513-1.54 in3)

TFP 50 PumpDIN Flanges & Shaft5 models 0.25-1.27 cm3 (0.015-0.074 in3)Speeds to 8000 rpmPressures to 200 bar (2900 psi)

Available Configurations, MotorsAvailable Configurations, Pumps

TAM2290 MotorsSAE "B" & DIN Flanges & Shafts9 models 22-90 cm3 (1.34-5.49 in3)Speeds to 3000 rpmPressures to 210 bar (3000 psi)NOTE: TAU2290 Uni-directional motor availablein the same displacements

Fan Drive Systems

Steering Pumps

Available in 8-45 cm3 (0.49-2.75 in3)Special and or engine mount available (iePerkins, Deutz, Kubota, etc.)Flanges and shafts for several enginesContact Sauer-Sundstrand for details andspecifications

Available in 5 to 36 HP configurationsFan speed modulated based temperatureOptions for additional inputsContact Sauer-Sundstrand for detailsand specifications

CP180 PumpsSAE "B" Flanges & Shafts11 models 31.79-95.7 cm3 (1.94-5.38 in3)Speeds to 3200 rpmPressures to 250 bar (3600 psi)Priority Flow Divider Covers

**NOTE: All pumps can be incorporated into multiplepump configurations. Contact Sauer-Sundstrand fordetails and specifications.

CP222 PumpsSAE "C" 2 & 4-Bolt Flanges & Shafts7 models 64.8-162.0 cm3 (3.95-9.89 in3)Speeds to 3000 rpmPressures to 250 bar (3600 psi)


3

Sauer-Sundstrand Gear Pump and Motor Features

• Worldwide sales and service capabilities from the industry leader is part of thepackage for every Sauer-Sundstrand gear product customer.

• Proven reliability with over 45 years of experience in gear product design formobile and industrial applications.

• System pressures to 4000 psi (276 bar) and speeds to 8,000 rpm allow highperformance in system design.

• Pressure balanced design for high efficiency and long life.

• Low cost design and manufacturing for the requirements of fixed displacementsystems.

• Variety of flexible installation options available:

• SAE, Metric, and European flanges, shafts and ports• Convenient side or rear porting options• Auxiliary through drive SAE mounting pads• Integral relief valve, priority flow control, and priority flow divider covers• High temperature viton seals optional• Multiple pump configurations (refer to the Quick Reference chart below)

Fro

nt P

ump

Quick Reference - Multiple Pump Configurations

CP222

CP180

SNP3

SP2 1/2

SNP2

TFP100

TFP50

Rear Pump

Copyright 1994-99, Sauer-Sundstrand GmbH & Co.All rights reserved. Contents subject to change.Information contained herein should be confirmed before placing orders.Printed in Germany.

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TFP50 TFP100 SNP2 SP2 1/2 SEP3/SNP3 CP180 CP222


4

Contents

Sauer-Sundstrand Gear Pump and Motor Features .................................................................................. 3A Complete Family of Sauer-Sundstrand Gear Pumps and Motors ......................................................... 5SNP3 ............................................................................................................................................................... 5SEP3 ............................................................................................................................................................... 5Technical Features ............................................................................................................. ........................... 6DESIGN .......................................................................................................................................................... 6Pump Sizing Calculations .............................................................................................................................. 10SNP3 Technical Data ............................................................................................................ ....................... 11SNP3 Performance Curves ........................................................................................................ ................. 12Dimensions for SNP3 Configurations CO 01 • CI 01 • SC 01........................................................................ 17Dimensions for SNP3 Configurations CI 02 • CO 02 • SC 02........................................................................ 18Dimensions for SNP3 Configurations CI 03 • CO 03 • SC 03........................................................................ 19Dimensions for SNP3 Configurations CI 06 • CO 06 • SC 06. ....................................................................... 20Dimensions for SNP3 Configurations CI 07 • SC 07 / 1)CI 07E • 1)SC 07E ................................................. 21Type Designation and Order Code, SNP3 .......................................................................................... ....... 22SEP3 Technical Data ............................................................................................................ ....................... 23SEP3 Performance Curves ........................................................................................................ ................. 24Dimensions for SEP3 Configurations CI 01 • SC 01 ..................................................................................... 27Dimensions for SEP3 Configurations CI 07 • SC 07 ..................................................................................... 28Type Designation and Order Code, SEP3 .......................................................................................... ....... 29SNP3 Tandems ................................................................................................................... .......................... 30Dimensions for Tandem Gear Pump Configuration • PRR ... + ... . CO 41 (SNP 3 + SNP 3) ....................... 31Dimensions for Tandem Gear Pump Configuration • PRR ... + ... . SC 47 (SNP 3 + SNP 3) ....................... 32Dimensions for Tandem Gear Pump Configuration • PRR ... + ... . SC 37...2 (SNP 3 + SNP 3) .................. 33Dimensions for Tandem Gear Pump Configuration • PRN ... + ... . CO 31 (SNP 3 + SNP 3) ....................... 34Dimensions for Tandem Gear Pump Configuration • PRN ... + ... . SC 37 (SNP 3 + SNP 2) ....................... 35Dimensions for Tandem Gear Pump Configuration • PRN ... + ... . SC 37...2 (SNP 3 + SNP 2) ................. 36Type Designation and Order Code, SNP3 Tandems................................................................................. 3 7Flow vs Speed .................................................................................................................. ........................... 38


5

A Complete Family of Sauer-Sundstrand Gear Pumps and Motors

Gea

r M

otor

Mod

els

Gea

r P

ump

Mod

els

Quick Reference - Displacement/Model

Displacement (in 3/rev)

CP222

CP180

SEP3

SNP3

SP2 1/2

SNP2

TFP100

TFP50

TAM 22/90

SNM2

TFM100

0 .1 .2 .3 .4 .5 1 2 3 4 5 6 7 8 9 10

SEP3The SEP3 series pump is a cost effective alternative for applications not requiring the high pressure ca-pabilities of the SNP3 or CP180 series. The SEP3 design utilizes a bearing block design without thefloating pressure plates as on the SNP3. Overall efficiencies are similar to SNP3. However, pressurecapabilities are reduced. The SEP3 range is available in 22.1 cm3 (1.35 in3) to 44 cm3 (2.69 in3) dis-placements.

SNP3The SNP3 series pump replaces the TAP2290 Series pump. The SNP3 offers an additional model inthe range as well as higher volumetric and torque efficiencies due to improved machining techniquesand a new pressure balance design. Peak pressure capabilities have been increased to 3910 PSI.The overall length of the SNP3 is 4.5 mm (.177 inch) longer than existing TAP2290 units and can beused in single or multiple pump combinations. Adapter kits used for multiple pump combinations arethe same as those used with the TAP2290. There are no components required when changing rota-tion. The SNP3 range is available in 22.1 cm3 (1.35 in3) to 88.2 cm3 (5.38 in3) displacements.


6

ONE PIECESHAFT &

GEAR

Figure 2:

Technical Features

DESIGN

Sauer Sundstrand gear pumps and motors utilizean external spur gear, positive displacement designof proven low pressure high efficiency. These highperformance pumps are constructed of a three piecealuminum body which has been proven in over 30years experience in hydraulic products for mobileand industrial applications. The extruded aluminumhousing provides the necessary strength construc-tion while providing a very high power to weight ratioand increased heat dissipation. Most importantly,the aluminum center section permits the gear teethto inlet create their own path for maximum radial geartip seal and high volumetric efficiency.

ROBUST CONSTRUCTION

One piece gear/shaft construction provides bothhigh strength and an accurate profile. Each integralgear/shaft is constructed of bearing quality hardenedsteel which is machined to precise tolerance forminimum leakage. The one piece design also elimi-nates the potential problems of stress fatigue oftenassociated with two piece designs.

PRECISE GEAR ALIGNMENT

Cast aluminum bearing blocks are fitted to thegear pockets for precise alignment. Since all partsare contained in the housing the possibility of mis-alignment is eliminated. The load is carried uniformlywithout stress being applied to either the end cap orthe front cover. Teflon coated pressure lubricatedbronze bushings in each bearing block ensure a longoperating life.

INLET

FLOATINGPRESSURE

PLATES

Figure 1:

EXTRUDED ALUMINUMGEAR HOUSING

HIGH STRENGTHALUMINUMFLANGE &

COVERSUPER FINISHEDSHAFT JOURNALS

LARGE "DU"BUSHINGS

LEAK PROTECTION

Standard are Buna seals to prevent leakage andmigration of fluids from the hydraulic circuit to thegear box or atmosphere. Viton Shaft seals areavailable.

LOW PRESSURE HIGH PRESSURE

DISCHARGE


7

Technical Features, Continued

PRESSURE BALANCE

Pressure balance plates on each side of the gearscontribute to high volumetric efficiency and maxi-mum seal on all SauerSundstrand pump and motormodels. The TFP100 and SNP2 models are each equippedwith thick pressure plates which function as part ofthe bearing block. The SNP3 has thin pressureplates which provide high efficiency at both low andhigh speed for maximum efficiency throughout thespeed range. See Figure 3. Accurately defined pressure zones at the rearfaces of the bearing blocks receive oil under pres-sure which loads the bearing against the gear sideface. Contact force between bearing face and gear islow and precisely controlled across wide speed,pressure and temperature ranges. The result istypical volumetric efficiencies in the range of 95%through effective sealing between gear and bearingfaces—without causing undue wear or overheatingbetween these faces.

In order to prevent pressure trapping in between

the meshing gear teeth, channels in the bearingblocks permit relief of the trapped fluid to the suctionside of the pump.

The thin pressure balance plates also separatethe pressure balance from the bearing load, thuspermitting the pressure plates to function indepen-dently of bearing load. This permits the balanceplates to accept higher radial loading and someloading in either direction. Running clearances aremaintained tight enough to minimize leakage acrossthe gear faces, yet sufficient to maintain the oil filmbetween mating surfaces for minimum wear. Aspressure increases, the sealing efficiency increasesproportionally.

Teflon impregnated D.U. bushings on all pumpsand motor models provide infinite life within thedesign load range. Unlike antifriction bearings, D.U.bushings do not present a B10 life problem. Teflonand pressure lubrication contribute to an indefiniteoperating life as long as the system is properlymaintained. See Figure 4.The large bearing size provides adequate supportunder all normal operating conditions. Since the

Figure 3:


8


DU® is a trademark of the Garlock BearingCompany

Steel BackingLayer

Teflon impregnatedlead suspends Bronzeparticles

The DU® Bearing

Bronze particles

bushing blocks and gears are contained in the samehousing section, self alignment is ensured. As aresult, Sauer-Sundstrand gear pumps are capable ofhigher pressure and efficiency than many pumps ofequal displacement

DRIVE CONDITIONS

Most Sauer-Sundstrand gear products areavialable SAE standard spline or straight keyed driveshafts for direct or indirect drive applications. A threepiece coupling is the preferred method of directdrives, thereby eliminating radial and axial loading.

Rigid splines may be used providing the mountingpilot should be aligned within .002 in. (.05 mm) oncenter [.004 (.10 mm) TIR].

Both concentricity and angular alignment of shaftsare important to pump life. Misalignment can induceheavy side loads on bearing and seals, causingpremature failure.

Overhung load drives (chain, belt, or gear) arepermissible. Contact Sauer-Sundstrand for assis-tance.

FILTRATIONA wire gauze strainer with a mesh opening of 90

micron (170 mesh) should be incorporated into thepump inlet line from the reservoir. The size of thesuction strainer is determined by the limiting suctioncondition and must be correctly sized and cleaned ona regular basis to prevent cavitation.

A full flow 10 micron filter should be used in thesystem return line to trap all contaminants beforethey enter the reservoir.

Since the filter must be changed at regular inter-vals, the filter housing should be located in an acces-sible area.

OPERATING TEMPERATURES

With Buna seals and normal operating conditions,the system temperature should not exceed 180° F(82°C) except for short periods to 200° F (93° C).

With optional Viton elastomers, the system maybe operated at continuous temperatures up to 225° F(107° C) without damage to the pump.

CAUTION: Operation in excess of 225° F maycause external leakage or premature unit failure.

FLUIDSA mineral based fluid is recommended with addi-

tives to resist corrosion, oxidation and foaming. Theoil should have the maximum viscosity commensu-rate with system pressure drop and pump suctionlevels. The viscosity at any running condition mustbe between 45 SSU minimum and 250 SSU maxi-mum continuous.

Since the fluid used serves as a system lubricant,as well as transmitting power, careful selection of thefluid is important for proper operation of the unit andsatisfactory life of the pump and components.

SUCTIONFor maximum pump life, the inlet vacuum should

not exceed 4 inches ( 100 mm) Hg . at the pump inlet.For cold start conditions, vacuum up to 12 inches(300 mm) Hg. is acceptable for short durations.

Both cavitation and the possibility of aerationincrease with higher inlet vacuum. In addition, oil tilmlubrication is disrupted by high inlet vacuum. Bothfactors, either singularly or combined, may contrib-ute to a decrease in pump life.

CAUTION: Continuous operation at vacuums inexcess of 4 inches Hg. may cause premature unitfailure.

Figure 4:


9

locity. This will reduce system noise, pressure dropsand overheating, thereby adding to cost savings forboth the construction and operation of the system.

Inlet piping should be designed to prevent continu-ous pump inlet vacuums in excess of 4 in. (100 mm)Hg. or 12 in. (300 mm) Hg. during start-up whenmeasured at the inlet port.

RESERVOIR

The reservoir should be designed to accommo-date maximum volume changes during all systemoperating modes and prevent aeration of the fluid asit passes through the tank. Return and inlet linesshould be positioned below the reservoir low oil leveland be located as far as possible from each other. Abaffle plate located between the pump inlet andreturn line is desirable to allow the oil to deaeratebefore it enters the pump.

Reservoirs are normally sized for at least one-halfthe maximum pump flow for adequate oil deaeration.

COOLING

Depending on duty cycle and reservoir/line con-struction, an oil cooler may be required. This is sizedbased on typical power losses in the hydraulic circuit.The oil cooler is usually placed in the return line.

CAVITATION

Hydraulic oil used in the majority of systemscontains about 10% dissolved air by volume. This airunder certain conditions of vacuum within the systemis released from the oil causing air bubbles. These airbubbles collapse if subjected to pressure, and thiscollapse creates erosion of the adjacent metal.Because of this, it becomes obvious that the greaterthe air content within the oil, or the greater thevacuum in the inlet line, the more severe will be theresultant erosion.

The main causes of over-aeration of the oil are airleaks, particularly on the inlet side of the pump, andflow line restrictions such as inadequate pipe sizes,elbow fittings and sudden changes in flow line crosssectional area. Providing these defects are avoided;pump inlet pressure and rated speed requirementsare maintained; and reservoir size and location isadequate, no cavitation problems should occur withSauer-Sundstrand pumps and motors.


MAXIMUM SPEEDMaximum speed is limited by gear tooth filling and

surface speeds centrifugal gear teeth filling. Unlessotherwise specified, maximum rated pump speedslisted in this manual are based on operation at sealevel with SAE oil having a viscosity of 120 SSU at122° (50° C). Speed limits for a particular applicationdepend on inlet pressureand oil viscosity. ConsultSauer-Sundstrand for operation outside these limits.

MINIMUM SPEEDMinimum recommended operating speed, at rated

pressure, varies from 480 RPM to 1100 RPM de-pending upon pump size. Minimum speed is limitedby volumetric efficiency. If lower than recommendedstarting or operating speeds are required, contactSauer-Sundstrand for assistance.

For motors, minimum speeds listed are for con-tinuous operation at rated pressure. Motors may bestarted from zero speed on drives where torquetypically increases with speed. Repeated starts un-der high load conditions are not recommended. Noload start up pressures range from 300 to 600 PSI(20.7 to 41.4 BAR).

INPUT TORQUE RATINGSThe individual product dimensional configurations

in this catalog list the maximum continuous inputtorques for various shaft options.

When applying pumps in tandem or multiple, ob-serve that input torque limitations must be met foreach section and cumulative sections.

Always insure that the rear pump on a tandem unitdoes not exceed its torque rating.

CAUTION: Torques In excess of those shownmay cause premature input shaft or unit failure.

MOUNTING

The pump mount / drive should be designed tominimize axial and radial loads on the shaft. Whenusing indirect (chain, belt, or gear) drive, contactSauer-Sundstrand to determine permissible loadlimits and direction of installation.

PIPING

The choice of piping size and installation shouldalways be consistent with maintaining minimum ve


10

Vg • n • ηv

Output flow Qe = l/min 1000

Vg • ∆pInput torque Me = Nm

20 • π • ηmh

Me • n Qe • ∆pInput Power P = = kW

9550 600 • ηt

Vg = Displacement per revolution in cm3

pHD = High pressure, in bar

pND = Low pressure, in bar

∆p = pHD - pND bar (System pressure)

n = Speed rpm (min-1)

ηv = Volumetric efficiency, (%)

ηmh = Mechanic - hydraulic efficiency, (%)

ηt = Overall efficiency, (%)


Vg • n • ηv

Output flow Qe = gal/min 231

Vg • ∆pInput torque Me = in • lb

2 • π • ηmh

Me • n Qe • ∆pInput Power P = = HP

9550 1714 • ηt

Vg = Displacement per revolution in in3

pHD = High pressure, in psi

pND = Low pressure, in psi

∆p = pHD - pND psi (System pressure)

n = Speed rpm (min-1)

ηv = Volumetric efficiency, (%)

ηmh = Mechanic - hydraulic efficiency, (%)

ηt = Overall efficiency, (%)

Pump Sizing Calculations

Si System

English System

PRESSURE RATINGS

Sauer-Sundstrand pumps are designed to oper-ate continuously at rated pressure. The maximumrelief valve setting must be set above rated pressureand below peak pressure (relief valve overshoot).Lower operating pressure will extend the life of theunit.

PRESSURE PROTECTIONThe pump, as well as other system components,

has pressure limitations. Thus a relief valve must beinstalled in the system, preferably as close to thepump as possible, to protect it from excessive pres-sure. If the relief valve is set at or near the maximumpressure rating for the pump, the operating charac-teristics of the valve should be known so that com-mon relief valve overshoot does not allow systempressure to exceed the pump rating.

CAUTION: Failure to install this relief valvemay result in premature unit failure.

PRESSURE RATINGS

Sauer-Sundstrand pumps are designed to oper-ate continuously at rated pressure. The maximumrelief valve setting must be set above rated pressureand below peak pressure (relief valve overshoot).Lower operating pressure will extend the life of theunit.

LIFE EXPECTANCY

All Sauer-Sundstrand gear pumps utilize pres-sure balanced journal bearings which have an oil filmmaintained between the gear / shaft and bearingsurfaces at all times. If this oil film is sufficientlysustained through proper system maintenance andoperating limits are adhered to, a high life can beexpected.

NOTE: A B-10 type life expectancy number isgenerally associated with anti-frictionbearings and does not exist for journalbearings.

High P erformance Gear Pumps SNP3

11

SNP3 Technical Data

SNP 3 Frame Size

Table 1: SNP 3

1)Maximum pressure not to exceed for 210 bar (3000 psi) for frame sizes 22-55 using threaded ports such as O-ring boss, BSP, ormetric threads.

2)Maximum pressure not to exceed for 230 bar (3300 psi) for frame sizes 22-55 using threaded ports such as O-ring boss, BSP, ormetric threads. Relief Valve must be set between Maximum Peak Pressure and Maximum Pressure.

Shaft Seal with built-in stiff-ener and dust lip, capable towith-stand inner and outerpressure.Maximum inlet pressure: 5bar (70 psi) continuous, 8 bar(115 psi) peak.

Various shaft options such astapered, splined, parallel,straight key, tang, etc.

SAE, DIN, and European standard typesof mounting flanges, meeting all thestandards of the market.

Pressure balanced platesmade in anti-friction alloy.

New sealing systemdesign for high pres-sure and leakageprevention.

Teflon based bushings (DU type) forlong life and high performance.

Extruded aluminum alloy body for highpressure with flanged or threaded typeports. Compatible with all the standardsof the market.

High Quality case hardened steelgears with superior surface finish-ing.

Figure 5:

Dimension 22 26 33 38 44 48 55 63 75 90

Displacement cm3 22.1 26.2 33.1 37.9 44.1 48.3 55.1 63.4 74.4 88.2

in3/Rev 1.35 1.60 2.02 2.32 2.69 2.93 3.36 3.87 4.54 5.38

1)Maximum Speed rpm 3000 3000 3000 3000 3000 3000 2500 2500 2500 2500

bar 250 250 250 200 200 200 180 180 100 100

psi 3625 3625 3625 2900 2900 2900 2610 2610 1450 1450

1)Maximum Pressure bar 250 250 250 250 250 230 230 210 180 150

psi 3600 3625 3625 3625 3625 3335 3335 3045 2610 2175

rpm 3000 3000 3000 2800 2800 2800 2300 2300 2300 2300

2)Maximum Peak Pressure bar 270 270 270 270 270 250 250 230 200 170

psi 3910 3910 3910 3910 3910 3625 3625 3335 2910 2465

Minimum Speed at Maximum Pressure rpm 800 800 800 800 800 800 800 600 600 600

High Performance Gear Pumps SNP3

12

Figure 8: Figure 9:

Figure 6:

SNP3 Performance Curves[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

Figure 7:

2

4

6

8

10

12

14

16

18

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/22

100 psi

3600 psi

0

10

20

30

40

50

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM

Pump Input HorsepowerSNP3/22

1450 psi

3600 psi

2175 psi

0

5

10

15

20

25

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/26

100 psi

3600 psi

0

10

20

30

40

50

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

2175 psi

3600 psi


13

Figure 11:

Figure 12: Figure 13:

SNP3 Performance Curves, (Continued)

Figure 10:

[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

5

10

15

20

25

30

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/33

100 psi

3600 psi

0

10

20

30

40

50

60

70

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3600 psi

2175 psi

5

10

15

20

25

30

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/38

100 psi

3600 psi

0

10

20

30

40

50

60

70

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3600 psi

2175 psi


14

SNP3 Performance Curves, (Continued)

Figure 15:Figure 14:

[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

5

10

15

20

25

30

35

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/44

100 psi

3600 psi

0

10

20

30

40

50

60

70

80

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3600 psi

2175 psi


5

10

15

20

25

30

35

40

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/48

100 psi

3300 psi

0

10

20

30

40

50

60

70

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3300 psi

2175 psi


15

SNP3 Performance Curves, (Continued)[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

5

10

15

20

25

30

35

40

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/55

100 psi

3600 psi

0

10

20

30

40

50

60

70

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3300 psi

2175 psi

Figure 18:


Figure 19:

5

10

15

20

25

30

35

40

45

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/63

100 psi

3000 psi

0

10

20

30

40

50

60

70

80

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3000 psi

2175 psi


16

10

20

30

40

50

60

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/90

100 psi

2000 psi

10

20

30

40

50

60

70

80

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

2000 psi

SNP3 Performance Curves, (Continued)[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

10

20

30

40

50

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSNP3/75

100 psi

2600 psi

0

20

40

60

80

100

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

2600 psi2175 psi




17

Dimensions for SNP3 Configurations CO 01 • CI 01 • SC 01

Figure 26:

body width

150.5

max

(96.2

)(5

4.3

)

148 m

ax

121.5 max

98.4

85.2

42.9

115+0.25

-0.25

11-11.5

Spline B22 x 19 DIN 5482(Profile offset:-0.100)

CO01.....TAPERED SHAFT

SC01.....SPLINED SHAFT

< 40 : +/-0.20

> 40 : +/-0.25

M 8 thread depth =12 mm

M10 thread depth = 17 mm

1 : 8

M8

depth

= 1

8m

m CI01.....PARALLEL SHAFT

C/c

46

24

22

+0

.10

-0.2

0

50

-0.030

20

0

-0.0

21

ø

406

11.5

+0

.30

-0.1

0

22

ø34

5

21.5

0

-0.1

30

ø

40

-0.030

D/d

50.8

-0.0

30

-0.0

76

ø

22.2

2+

0.5

0

-0.5

0

14

Mx1

,5-6

g-

14.5

22

8

20

E/e

46.5

24

5

B max

A+0.75

-0.75

(128

.1)

Maximum Torque, input shaftCI 01 = 230 Nm ( 2035 in•lb)SC 01 = 270 Nm ( 2390 in•lb)CO 01 = 300 Nm ( 2655 in•lb)

Table 2: Dimensions

Dim

ensi

ons

eziSemarF3PNS 22 62 33 83 44 84 55 36 57 09

A mm 00.36 05.46 00.76 08.86 00.17 05.27 00.57 00.87 00.28 00.78

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2 70.3 32.3 34.3

B mm 05.231 05.531 05.041 00.441 05.841 05.151 05.651 05.261 05.071 05.081

ni 22.5 33.5 35.5 76.5 58.5 69.5 61.6 04.6 17.6 11.7

naeporuEtelnItroP

C )ni97.0(mm02 )ni60.1(mm72 )ni24.1(mm63

D )ni75.1(mm04 )ni10.2(mm15 )ni44.2(mm26

E 8M 01M 01M

naeporuEteltuO

troP

c )ni97.0(mm02 )ni60.1(mm72

d )ni75.1(mm04 )ni10.2(mm15

e 8M 01M


18

Dimensions for SNP3 Configurations CI 02 • CO 02 • SC 02

Figure 27:

Spline B22 x 19 DIN 5482

(Profile offset:-0,100)



< 40 : +/-0.20

> 40 : +/-0.25

M 8 depth = 12 mm

M10 depth = 17 mm

X1 : 8

body width

M8

CI02.....PARALLEL SHAFT

C/c

46

2422

+0.1

0

-0.2

0

50

-0.030

20

0

-0.0

21

ø

406

11.5

+0.3

0

-0.1

0

22

ø

34

5

21.5

0

-0.1

30

ø

163 m

ax

(82

,8)

(80

,2)

148 m

ax

124,5 max

98.4

92

45

40

-0.030

D/d

50.8

-0.0

30

-0.0

76

ø

22.2

2+

0.5

0

-0.5

0

14

Mx1

.5-6

g-

14.5

22

8

20

(137)

115+0.25

-0.25

E/e

46.5

24

5

B max

A+0.75

-0.75

11-11,5

depth

= 1

8m

m

Maximum Torque, input shaftCI 02 = 230 Nm ( 2035 in•lb)SC 02 = 270 Nm ( 2390 in•lb)CO 02 = 300 Nm ( 2655 in•lb)

Table 3: Dimensions

Dim

ensi

ons

eziSemarF3PNS 44 84 55 36 57 09

Amm 00.17 05.27 00.57 00.87 00.28 00.78

ni 08.2 58.2 59.2 70.3 32.3 34.3

Bmm 05.841 05.151 05.651 05.261 05.071 05.081

ni 58.5 69.5 61.6 04.6 17.6 11.7

naeporuEtelnItroP

C )ni60.1(mm72 )ni24.1(mm63

D )ni10.2(mm15 )ni44.2(mm26

E 01M 01M

naeporuEteltuO

troP

c )ni60.1(mm72

d )ni10.2(mm15

e 01M


19

Dimensions for SNP3 Configurations CI 03 • CO 03 • SC 03

Figure 28:


(Profile offset: 0,450)



(depth = 17 mm)

X

1 : 8

body width

M8


C/c

4.6

11-

20

-0.030

20

9.8

0

-0.1

30

ø6.4

Mx1

,5-6

g

1.9160

-0.030

23.6

13.6

9.6

+0.1

0

-0.2

0

8.8

0

-0.0

21

ø

3.6

10

ø

20

3.2

181.

5 m

ax

(116)

(65

,5)

148 m

ax

146.5 max

45.72

40

19.8

D/d+0.25

-0.25

24.1

2-0

.030

-0.0

76

ø

8.8

88

+0.5

0

-0.5

0

7

8.8

5.8

11.4

59.8

()

46+0.25

-0.25

E/e

24

11.2

3.2

B max

A+0.75

-0.75

13.5

+0.1

5

-0.2

5

depth

= 1

8m

m

Maximum Torque, input shaftCI 03 = 230 Nm ( 2035 in•lb)SC 03 = 270 Nm ( 2390 in•lb)SC 03 = 450 Nm ( 3982 in•lb)

Table 4: Dimensions

Dim

ensi

ons

eziSemarF3PNS 44 84 55 36 57 09

A mm 17 5.27 57 87 28 78

ni 8.2 58.2 59.2 70.3 32.3 34.3

B mm 5.841 5.151 5.651 5.261 5.071 5.081

ni 58.5 69.5 61.6 4.6 17.6 11.7

naeporuEtelnItroP

C )ni60.1(mm72 )ni24.1(mm63

D )ni10.2(mm15 )ni44.2(mm26

E 01M 01M

naeporuEteltuO

troP

c )ni60.1(mm72

d )ni10.2(mm15

e 01M


20

Dimensions for SNP3 Configurations CI 06 • CO 06 • SC 06.

Figure 29:

body width

1 : 5

X

(depth = 12 mm)

SPLINED SHAFT

SC06.....

TAPERED SHAFT

CO06.....


(Profile offset: 0,202)

45°

C/c

11.5

11-

50

-0.030

13

+0.3

0

-0.1

016

Mx1

,5-6

g

40

28

27.5

0

-0.1

30

ø

105

-0.0

36

-0.0

90

ø

25

ø

7

166.

5 m

ax

(108)

(58.

5)

148 m

ax

123.5 max

102

97

48

D/d+0.25

-0.25

22.2

2+

0.5

0

-0.5

0

15

22

11

23.5

145

()

115+0.25

-0.25

E/e

51

25

8

B max

A+0.75

-0.75

Table 5: Dimensions

Maximum Torque, input shaftCI 06 = 230 Nm ( 2035 in•lb)SC 06 = 270 Nm ( 2390 in•lb)SC 06 = 380 Nm ( 3363 in•lb)

Dim

ensi

ons

eziSemarF3PNS 22 62 33 83 44 55

A mm 00.36 05.46 00.76 08.86 00.17 00.57

ni 84.2 45.2 46.2 17.2 08.2 59.2

B mm 05.231 05.531 05.041 00.441 05.841 05.651

ni 22.5 33.5 35.5 76.5 58.5 61.6

hcsoBtelnItroP

C )ni60.1(mm72

D )ni71.2(mm55

E 8M

hcsoBteltuO

troP

c )ni17.0(mm81

d )ni71.2(mm55

e 01M


21

Dimensions for SNP3 Configurations CI 07 • SC 07 / 1)CI 07E • 1)SC 07E

Figure 30:

Dim

ensi

ons

(depth = 20 mm / 0.79 in)

SAE J498-13T-16/32DP

-FLAT ROOT SIDE FIT-

body width



(circular thickness 0.127 mm less

than standard class 1 fit)

C/c

0

-1.5

61 m

ax

R

D/d+0.25

-0.25

E/e

+0.2

5

-0.2

5

F/f115

+0.25

-0.25

14

.15

-14

.75

176.5 max

146.05

15

7 m

ax

22

.22

+0.5

-0.5

10

1.6

0

-0.0

5ø

22.2

25

0

-0.0

25

ø

33.37.9

21.8

06

0

-0.1

27

ø

41.2

33.37.9

25

13.5

41.2

9.5

B max

A+0.75

-0.75

24

.76

-25

.07

6.3750

-0.025

Maximum Torque, input shaftCI 07 = 230 Nm ( 2035 in•lb)SC 07 = 270 Nm ( 2390 in•lb)

Table 6: Dimensions

1) CI07E and SC07E models have SAE O-ring ports.

eziSemarF3PNS 22 62 33 83 44 84 55 36 57 09

Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57 00.87 00.28 00.78

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2 70.3 32.3 34.3

Bmm 05.231 05.531 05.041 00.441 05.841 05.151 05.651 05.261 05.071 05.081

ni 22.5 33.5 35.5 76.5 58.5 69.5 61.6 04.6 17.6 11.7

tilpSEASegnalF

troPtelnI)dradnats(

C )ni00.1(mm04.52 )ni52.1(mm08.13 )ni05.1(mm01.83

D )ni30.1(mm91.62 )ni91.1(mm81.03 )ni14.1(mm17.53

E )ni60.2(mm73.25 )ni13.2(mm27.85 )ni57.2(mm58.96

F CNU61-8/3 CNU41-61/7 CNU31-2/1

tilpSEASegnalF

troPteltuO)dradnats(

c )ni57.0(mm01.91 )ni00.1(mm04.52 )ni52.1(mm08.13

d )ni88.0(mm32.22 )ni30.1(mm91.62 )ni91.1(mm81.03

e )ni88.1(mm36.74 )ni60.2(mm73.25 )ni13.2(mm27.85

f CNU61-8/3 CNU61-8/3 CNU41-61/7

gnir-O.tpOstroP

telnI C B2NU21-61/5-1 B2NU21-8/5-1 B2NU21-8/7-1

teltuO c B2NU21-61/1-1 B2NU21-61/5-1 B2NU21-8/5-1


22

7022

Type Designation and Order Code, SNP3

SD3PNS / C

BA C D E F

Order Example: SNP3 / 22 D SC 07ESingle gear pump SNP 3, displacement = 1.35 in3

(22.1 cm3) , clockwise rotation, splined shaft, SAE"B" 2 bolt mounting flange, SAE O-ring ports.

E: Mounting Flange

0102 4 bolt DIN mounting flange0306

07 = SAE "B" 2 bolt flange11 = Flange code for Rear Section of Tandem

D: Drive Shaft

CI = Straight Keyed Shaft With KeyCO = Tapered shaft with keySC = Splined Shaft

NOTE: Refer to Configuration Dimensionaldetail on pages 17-21

B: DISPLACEMENT

22 = 22.1 cm3(1.35 in3)26 = 26.2 cm3(1.60 in3)33 = 33.1 cm3(2.02 in3)38 = 37.9 cm3(2.32 in3)44 = 2.69 cm3(2.69 in3)48(1) = 48.3 cm3(2.93 in3)55(1) = 55.1 cm3(3.36 in3)63(1) = 63.4 cm3(3.87 in3)75(1) = 74.4 cm3(4.54 in3)90(1) = 88.2 cm3(5.38 in3)Note: (1)only available in SNP3

F: Special Options

E = SAE O-Ring Boss (SNP3 only)F = BSP Threaded Ports, B.S.P.

A = SAE code 61 ports on other

than 07 code pumps (such

as 11 code rear section for tandem

}E: Rotation

D = Right (Clockwise)S = Left (Counterclockwise)

A: SERIES

SNP 3

High P erformance Gear Pumps SEP3

23

SEP 3 Frame SizeDimension 22 26 33 38 44

Displacement cm3 22.1 26.2 33.1 37.9 44.1

in3/Rev 1.35 1.60 2.02 2.32 2.69

Maximum Speed rpm 3000 3000 3000 2800 2600

bar 180 180 180 180 160

psi 2610 2610 2610 2610 2320

Maximum Pressure bar 210 210 210 210 180

psi 3045 3045 3045 3045 2610

rpm 2500 2500 2500 2300 2300

Maximum Peak Pressure bar 230 230 230 230 200

psi 3335 3335 3335 3335 2910

Minimum Speed at Maximum Pressure rpm 1000 1000 1000 800 800

SAE, DIN, and European standard typesof mounting flanges, meeting all thestandards of the market.

New sealingsystem designfor high pres-sure and leak-age prevention.

Extruded aluminum alloy body for highpressure with flanged or threaded typeports. Compatible with all the standardsof the market.

Shaft Seal with built-in stiff-ener and dust lip, capable towith-stand inner and outerpressure.Maximum inlet pressure: 5bar (70 psi) continuous, 8 bar(115 psi) peak.

Teflon based bushings (DU type) forlong life and high performance. SAE and DIN standard flanges available.

High Quality case hardened steelgears with superior surface finish.

SEP3 Technical Data

Table 7: SEP 3 (Design with One Piece Bearing & Pressure Plate, "01 & 07" Configuration Only)

Figure 31:

High Performance Gear Pumps SEP3

24

Figure 33:


Figure 32:

SEP3 Performance Curves[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

2

4

6

8

10

12

14

16

18

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSEP3/22

100 psi

3000 psi

0

5

10

15

20

25

30

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM

Pump Input HorsepowerSEP3/22

1450 psi

3000 psi

2175 psi

4

6

8

10

12

14

16

18

20

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSEP3/26

100 psi

3000 psi

0

5

10

15

20

25

30

35

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3000 psi

2175 psi


25

SEP3 Performance Curves (Continued)


Figure 37:Figure 36:

[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

5

10

15

20

25

30

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSEP3/33

100 psi3000 psi

0

5

10

15

20

25

30

35

40

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3000 psi

2175 psi

5

10

15

20

25

30

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSEP3/38

100 psi

3000 psi

0

10

20

30

40

50

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3000 psi

2175 psi


26

SEP3 Performance Curves (Continued)[ν = 25 mm2/s (120 SUS), ϑ = 50° C (122°F)]

5

10

15

20

25

30

Flo

w in

Gal

lons

Per

Min

ute

0 500 1000 1500 2000 2500 3000 RPM

Pump FlowSEP3/44

100 psi 3000 psi

0

10

20

30

40

50

Hor

sepo

wer

0 500 1000 1500 2000 2500 3000 RPM


1450 psi

3000 psi

2175 psi



27

Dimensions for SEP3 Configurations CI 01 • SC 01

Figure 42: Maximum Torque, input shaftCI 01 = 230 Nm ( 2035 in•lb)SC 01 = 270 Nm ( 2390 in•lb)

Table 8:

body width

1 : 8 X

E/e : M 8 depth = 12 mm

M10 depth = 17 mm

D/d : < 40 : +/-0.20

> 40 : +/-0.25

SPLINED SHAFT

SC01.....

TAPERED SHAFT

CO01.....


(Profile offset:-0,100)

C/c

22

ø

34

24

5

21.5

0

-0.1

30

ø

150.5

max

(96.2

)(5

4.3

)

14

8 m

ax

121.5 max

98.4

85.2

42.9

40

-0.030

D/d

50.8

-0.0

30

-0.1

04

ø

22.2

2+

0.5

0

-0.5

0

14

Mx1

,5-6

g-

14.5

22

8

20

11.5

+0

.30

-0.1

0

128.1

115+0.25

-0.25

11-11.5E/e

46.5

24

5

B max

A+0.75

-0.75

eziSemarF3PES 22 62 33 83 44

A )ni84.2(mm00.36 )ni45.2(mm05.46 )ni46.2(mm00.76 )ni17.2(mm08.86 )ni08.2(mm00.17

B )ni22.5(mm05.231 )ni33.5(mm05.531 )ni35.5(mm05.041 )ni76.5(mm00.441 )ni58.5(mm05.841

naeporuEtroPtelnI

C )ni97.0(mm02 )ni60.1(mm72

D )ni75.1(mm04 )ni10.2(mm15

E 8M 01M

naeporuEteltuO

troP

c )ni97.0(mm02 )ni60.1(mm72

d )ni75.1(mm04 )ni10.2(mm15

e 8M 01M

Dim

ensi

ons


28

eziSemarF3PES 22 62 33 83 44

A )ni84.2(mm00.36 )ni45.2(mm05.46 )ni46.2(mm00.76 )ni17.2(mm08.86 )ni08.2(mm00.17

B )ni22.5(mm05.231 )ni33.5(mm05.531 )ni35.5(mm05.041 )ni76.5(mm00.441 )ni58.5(mm05.841

EASgnir-O

troPtelnIC B2NU21-"61/5-1 B2NU21-"8/5-1

EASgnir-OteltuO

troP

c B2NU21-"61/1-1 B2NU21-"61/5-1

Straight thread

O-Ring boss



SPLINED SHAFT

SC07.....

PARALLEL SHAFT

CI07.....

X

body width

SAE J498-13T-16/32DP


61 m

ax

R

C / c 115+0.25

-0.25

14

.15

-14

.75

176.5 max

146.05

15

7 m

ax

22

.22

+0

.5

-0.5

10

1.6

0

-0.0

5ø

22

.22

50

-0.0

25

ø

33.37.9

21

.80

60

-0.1

27

ø

41.2

33.37.9

25

13.5

41.2

9.5

B max

A+0.75

-0.75

24

.76

-25

.07

6.3750

-0.025

Dimensions for SEP3 Configurations CI 07 • SC 07

Figure 43: Maximum Torque, input shaftCI 07 = 230 Nm ( 2035 in•lb)SC 07 = 270 Nm ( 2390 in•lb)

Table 9:

Dim

ensi

ons


29

7022

Type Designation and Order Code, SEP3

SD3PES / C

BA C D E F

Order Example: SEP3 / 22 D SC 07Single gear pump SEP 3, displacement = 1.35 in3

(22.1 cm3) , clockwise rotation, O-ring ports, SAESAE "B" 2 bolt mounting flange, Splined shaft.

E: Mounting Flange

01 = 4 bolt DIN mounting flange07 = SAE "B" 2 bolt flange with O-ring ports

D: Drive Shaft


NOTE: Refer to Configuration Dimensionaldetail on pages 27-28

B: DISPLACEMENT

22 = 22.1 cm3(1.35 in3)26 = 26.2 cm3(1.60 in3)33 = 33.1 cm3(2.02 in3)38 = 37.9 cm3(2.32 in3)44 = 2.69 cm3(2.69 in3)

F: Special OptionsE * = SAE O-Ring Boss (SNP3 only)F = Ports, B.S.P. Threads

* SEP3 with CI 07 • SC 07 have SAE O-ringports standard.

E: Rotation

D = Right (Clockwise)S = Left (Counterclockwise)

A: SERIES

SEP 3

High P erformance Tandem Gear Pumps SEP3 • SNP3

30

epyTmednaT gnidoCmednaT noitceSdnoceS,euqroTtupnImumixaM

noitceStnorF*,euqroTtupnImumixaM

noitceSdnoceS**

3PNS+3PNS3puorG+3puorG

14OC...RRP 11.../3PNS )nibl5562(/mN003 )nibl5302(/mN032*

74CS...RRP A11.../3PNS )nibl0932(/mN072 )nibl5302(/mN032*

2...73CS...RRP 70.../3PNS )nibl0932(/mN072 )nibl5302(/mN032*

2PNS+3PNS2puorG+3puorG

14OC...NRP 10.../2PNS )nibl5562(/mN003 )nibl797(/mN09**

73CS...NRP 10.../2PNS )nibl0932(/mN072 )nibl797(/mN09**

2...73CS...NRP 60.../2PNS )nibl0932(/mN072 )nibl797(/mN09**

SNP3 Tandems

* Torque limits must not exceed these levels, pressure and speed parameters listed on page 11 must not beexceeded regardless of input torque limits.

** Torque limits for SNP2 pumps must not exceed these levels when used as a second section of the tan-dem. Please refer to pressure and speed parameters listed in BLN-10071. Parameters such as pressureand speed listed in BLN-10071 must not be exceeded regardless of input torque limits.

Group 3 + Group 1 tandems (SNP3 + TFP100) are available. Please contact Sauer-Sundstrand foravailability.

Table 10:


31

eziSemarF3PNS 22 62 33 83 44 84 55

Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

1Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

Bmm 01.621 01.921 01.431 06.731 01.241 01.541 01.051

ni 69.4 80.5 82.5 24.5 95.5 17.5 19.5

1Bmm 05.231 05.531 05.041 00.441 05.841 05.151 05.651

ni 22.5 33.5 35.5 76.5 58.5 69.5 61.6

naeporuEtroPtelnI

C )ni87.0(mm02 )ni60.1(mm72

D )ni75.1(mm04 )ni10.2(mm15

E 8M 01M

naeporuEtroPteltuO

c )ni87.0(mm02 )ni60.1(mm72

d )ni75.1(mm04 )ni10.2(mm15

e 8M 01M

X

B1 max

50.8

-0.0

30

-0.0

76

ø

115

+0.2

5

-0.2

5

( B+B1 ) 46.5

B+0.40

-0.40

22.2

2+

0.5

-0.5

A1+0.50

-0.50A

+0.50

-0.50

(B+A1)+0.90

-0.90

22 5

< 40 :+/-0.20

> 40 :+/-0.25< 40 :+/-0.20

> 40 :+/-0.25

1 : 8

151

max

149

max

121.5 max

98.4

85.2

42.9

128

.1(

)

11-11.5

20

11.5+0.30

-0.10

40

-0.0

30

14.58

22

ø

14

Mx1

.5-6

g-

24C

/c

D/d

E/eC

/c

D/d

E/e

Dimensions for Tandem Gear Pump Configuration • PRR ... + ... . CO 41 (SNP 3 + SNP 3)

Figure 44:

NOTE: This Tandem Requires BoltAdapter Kit #B81922-1160K

Table 11: Dimensions

Dim

ensi

ons


32

eziSemarF3PNS 22 62 33 83 44 84 55

Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

1Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

Bmm 01.621 01.921 01.431 06.731 01.241 01.541 01.051

ni 69.4 80.5 82.5 24.5 95.5 17.5 19.5

1Bmm 05.231 05.531 05.041 00.441 05.841 05.151 05.651

ni 22.5 33.5 35.5 76.5 58.5 69.5 61.6

edoCEASegnalF16troPtelnI

C )ni00.1(mm04.52 )ni52.1(mm08.13 )ni05.1(mm01.83

D )ni30.1(mm91.62 )ni91.1(mm81.03 )ni14.1(mm17.53

E )ni60.2(mm73.25 )ni13.2(mm27.85 )ni57.2(mm58.96

F CNU61-8/3 CNU41-61/7 CNU31-2/1

edoCEASegnalF16troPteltuO

c )ni57.0(mm01.91 )ni00.1(mm04.52 )ni52.1(mm08.13

d )ni88.0(mm32.22 )ni30.1(mm91.62 )ni91.1(mm81.03

e )ni88.1(mm36.74 )ni60.2(mm73.25 )ni13.2(mm27.85

f CNU61-8/3 CNU61-8/3 CNU41-61/7

R61 max

( spline )



SP

LIN

ED

SH

AF

T

X

body

wid

th

SAE J498-13T-16/32DP


(depth = 20mm)

C/c

0-1

.5

C/c0

-1.5

21.8

06

0

-0.1

27

ø

( B+B1 ) 41.2

B1 max B+0.40

-0.40

120.5 max

115

+0.2

5

-0.2

5

158 m

ax

22.2

2+

0.5

-0.5

101.6

0

-0.0

5ø

33,37,9

25

A1+0.50

-0.50A

+0.50

-0.50

(B+A1)+0.90

-0.90

F/fF/f

E+

0.2

5

-0.2

5

D/d+0.25

-0.25E

+0.2

5

-0.2

5

D/d+0.25

-0.25

14,1

5-1

4.7

5

176.5 max

146.05

13.5 9.5

(depth = 20mm)

Dim

ensi

ons


Dimensions for Tandem Gear Pump Configuration • PRR ... + ... . SC 47 (SNP 3 + SNP 3)

Figure 45:



33

eziSemarF3PNS 22 62 33 83 44 84 55

Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

1Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

Bmm 01.071 01.371 01.871 06.181 01.681 01.981 01.491

ni 07.6 18.6 10.7 51.7 33.7 44.7 46.7

1Bmm 05.231 05.531 05.041 00.441 05.841 05.151 05.651

ni 22.5 33.5 35.5 76.5 58.5 69.5 61.6

edoCEASegnalF16troPtelnI

C )ni00.1(mm04.52 )ni52.1(mm08.13 )ni05.1(mm01.83

D )ni30.1(mm91.62 )ni91.1(mm81.03 )ni14.1(mm17.53

E )ni60.2(mm73.25 )ni13.2(mm27.85 )ni57.2(mm58.96

F CNU61-8/3 CNU41-61/7 CNU31-2/1

edoCEASegnalF16troPteltuO

c )ni57.0(mm01.91 )ni00.1(mm04.52 )ni52.1(mm08.13

d )ni88.0(mm32.22 )ni30.1(mm91.62 )ni91.1(mm81.03

e )ni88.1(mm36.74 )ni60.2(mm73.25 )ni13.2(mm27.85

f CNU61-8/3 CNU61-8/3 CNU41-61/7

R61 max

( spline )



SP

LIN

ED

SH

AF

T

X

bo

dy

wid

th

SAE J498-13T-16/32DP


(depth = 20 mm)

C/c

0-1

.5

C/c 0-1.5

E+

0.2

0

-0.2

0

14.15-14.75

21.8

06

0

-0.1

27

ø

( B+B1 ) 41.2

B1 max B+0.50

-0.50

120.5 max

115

+0.2

5

-0.2

5

158 m

ax

22.2

2+

0.5

-0.5

101.6

0

-0.0

5ø

33.37.9

25

A1+0.50

-0.50A

+0.50

-0.50

(B+A1)+1

-1

F/fF/f

E+

0.2

5

-0.2

5

D/d+0.25

-0.25D/d

+0.25

-0.25

176.5 max

146.05

13.5 9.5

(depth = 20 mm)

Dim

ensi

ons


Dimensions for Tandem Gear Pump Configuration • PRR ... + ... . SC 37...2 (SNP 3 + SNP 3)

Figure 46:



34

eziSemarF3PNS 22 62 33 83 44 84 55

Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

Bmm 01.151 01.451 01.951 06.261 01.761 01.071 01.571

ni 59.5 70.6 62.6 04.6 85.6 07.6 98.6

naeporuEtroPtelnI

C )ni87.0(mm02 )ni60.1(mm72

D )ni75.1(mm04 )ni10.2(mm15

E 8M 01M

naeporuEtroPteltuO

c )ni87.0(mm02 )ni60.1(mm72

d )ni75.1(mm04 )ni10.2(mm15

e 8M 01M

eziSemarF2PNS 4 6 8 11 41 71 91 22 52

1Amm 52.34 00.54 00.94 00.25 00.65 00.95

ni 07.1 77.1 39.1 50.2 02.2 23.2

1Bmm 00.09 05.39 05.79 05.101 05.701 05.111 05.511 05.121 05.521

ni 45.3 86.3 48.3 00.4 32.4 93.4 55.4 87.4 49.4

naeporuEtroPtelnI

1C )ni35.0(mm5.31 )ni97.0(mm02 )ni39.0(mm5.32

1D )ni81.1(mm03 )ni75.1(mm04 )ni75.1(mm04

1E 6M 8M

naeporuEtroPteltuO

1c )ni35.0(mm5.31 )ni97.0(mm02

1d )ni81.1(mm03 )ni75.1(mm04

1e 6M 8M

X

SNP3

SNP2

C1/

c1

D1/d1+0.20

-0.20

1 : 8

90+

0.25

-0.2

515

.7+

0.50

-0.5

0

115

+0.

25-0

.25

( B+B1 ) 46.5

B+0.50

-0.50

A+0.50

-0.50

(B+A1)+1

-1

22 5

< 40 :+/-0.20> 40 :+/-0.25

E1/e1

A1+0.50

-0.50

B1 max

50.8

-0.0

30

-0.0

76ø

22.2

2+

0.5

-0.5

11.5+0.30

-0.10

40

-0.0

30

11-11.5

42.9

85.2

128.

1

149

max

151

max

121.5 max

98.4

14M

x1,5

-6g-

22ø

8

20

E/e

D/d

C/c

24 14.5

Dim

ensi

ons

Dim

ensi

ons


Dimensions for Tandem Gear Pump Configuration • PRN ... + ... . CO 31 (SNP 3 + SNP 3)

Figure 47:



35

eziSemarF3PNS 22 62 33 83 44 84 55

Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

Bmm 01.151 01.451 01.951 06.261 01.761 01.071 01.571

ni 59.5 70.6 62.6 04.6 85.6 07.6 98.6

16edoCEAStelnIegnalF

troP

C )ni00.1(mm04.52 )ni52.1(mm08.13 )ni05.1(mm01.83

D )ni30.1(mm91.62 )ni91.1(mm81.03 )ni14.1(mm17.53

E )ni60.2(mm73.25 )ni13.2(mm27.85 )ni57.2(mm58.96

F CNU61-8/3 CNU41-61/7 CNU31-2/1

16edoCEASteltuOegnalF

troP

c )ni57.0(mm01.91 )ni00.1(mm04.52 )ni52.1(mm08.13

d )ni88.0(mm32.22 )ni30.1(mm91.62 )ni91.1(mm81.03

e )ni88.1(mm36.74 )ni60.2(mm73.25 )ni13.2(mm27.85

f CNU61-8/3 CNU61-8/3 CNU41-61/7

eziSemarF2PNS 4 6 8 11 41 71 91 22 52

1Amm 52.34 00.54 00.74 00.94 00.25 00.45 00.65 00.95 00.16

ni 07.1 77.1 58.1 39.1 50.2 31.2 02.2 23.2 04.2

1Bmm 00.09 05.39 05.79

-5.1010

-5.7010

-5.1110

-.51105

05.121 05.521

ni 45.3 86.3 48.3 00.4 32.4 93.4 55.4 87.4 49.4

telnIgnir-O G NU21-"61/1-1EAS

teltuOgnir-O g NU41-"8/7EAS

Straight thread

O-Ring boss7,9

SAE J498-13T-16/32DP


X

SP

LIN

ED

SH

AF

T



( spline )

R61 max SNP3

SNP2

C/c

0-1

.5

G/g15

.7+

0.5

-0.5

90

+0

.25

-0.2

5

11

5+

0.2

5

-0.2

5

14.15-14.75

21

.806

0

-0.1

27

ø

( B+B1 ) 41.2

B1 max B+0.50

-0.50

120.5 max

15

8 m

ax

22

.22

+0

.5

-0.5

10

1.6

0

-0.0

5ø

33,3

25

A1+0.50

-0.50A

+0.50

-0.50

(B+A1)+1

-1

E+

0.2

5

-0.2

5

D/d+0.25

-0.25

176.5 max

146.05

13.5 9.5

F/f (depth=20 mm)

Dimensions for Tandem Gear Pump Configuration • PRN ... + ... . SC 37 (SNP 3 + SNP 2)

Figure 48:



Dim

ensi

ons

Dim

ensi

ons


36

R61 max

( spline )



SP

LIN

ED

SH

AF

T

X

SAE J498-13T-16/32DP


(depth = 20 mm)

7.9

Straight thread

O-Ring boss

SNP3/

SNP2/

C/c

0-1

.5

G/g

15.7

+0.5

-0.5

90

+0.2

5

-0.2

5

115

+0.2

5

-0.2

5

14.15-14.75

21.8

06

0

-0.1

27

ø

( B+B1 ) 41.2

B1 max B+0.50

-0.50

120.5 max

158 m

ax

22.2

2+

0.5

-0.5

101.6

0

-0.0

5ø

33.3

25

A1+0.50

-0.50A

+0.50

-0.50

(B+A1)+1

-1

F/f

E+

0.2

5

-0.2

5

D/d+0.25

-0.25

176,5 max

146.05

13.5 9.5

eziSemarF3PNS 22 62 33 83 44 84 55

Amm 00.36 05.46 00.76 08.86 00.17 05.27 00.57

ni 84.2 45.2 46.2 17.2 08.2 58.2 59.2

Bmm 01.951 01.261 01.761 06.071 01.571 01.871 01.381

ni 62.6 83.6 85.6 27.6 98.6 10.7 12.7

16edoCEAStelnIegnalF

troP

C )ni00.1(mm04.52 )ni52.1(mm08.13 )ni05.1(mm01.83

D )ni30.1(mm91.62 )ni91.1(mm81.03 )ni14.1(mm17.53

E )ni60.2(mm73.25 )ni13.2(mm27.85 )ni57.2(mm58.96

F CNU61-8/3 CNU41-61/7 CNU31-2/1

16edoCEASteltuOegnalF

troP

c )ni57.0(mm01.91 )ni00.1(mm04.52 )ni52.1(mm08.13

d )ni88.0(mm32.22 )ni30.1(mm91.62 )ni91.1(mm81.03

e )ni88.1(mm36.74 )ni60.2(mm73.25 )ni13.2(mm27.85

f CNU61-8/3 CNU61-8/3 CNU41-61/7

eziSemarF2PNS 4 6 8 11 41 71 91 22 52

1Amm 52.34 00.54 74 00.94 00.25 45 00.65 00.95 16

ni 07.1 77.1 58.1 39.1 50.2 31.2 02.2 23.2 04.2

1Bmm 00.09 05.39 05.79

-5.1010

-5.7010

-5.1110

-.51105

05.121 05.521

ni 45.3 86.3 48.3 00.4 32.4 93.4 55.4 87.4 49.4

telnIgnir-O G NU21-"61/1-1EAS

teltuOgnir-O g NU41-"8/7EAS

Dim

ensi

ons

Dim

ensi

ons



Dimensions for Tandem Gear Pump Configuration • PRN ... + ... . SC 37...2 (SNP 3 + SNP 2)

Figure 49:


37

G: Mounting Flange

4142 4 bolt DIN mounting flange4346

37...2 = SAE "B" 2 bolt frontflange(uses SAE RearSection SNP2

47 = SAE "B" 2 bolt frontflange,uses DIN RearSection SNP2 (not NorthAmerican Standard.

11 = Flange code for Rear Sec-tion of Tandem

S

B: Front/Rear SectionSeries Code

RN=SNP3/47 Front + SNP2/SC 06 RearRR=SNP3/47 Front + SNP3/SC 07 Rear

orSNP3/47 Front + SNP3/SC 11A Rear

R 5P N 2 + 2 5 S S 3 7

Type Designation and Order Code, SNP3 Tandems

C D E F GB HA

A: Tandem PumpDesignation

C: FirstSection

D: SecondSection

D: Rear Section (SNP2)

4 = 3.9 cm3 (0.24in3)52) = 5.0 cm3 (0.31in3)6 = 6.0 cm3 (0.37in3)8 = 8.4 cm3 (0.51in3)

11 = 10.8 cm3 (0.66in3)122) = 12.3 cm3 (0.75in3)14 = 14.4 cm3 (0.88in3)17 = 16.8 cm3 (1.03in3)19 = 19.2 cm3 (1.17in3)22 = 22.8 cm3 (1.39in3)25 = 25.2 cm3 (1.54in3)

C: Front Section (SNP3)

22 = 22.1 cm3 (1.35 in3)26 = 26.2 cm3 (1.60 in3)33 = 33.1 cm3 (2.02 in3)38 = 37.9 cm3 (2.32 in3)44 = 2.69 cm3 (2.69 in3)481)= 48.3 cm3 (2.93 in3)551)= 55.1 cm3 (3.36 in3)631)= 63.4 cm3 (3.87 in3)751)= 74.4 cm3 (4.54 in3)901)= 88.2 cm3 (5.38 in3)

}

H: Special OptionsE* = SAE O-Ring Boss (SNP3

only)A = SAE code 61 ports on other

than 07 code pumps (suchas 11 code rear section).

* SEP3 07 configurations haveSAE O-ring ports standard.

1) Not available with SEP3 (SNP3 only for front section)2) Contact Sauer-Sundstrand for availability

E: RotationD = Right (Clockwise)S = Left (Counterclockwise)

Order Example: PRN 22 + 8 S SC 37...2Tandem gear pump PRN, Front section dis-placement = : 22.1 cm3 (1.54 in3), rear sectiondisplacement = : 8.4 cm3 (0.51in3), counterclock-wise rotation, splined shaft, SAE "B" 2 boltmounting flange.

F: Drive Shaft


NOTE: Refer to Configuration Dimen-sional detail on pages 31-36

PRR (SNP3 + SNP3) or PRN (SNP3 + SNP2)


38

ylnOecnerefeRrof,deepSsvwolFlaciteroehT

emarFeziS

deepS MPR0021 MPR0051 MPR0002 MPR0052 MPR0003

stinU nim/l MPG nim/l MPG nim/l MPG nim/l MPG nim/l MPG

22

wolF

25.62 10.7 51.33 67.8 02.44 86.11 52.55 06.41 05.011 91.92

62 44.13 13.8 03.93 83.01 04.25 48.31 05.56 03.71 00.131 16.43

33 27.93 94.01 56.94 21.31 02.66 94.71 57.28 68.12 05.561 27.34

83 84.54 10.21 58.65 20.51 08.57 20.02 57.49 30.52 05.981 60.05

44 29.25 89.31 51.66 74.71 02.88 03.32 52.011 21.92 05.022 52.85

84* 69.75 13.51 54.27 41.91 06.69 25.52 57.021 09.13 05.142 08.36

55* 21.66 74.71 56.28 38.12 02.011 11.92 57.731 93.63 05.572 87.27

36* 80.67 01.02 01.59 21.52 08.621 05.33 05.851 78.14 00.713 47.38

57* 82.98 95.32 06.111 84.92 08.841 13.93 00.681 41.94 00.273 72.89

09* 48.501 69.72 03.231 59.43 04.671 06.64 05.022 52.85 00.144 05.611

3PNSrofylnoelbaliavA=*

Table 17:

Flow vs Speed

High P erformance Gear Pumps Notes

39

Notes

Hydraulic P ower Systems

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SAUER-SUNDSTRAND COMPANY2800 East 13th StreetAmes, IA 50010 • U.S.A.Phone: (515) 239-6000 • Fax: (515) 239-6618

SAUER-SUNDSTRAND GMBH & CO.Postfach 2460 • D-24531 NeumünsterKrokamp 35 • D-24539 Neumünster • GermanyPhone: (04321) 871-0 • Fax: (04321) 871 122

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TI-GP3-E • 06/99 • 300 074A

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