Operating and Maintenance Manual -...

BÖRGER GmbH, Germany www.boerger.de Tel: +49 (0)2862 9103-20

Operating and Maintenance Manual

BÖRGER Rotary Lobe Pump

AL Series


2File: BEDI-AL-1-08-01-E-0Stand 25.10.2001

Operating and Maintenance ManualTable of Contents

BÖRGER – Rotary Lobe PumpsModels AL 25, AL 50, AL75

1. BÖRGER ROTARY LOBE PUMPS (BARE SHAFT PUMP)...................................31.1 CONSTRUCTION OF THE ROTARY LOBE PUMP ........................................................31.2 FLANGES ...........................................................................................................41.3 DRIVE SPECIFICATION..........................................................................................41.4 ASSEMBLY OF AGGREGATE ..................................................................................4

2. COMPLETE BÖRGER – AGGREGATE.................................................................52.1 STANDARD DESIGN .............................................................................................52.2 LUBRICANT LEVEL AND CHANGE ..........................................................................6

3. INSTALLATION IN THE PROCESS SYSTEM ......................................................8

4. START UP ..............................................................................................................9

5. MAINTENANCE AND CONTROL .......................................................................105.1 DISASSEMBLY OF QUICK RELEASE COVER AND FLANGES ....................................105.2 CLEANING OF THE ROTARY LOBE PUMP ..............................................................105.3 DANGER OF FROST............................................................................................10

6. TROUBLESHOOTING..........................................................................................116.1 PROBLEM / HELP...............................................................................................116.2 CHANGE THE PISTONS TYPE AL .........................................................................136.3 EXCHANGE OF MECHANICAL SEAL .......................................................................146.4 ADJUSTMENT OF THE AXIAL TOLERANCE OF THE ROTORS ....................................156.5 GLAND PACKING ...............................................................................................156.6 SPECIAL PUMP CONSTRUCTIONS .......................................................................15

7. SPARE PARTS LIST ...........................................................................................16

8. SPARE PARTS REGARDING THE CODE NUMBER .........................................178.1 CODE NUMBER .................................................................................................178.2 SPARE PARTS LIST............................................................................................17



1. BÖRGER Rotary Lobe Pump (Bare Shaft Pump)

1.1 Construction of the Rotary Lobe PumpBÖRGER Rotary Lobe Pumps of the AL Series are designed on a modular basis. Gear unit,axial wear plates, cover and mechanical seals remain the same throughout the series.The material of the fluid wetted parts of the pump unit should be adapted to the chemical and physi-cal conditions of the fluid. The Code Number represents the parts used in the pump unit.

O i l G a u g e

D r i v i n g S c h a f t( t o p o r b o t t o m )

O i l F i l l U pI n t e r m e d i a t e C h a m b e r

Q u i c k R e l e a s e C o v e rO i l D r a i n R 1 / 2 "T i m i n g G e a r I n t e r m e d i a t e C h a m b e r

O i l D r a i n R 1 / 2 "

T i m i n g G e a rO i l F i l l B r e a t h e r

S a f e t y O p e n i n gd o n o t c l o s e



1.2 FlangesThe flange material is usually galvanized steel or stainless steel. Gaskets (see 8.2 Spare Parts ListPos. 25) have to be installed between the pump casing and the flanges. The material of the Gasketsshould be adapted to the chemical and physical conditions of the fluid.

1.3 Drive SpecificationThe BOERGER Rotary Lobe Pump needs a drive unit with suitable rotation speed and torque. Thedesign of the drive unit (rotation speed and power) depends on the hydraulic conditions (i.e. capac-ity, pressure, viscosity) of the application.

1.4 Assembly of AggregateThe Rotary Lobe Pump and the drive unit must be assembled free of distortion. The pump shaft anddrive shaft have to be connected with a suitable coupling including guard for protection.After assembly of the pump aggregate on the foundation and in the pipe system the align-ment of the coupling has to be controlled as part of the warranty.Follow also Operation and Maintenance Manual of Drive Unit!

Shaft Diameter of AL-Series:

Shaft-Design DiameterStandard, DIN 748 24 mm (0.95 “)

T imi ng Gear Pump Chamber

In te rmed ia te Chamber



2. Complete BÖRGER – Aggregate

2.1 Standard Design

Rotary Lobe Pump and drive (standard: helical geared motor) fitted on common base (twist-free), made fromgalvanized steel, incl. elastic coupling and coupling guard. Also possible is an overhead mounted drive and amechanically adjustable variable speed drive (VSD) for operation in a wide range of flow. The base of the ag-gregate has to be fastened on an even foundation.

1.) BÖRGER Rotary Lobe Pump

2.) Elastic coupling

3.) Coupling Guard

4.) V-Belt Disc

5.) V-Belt

6.) V-Belt Guard

7.) Motor

8.) Gear Reduction Unit

9.) Variable Speed Drive

10.) Base

11.) Flanges



2.2 Lubricant Level and Change

Before start up of the pump unit check oil level of timing gear at the oil gauge. The oil level must beat the middle of the oil gauge. The oil of the timing gear and the fluid of the of intermediate chamberhas to be exchanged every two years or after 10.000 hours of operation.

The fluid level in the intermediate chamber must be at the level of the top shaft. The top opening ofthe intermediate chamber must remain open to the environment and must be protected against dirtwith our plastic stopper. Submersible units must be equipped with a sensor for monitoring of the me-chanical seal.

The functions of the intermediate chamber are

1. Lubrication and cooling of the mechanical seals and rotor/shaft connection2. Detection of seal failures3. Buffer zone to the sealed timing gear

Check fluid of intermediate chamber with every rotor change. When changing mechanical seals theintermediate chamber has to be flushed and cleaned with water before fill up of new fluid. Changethe hydraulic oil at least every two years or after 10,000 operation hours.

Consider that atmospheric conditions (temperature, humidity, aggressiveness etc.) can change theinterval of oil-changes.

Attention: Please check if the factory site filled lubricant types and/or listed oil types ofthe pump unit are allowable with the environmental regulations at the applica-tion site. If need please consult factory.

Oil quantity depending on model!

Rotary Lobe Pump Timing Gear Intermediate ChamberModel Oil quantity Lubricant quantityAL 25 App. 0.37 liter App. 0,22 literAL 50 App. 0.37 liter App. 0,22 literAL 75 App. 0.37 liter App. 0,22 liter

Factory site used oil types:Timing Gear: Mobilgear 630 Intermediate Chamber: Mobil Ambrex 68

Attached is a list of factory approved lubricant types for BOERGER Rotary Lobe Pumps:



Oil Types Timing Gear

Type ofLubricant

AmbientTemperature

°C

Viskosity ARAL BP CASTROL DEA ESSO KLüber MOBIL SHELL TRIPOL

MineralOil

-5...+40(normal)

ISO VG220

Degol BG220

EnergolGR-XP220

Alpha SP 220Alpha MW 220

Deagear DXSAE 85 W90 FalconCLP 150

SpartanEP 220

KlüberoilGEM 1-220

Mobilgear630

Shell OmalaOel 220

Tripol1100/200

MineralOil

-15...+25 ISO VG100

Degol BG100

EnergolGR-XP100

Alpha SP 100Alpha MW 100

Deagear DXSAE 80 WFalcon CLP150

SpartanEP 100

KlüberoilGEM 1-100

Mobilgear629

Shell OmalaOel 100

Tripol1100/100

MineralOil

-50...-15 ISO VG15

Vitamol 1010 BartranHV 15

Hyspin AWS 15Hyspin SP 15

Airkraft Hy-draulic Oil 15

UnivisJ13

Isoflex MT30 rot

Mobil DTE11 M

Shell Tellus OelT 15

Tripol 770

Lubricant Types Intermediate Chamber

Type ofLubricant

AmbientTemperature

°C

Viskosity ARAL BP CASTROL DEA ESSO KLüber MOBIL SHELL TRIPOL

MineralOil

-15...+40 ISO VG68

Motanol HE68

BP Ener-gol CS 68

Magna 68 RenolinDTA 68

NURAY68

KlüberoilGIM 1-68

AMBREX68

SHELL Vi-trea 68

Tripol 943AW-68

Or alternative a mixture of Glysantine and water.

Attention: Oil level must be at the middle of the oil gauge!

Oil level and oil change for drive follow instruction of Operation and Mainte-nance Manual of the drive unit.



3. Installation in the Process SystemThe BÖRGER Rotary Lobe Pumps are self-priming under certain conditions. To prevent cavitationinstall the pump with flooded suction or only with a small suction lift. With larger suction lifts and/orlong suction pipes, control that the NPSH available of the system is higher in comparison to the re-quired NPSH of the pump. The required NSPH value must be at least a 0,5 m under the NPSHavailable to prevent cavitation. With suction lifts over 2 m it is required to install a check valve at asuitable position in the pipe system.

Especially in pump installations with gaseous fluids it is important to prevent air bubbles on the suc-tion side of the pump. If this is not practicable, install an air release valve close to the pump at asuitable position in the pipe system. This ensures a trouble free start up of the pump aggregate.

Install compensators (follow the mounting instruction of the compensator manufacturer) betweenpump flanges and system especially with thin-walled pipes. Also consider loads caused by changingphysical conditions (i.e. temperature).Connection flanges or valves are not allowed to load the pump unit.

Before start up check and if needed correct the alignment of the coupling. Uneven foundation sur-faces have to be corrected.

Recommended Maintenance Space



4. Start Up• Check the lubricant Levels (see 2.2)

• Check that the flange and pipe connections are sealed and not leaking.

• At pumps with infinite variable rotating flanges (i.e. mobile pumps) check the tightness of theclamps. Also check the quick connection flanges.

• Check all installed appurtenances in addition to the pump aggregate (i.e. VFDs, dry runningprotection, pressure gauges etc.).

• Check the rotation direction of the drive.

• Prevent longer dry running in the start up phase.Fluid is needed for cooling of the pump.

• Do not operate pump in hose systems without supervision!

• The BÖRGER Rotary Lobe Pump can operate in either direction. Check if rotation direction fitsyour needs.

Top shaft rotates counterclockwise. Top shaft rotates clockwise.Fluid flows in direction of arrow. Fluid flows in direction of arrow.

Change rotation direction of the drive or change to the other driving shaft of the pump (if suitable) toreverse flow.• Opening of valves.

• After a short time the Rotary Lobe Pump is displacing the nominal capacity. The pressure is notallowed to rise over the permissible pressure of the pipe system and of the Rotary Lobe Pumpand shall not overload the drive unit.

The top opening of the intermediate chamber must remain open to the environment and must beclosed for dirt protection with our plastic stopper. The closing oft he top opening cause damageson the gear wheels and the bearings



5. Maintenance and Control

Before every start up check lubricant levels. In addition to, the Lubricant has to be changed in thenamed periods. (see 2.2 for more information).

5.1 Disassembly of Quick Release Cover and FlangesFollowing are precautions before disassembly of quick release cover and flanges:

• Disconnect motor from power or remove drive from pump unit.

• Close suction and discharge valves.

• Loosen ring nuts of the quick release cover equally app. 1/5” and move the cover slowly ofthe pump casing. Pressure may still exist inside the pump.

Caution: Remaining pressure in the pump can splash fluid out of the gap between pumpcasing and cover. Cover gap with suitable rag.

5.2 Cleaning of the Rotary Lobe PumpRemove quick release cover of the pump (see 5.1). Clean pump and flanges with suitable cleaningagent. Let the pump casing dry and use metal surface protection (i.e. grease) suitable for the rubbermaterial of the rotors. Do not use grease with EPDM or SBR rotors.

5.3 Danger of FrostThe pump and pipe system must be secured against frost. As a supplement BOERGER can deliverboth a heated quick release cover and a heated intermediate chamber.

Attention: Frozen fluid pieces from the pipe system can cause wear insidethe pump, especially at the rubber - coating of the rotors.



6. Troubleshooting

6.1 Problem / Help

Pump does not start after shut down

Possible problem Help• Solids have settled inside the pump after

shut down.

• Rotors are swollen and are tight to thepump casing.

• Long fibers, foil or plastics are blockingthe pump.

• Axial rotor tolerance misaligned

• Power and/or torque too weak, drive toosmall

• Cleaning of pump (see 5.2)

• Check temperature and chemical com-pounds of fluid. Change rotor to a suitablematerial.

• Cleaning of pump and suction flange (see5.1), plan the installation of a Multi-Chopper

• Adjust axial rotor tolerance (see 6.4)

• Change to bigger drive

Pump does not self prime

Possible problem Help• Wrong direction of rotation

• Suction pipe blocked

• Suction connection leaky

• Air bubble inside the pump or pipe system

• Rubber coating of rotors destroyed

• Change rotation direction of the drive

• Clean of suction pipe

• Check gaskets and tightness of connec-tions

• Fill up pump with fluid or release air out ofthe system

• Replace rotors; check temperature andchemical compounds of fluid. Changerotor to a suitable material.



Pump cavitates

Possible Problem Help• Rotation speed too high: The cavities in-

side the pump are not filled (cavitation).

• Solid is blocking suction side

• Decrease rotation speed and/or in-crease suction – pressure

• Remove solid

Oil leakage at the top of the intermediate chamber

Possible Problem Help• O-rings of the mechanical seals are dam-

aged

• Mechanical seal defect

• Replace the o-rings of the mechanicalseals (see 6.2; 6.3)

• Change of mechanical seal (see 6.2; 6.3)

Technical information mechanical seal

The single acting mechanical seals used in BOERGER Rotary Lobe Pumps consist of each two sealfaces positioned against each other. The mechanical seals are quenched with the fluid (standard:hydraulic oil) in the intermediate chamber. With capillary and centrifugal force created by the rotationthe oil is forced between the seal faces and lubricates the seal gap and removes developing heatfrom the mechanical seal. Pumped fluid is not needed to lubricate and/or cool the mechanical seal.

If the mechanical seals had to be opened during maintenance it is recommended to exchangethe mechanical seal, even if the wear limit has not been reached.



6.2 Changing the pistons Type AL

a) Switch off the pump and lock the drive unit. Seal off the suction and pressure pipes using theshut-off valves. (see 5.1)

b) Uniformly unscrew the four ring nuts (1) by 5 mm and slide the lid (2) back a little to allow anypressure to get rid of.

Remaining pressure in the pump can splash fluid out of the gapbetween pump casing and cover. Cover gap with suitable rag.

c) Unscrew the haxagon socket screws (3) of the two pistons using a 14 mm hexagon socket key.(Shafts can be retained by clamping with a part which has no sharp edges).

d) Pull off the seal washer (4) in case they are existent.

e) Unscrew the grub screws from the threaded bores (6), screw the piston withdrawal tool(see: 7. Spare parts list, item no. 90-91) into the threaded bores (6) and pull off thepiston.

f) Check (if necessary replace) and oil the O-rings (5) and (7).

g) Oil the shafts and slide on the new pistons. If several pistons have to be pushed on the shaftthe sealing shell with the two o-rings [check damages!] must be provided. Screw the grubscrews back into the threaded bores (6) of the front pistons.Note: Check the quality symbol on the front sides of the old and new pistons.



h) Unscrew the two screws (3) again and slide on the sealing washer (4).

i) Screw in the cylinder screw (3) and tighten with a torque wrench:• Torque: 80 Nm for standard screws, 8.8• Torque: 60 Nm for stainless steel screws, A4

j) Turn the piston by hand and check for easy running.

k) Replace the lid (2) and tighten the ring nuts (1).

l) Before restarting the pump, test it by carefully tipping the motor switch to ensure the function ofthe pump.



6.3 Exchange of mechanical seal

a) Drain the fluid from the intermediate chamber through the oil drain screw (11).

b) Remove the piston as described under 6.2. (Note 5.1. !)

c) Remove the feather key (9) from the shaft groove. Unscrew the seal receptacle (2)on the pump using a special wrench (see spare parts list, item no. 95).

d) Remove the mechanical seals (4) and with O-rings (5) from the sealreceptacle (2) and seal receptacle sleeve (8). Clean and oil the O-ring seats.

e) Slide the O-rings (5) onto the new seal rings (5). Press seal ring (4) into the receptacle (2)and the other seal ring into the receptacle bushing (8).

f) Screw the receptacle part (2) in flush with the wear plate (7). Then turn thereceptacle part(2) back about 1/6 of a turn. The receptacle part now protrudes approx. 0.3 mm beyond thewear plate. Ensure that the groove of the receptacle part (2) is aligned flush with the featherkey groove (9). - (Note 6.4)

g) Place the feather key (9) in the groove of the receptacle element (2) so that it engagesin the shaft groove.

h) Check the O-ring (1) (replace if necessary) and oil. Clean and oil the countersurfaces of the piston.

i) Install the piston (see point 6.2 / 6.3). Note the torque values!

j) Fill fluid into intermediate chamber through the inlet opening (10)(at least to the upper shaft).

1 09

87

54

52

1

1 1



6.4 Adjustment of the axial Tolerance of the Rotors

1. Remove the lobes as described under 6.3.

2. Take the feather key (9) out of the shaft groove.

3. a) The rotors are too tight to the quick release cover:

Turn the holding bush with thread (2) clockwise 1/6 revolu-tion until the next groove is aligned with the shaft groove byusing the special BÖRGER tool.

0b) The rotors are too tight to the rear wear plate (7):

Turn the holding bush with thread (2) counter clockwise 1/6revolution until the next groove is aligned with the shaft groove by using the specialBOERGER tool.

Do not unscrew the threaded bush (2) more than 1/6 turn! Danger of fluidleakage from the intermediate chamber!

4. Place the feather key (9) into the aligned grooves of the holding bush with thread (2) and ofthe shaft.

5. Refit the rotors (see 6.4).

6.5 Gland Packing

Please refer to separate operation and maintenance instructions.

6.6 Special Pump Constructions

Please refer to separate operation and maintenance instructions.



7. Spare Parts List

The Spare Parts List contains position numbers referring to the explosion drawing, the name of thepart, material, article number (important for spare part orders) and quantity per pump. The BÖRGERRotary lobe pump is furnished with fluid wetted parts according to the code number (see 9.1).

Exchange of Rotary Lobes2 x rotor Pos. No.: 93 x O-ring 31 x 3 Pos. No.: 313 x O-ring 34 x 2,5 Pos. No.: 32

Exchange of Mechanical Seal2 x mechanical seal Pos. No.: 152 x O–ring 31 x 3 Pos. No.: 312 x O–ring 34 x 2,5 Pos. No.: 32

Exchange of wear plates1 x front wear plate Pos. No.: 101 x rear wear plate Pos. No.: 111 x O–ring 155 x 3 Pos. No.: 302 x O–ring 31 x 3 Pos. No.: 312 x O–ring 34 x 2,5 Pos. No.: 322 x countersunk screw; M8 x 16 Pos. No.: 52

Exchange of fluid wetted parts1 x pump casing Pos. No.: 51 x front wear plate Pos. No.: 101 x rear wear plate Pos. No.: 112 x stationary holding bush Pos. No.: 132 x holding bush with thread Pos. No.: 142 x mechanical seal Pos. No.: 152x cover disk Pos. No.: 242x gasket Pos. No.: 251 x O–ring 155 x 3 Pos. No.: 302 x O–ring 31 x 3 Pos. No.: 312 x O–ring 34 x 2,5 Pos. No.: 322 x O–ring 55 x 3 Pos. No.: 332 x countersunk screw; M8 x 16 Pos. No.: 522x socket head cap screw M12 x 25 Pos. No.: 642x sealing washer A 12 x 18 Pos. No.: 74

As special tools use the withdrawal tool for tri-lobe rotors (Pos. No. 90/91), the special toolfor the holding bush (Pos. No. 95).



8. Spare Parts regarding the Code Number

8.1 Code NumberThe code number stamped to the pump nameplate identifies all fluid wetted parts the pump is fur-nished with. The code number is also recorded on the cover page of this operation and maintenancemanual.To decode the pump code, refer to the attached code table.

8.2 Spare Parts ListThe attached spare parts list is universal and contains all available combinations.Please use the pump code for identification.

Please order required spare parts at (please mention the article numbers):

BÖRGER GmbHBenningsweg 2446325 Borken – WesekeGERMANYE – mail: [email protected]

Telefon:Telefax: +49 (0) 2862 / 9103 - 46

+49 (0) 2862 / 9103 – 26

mailto:[email protected]



S t a n d a r d - A s s e m b l y

O v e r h e a d m o u n t e d D r i v e A s s e m b l y

Spare part list AL pumps quantityitem description material article-No. AL 25 AL 50 AL 75

1 gear case 0.6020 A30005 1 1 12 gear case cover 0.6020 A30105 1 1 17 pump casing; AL 25 0.6030 B50115 1 - -

pump casing; AL 50 0.6030 B50215 - 1 -pump casing; AL 75 0.6030 B50315 - - 1pump casing; AL 25; nitrided hardening 0.6030 B50336 1 - -pump casing; AL 50; nitrided hardening 0.6030 B50345 - 1 -pump casing; AL 75; nitrided hardening 0.6030 B50356 - - 1pump casing; AL 25; laser hardening 0.7060 B50366 1 - -pump casing; AL 50; laser hardening 0.7060 B50376 - 1 -pump casing; AL 75; laser hardening 0.7060 B50386 - - 1pump casing; AL 25; st. steel; plasma hardening 1.4517 B50125 1 - -pump casing; AL 50; st. steel; plasma hardening 1.4517 B50225 - 1 -pump casing; AL 75; st. steel; plasma hardening 1.4517 B50325 - - 1

8 quick release cover 0.7040 B51005 1 1 19.1 rotor; 2-lobe; AL 25 FPM R92658 2 - -

rotor; 2-lobe; AL 25 NBR R92668 2 - -rotor; 2-lobe; AL 25 EPDM R92678 2 - -rotor; 2-lobe; AL 50 FPM R92708 - 2 -rotor; 2-lobe; AL 50 NBR R92718 - 2 -rotor; 2-lobe; AL 50 EPDM R92728 - 2 -rotor; 2-lobe; AL 75 FPM R92758 - - 2rotor; 2-lobe; AL 75 NBR R92768 - - 2rotor; 2-lobe; AL 75 EPDM R92778 - - 2

9.2 rotor 3-lobe; stainless steel, auxiliary rotor 1.4571 R93205 - 2 4rotor 3-lobe; stainless steel, front side 1.4571 R93205K 2 2 2rotor 3-lobe; AL 25; PTFE; white PTFE R92783 2 - -rotor 3-lobe; AL 25; PTFE; black, conductive PTFE, conductive R92785 2 - -rotor 3-lobe; AL 50; PTFE; white PTFE R92793 - 2 -rotor 3-lobe; AL 50; PTFE; black, conductive PTFE, conductive R92795 - 2 -rotor 3-lobe; AL 75; PTFE; weiß PTFE R92803 - - 2rotor 3-lobe; AL 75; PTFE; black, conductive PTFE, conductive R92805 - - 2rotor 3-lobe; PTFE, auxiliary rotor PTFE R93231 - 2 4rotor 3-lobe; PTFE, front side PTFE R93231K 2 2 2O-Ring; 17 x 2,5 FEP/FPM (PTFE-Rotor) FEP/FPM O55900

10 cover liner plate 1.8714 B51015 1 1 1cover liner plate 1.4571 B51025 1 1 1

11 axial casing liner plate 1.7225 B51055 1 1 1axial casing liner plate 1.4571 B51065 1 1 1

13 stationary holding bush 1.7225 D55215 2 2 2stationary holding bush 1.4571 D55225 2 2 2

14 holding bush, with thread 1.7225 D55115 2 2 2holding bush, with thread 1.4571 D55125 2 2 2

15.1 mechanical seal; SISIC; O-rings; NBR SISIC/NBR D55005 2 2 2mechanical seal; SISIC; O-rings; EPDM SISIC/EPDM D55015 2 2 2mechanical seal; SISIC; O-rings; FPM SISIC/FPM D55025 2 2 2mechanical seal; SISIC; O-rings; FEP/FPM SISIC/FEP D55055 2 2 2mechanical seal; SSIC; O-rings; NBR SSIC/NBR D55035 2 2 2mechanical seal; SSIC; O-rings; EPDM SSIC/EPDM D55046 2 2 2mechanical seal; SSIC; O-rings; FPM SSIC/FPM D55056 2 2 2mechanical seal; SSIC; O-rings; FEP/FPM SSIC/FEP D55065 2 2 2

ERSA-AL-1-6-01-E-4Stand: 19.01.2005 1

Spare part list AL pumps quantityitem description material article-No. AL 25 AL 50 AL 7515.1 O-Ring, 38x4 NBR NBR D55351 4 4 4

O-Ring, 38x4 EPDM EPDM D55361 4 4 4O-Ring, 38x4 FPM FPM D55371 4 4 4O-Ring, 38x4 FEP/FPM FEP/FPM D55341 4 4 4

16 driving shaft, AL 25 1.7225 W51115 1 - -driving shaft, AL 50 1.7225 W51215 - 1 -driving shaft, AL 75 1.7225 W51315 - - 1driving shaft, AL 25 1.4571 W51116 1 - -driving shaft, AL 50 1.4571 W51216 - 1 -driving shaft, AL 75 1.4571 W51316 - - 1

17 short shaft, AL 25 1.7225 W51125 1 - -short shaft, AL 50 1.7225 W51225 - 1 -short shaft, AL 75 1.7225 W51325 - - 1short shaft, AL 25 1.4571 W51126 1 - -short shaft, AL 50 1.4571 W51226 - 1 -short shaft, AL 75 1.4571 W51326 - - 1

19 gear wheel, z=37, m=2, linear gear design 1.7225 E42305 2 2 220 distance bushing, 3-lobe; rotor/rotor 1.4571 D81100 2 2 224 cover disc 1.4571 C90015 2 2 225 gasket; AL 25 NBR F92015 2 - -

gasket; AL 25 EPDM F92025 2 - -gasket; AL 25 FPM F92035 2 - -gasket; AL 25 FEP/FPM F92047 2 - -gasket; AL 50 NBR F92115 - 2 -gasket; AL 50 EPDM F92125 - 2 -gasket; AL 50 FPM F92135 - 2 -gasket; AL 50 FEP/FPM F92147 - 2 -gasket; AL 75 NBR F92215 - - 2gasket; AL 75 EPDM F92225 - - 2gasket; AL 75 FPM F92235 - - 2gasket; AL 75 FEP/FPM F92247 - - 2

30 O-ring; casing 155 x 3 NBR NBR O55405 1 1 1O-ring; casing 155 x 3 EPDM EPDM O55415 1 1 1O-ring; casing 155 x 3 FPM FPM O55411 1 1 1O-ring; casing 155 x 3 FEP/FPM FEP/FPM O55435 1 1 1

31 O-ring; cover disk; 31 x 3 NBR NBR O55505 2/4 2/4 2/4O-ring; cover disk; 31 x 3 EPDM EPDM O55515 2/4 2/4 2/4O-ring; cover disk; 31 x 3 FPM FPM O55525 2/4 2/4 2/4O-ring; cover disk; 31 x 3 FEP/FPM FEP/FPM O55535 2/4 2/4 2/4

32 O-ring; holding bush; 34 x 2,5 NBR NBR O55605 2/4 2/4 2/4O-ring; holding bush; 34 x 2,5 EPDM EPDM O55615 2/4 2/4 2/4O-ring; holding bush; 34 x 2,5 FPM FPM O55625 2/4 2/4 2/4O-ring; holding bush; 34 x 2,5 FEP/FPM FEP/FPM O55635 2/4 2/4 2/4

33 O-ring; stationary holding bush; 55 x 3 NBR NBR O55705 2 2 2O-ring; stationary holding bush; 55 x 3 EPDM EPDM O55715 2 2 2O-ring; stationary holding bush; 55 x 3 FPM FPM O55725 2 2 2O-ring; stationary holding bush; 55 x 3 FEP/FPM FEP/FPM O55735 2 2 2

36 oil seal; drive shaft; 30 x 40 x 7 NBR NBR S26505 1 1 137 double-lip oil seal; 40 x 62 x 10 DUO NBR S26105 2 2 2

double-lip oil seal; 40 x 62 x 10 DUO FPM S26125 2 2 240 cylindrical rolling bearing NJ2206 S24605 2 2 241 spherical roller bearing 22207 S24505 2 2 242 sleeve; intermedate chamber; 35 x 40 x 17 1.3505 S26005 2 2 243 sleeve, drive shaft; 25 x 30 x 17 1.3505 S26705 1 1 1

ERSA-AL-1-6-01-E-4Stand: 19.01.2005 2

Spare part list AL pumps quantityitem description material article-No. AL 25 AL 50 AL 75

46 parallel key, driving shaft; A 8 x 7 x 45 DIN 6885 S24325 1 1 150 cover nut M 12 DIN 582 Z42205 4 4 452 socket head cap screw; M8 x 16 DIN 6912 Z48205 2 2 2

socket head cap screw; M8 x 16 DIN 6912 A4 Z4820653 screw stud; M12 x 35 DIN 939 Z42105 4 4 455 dowel pin; 12m6 x 24 DIN 7979 Z43505 4 4 456 socket head cap screw; M8 x 25 DIN 912 Z39411 8 12 1258 socket head cap screw; M12 x 140 DIN 912 Z49305 4 4 459 socket head cap screw; M10 x 25 DIN 6912 Z49405 8 8 863 parallel key, rotor; AL 25; 8 x 7 x 18,5 DIN 6885 Z49025 2 - -

parallel key, rotor; AL 50; 8 x 7 x 57,5 DIN 6885 Z49035 - 2 -parallel key, rotor; AL 75; 8 x 7 x 96,5 DIN 6885 Z49045 - - 2parallel key, rotor; AL 25; stainless steel; 8 x 7 x 25 DIN 6885 Z49026 2 - -parallel key, rotor; AL 50; stainless steel; 8 x 7 x 63 DIN 6885 Z49036 - 2 -parallel key, rotor; AL 75; stainless steel; 8 x 7 x 103 DIN 6885 Z49046 - - 2

64 socket head cap screw M12 x 25; 10.9 DIN 6912 Z49605 2 2 2socket head cap screw M12 x 25; VA DIN 6912 Z49705 2 2 2

65 oil sight glass, brass; R1" brass Z18508 1 1 166 oil drain plug; G3/8" DIN 908 Z29305 2 2 267 breather B 1/2" Z19108 1 1 169 stopper B 146 PE Z19508 1 1 170 sealing washer; A 33 x 39 x 2 Klegerit K22208 1 1 171 sealing washer, copper; A 17 x 23 Cu K32405 2 2 273 sealing washer, copper; A 21 x 26 Cu K22408 1 1 174 sealing washer, copper; A 12 x 18 Cu K32505 2 2 277 circlip 72 x 2,5 DIN 472 K33005 2 2 280 sealing compound (tube 50 ml) U22308 1 1 1

sealing compound (tube 250 ml) U22208 1 1 190 withdrawal tool for 3-lobe rotor-body 1.0037 U32935 1 1 191 withdrawal tool for 2-lobe rotor-body 1.0037 U32915 1 1 193 push in tool for mechanical seal 1.0037 U32945 1 1 195 special tool for holding bush 1.0037 U32965 1 1 196 parallel key, gear; A 10 x 8 x 28 DIN 6885 S24335 2 2 297 lifting eye bolt; M 12 DIN 580 Z39508 1 1 198 threaded pin DIN 914 Z41100 4 4 4

ERSA-AL-1-6-01-E-4Stand: 19.01.2005 3

CODE-Tabelle CODE-ALLG-1-06-00-D, Rev.: 4

Nr. Betreff Ausführung / Werkstoff Bemerkung Codenummer1 Pumpe AL 25 A 4

AL 50 B 4AL 75 C 4PL 100 D 4PL 200 E 4PL 300 F 4PL 400 G 4FL 518 H 4FL 776 I 4FL 1036 K 4FLA 518 S 4FLA 776 T 4FLA 1036 U 4FLA 1540 M 4FLA 2072 O 4FLA 3080 R 4CL 260 Q 5CL 390 V 5CL 520 W 5XL 1760 X 1XL 2650 Y 1XL 3530 Z 1

:2 Pumpengehäuse EN - GJL - 250 Standardgehäuse : A

EN - GJL - 250 Standardgehäuse nitriergehärtet : BEN - GJL - 600 -3 Gehäuse lasergehärtet : CEdelstahl 1.4517 Standard : DEdelstahl 1.4517 Plasmanitriert : EEN - GJL - 250 MIP XAR 400 MIP Standard : FEN - GJL - 250 MIP 1.4571 MIP mit Edelstahl - Schalen : GEN - GJL - 250 MIP 1.4571 MIP mit kompl. Edelstahl - Auskleidung : HEdelstahl 1.4517 MIP mit Edelstahl - Schalen : ISonderausführung Ausführung gemäß Auftrag : X

: :3 Kolbenform 2 - flügelig (AL / PL / FL) : : A

3 - flügelig (AL / PL) : : B2 - flügelig, nachstellbar (PL) : : C3 - flügeliger Schraubenrotor (PL) : : D3 - flügelige lineare Dichtleisten (FL) : : E3 - flügelige linerae Dichtleisten, Grundkern aus Edelstahl (FL) : : F3 - flügelige gewendelte Dichtleisten (FL/CL) : : G3 - flügelige gewendelte Dichtleisten, Grundkern aus Edelstahl (FL / CL) : : H2 - flügelige gewendelte Rotoren (Optimum) : : I

: : :4 Kolbenmaterial, bzw. NR-SBR : : : A

Material der Kolbengummierung NBR : : : CEPDM : : : DFPM : : : IPUR : : : PEdelstahl 1.4571 : : : EPTFE : : : THypalon, CSM : : : H

: : : :5 O - Ring - Material NBR : : : : C

EPDM : : : : DFPM : : : : IPTFE : : : : T

: : : : :6 Wellendichtringmaterial Getriebe NBR : : : : : C

Viton : : : : : ISonderdichtung Ausführung gemäß Auftrag : : : : : X

: : : : : :7 Rechteck - Flachdichtung am NBR : : : : : : C

Anschlussflansch EPDM : : : : : : DFPM : : : : : : IPTFE : : : : : : TSondermaterial Ausführung gemäß Auftrag : : : : : : X

: : : : : : :8 Ausführung der Wellenabdichtung Gleitringdichtung: Dichtringe Hartguss O - Ringe: NBR : : : : : : : A

Gleitringdichtung: Dichtringe Hartguss O - Ringe: EPDM : : : : : : : BGleitringdichtung: Dichtringe Hartguss O - Ringe: FPM : : : : : : : CGleitringdichtung: Dichtringe Hartguss O - Ringe: PTFE : : : : : : : DGleitringdichtung: Dichtringe Sic / Sic O - Ringe: NBR : : : : : : : EGleitringdichtung: Dichtringe Sic / Sic O - Ringe: EPDM : : : : : : : FGleitringdichtung: Dichtringe Sic / Sic O - Ringe: FPM : : : : : : : GGleitringdichtung: Dichtringe Sic / Sic O - Ringe: PTFE : : : : : : : HStopfbuchsenpackung : : : : : : : IStopfbuchsenpackung + Spülanschluß : : : : : : : JMULTI-SEAL K Drei PTFE-RWD : : : : : : : KMULTI-SEAL L Sieben PTFE/NBR-RWD : : : : : : : LSonderdichtung Ausführung gemäß Auftrag : : : : : : : X

: : : : : : : :9 Wellenausführung und Lage 1x zyl. Antriebswelle; oben : : : : : : : : A

1x zyl. Antriebswelle; unten : : : : : : : : B2x zyl. Antriebswelle : : : : : : : : C2x Antriebswelle SAE - Profil 1 3/8" : : : : : : : : D1x Antriebswelle SAE - Profil 1 3/8"; oben : : : : : : : : E1x Antriebswelle SAE - Profil 1 3/8"; unten : : : : : : : : F2x Antriebswelle SAE - Profil 1 3/4" (FL1036) : : : : : : : : G1x Antriebswelle SAE - Profil 1 3/4" (FL1036); oben : : : : : : : : H1x Antriebswelle SAE - Profil 1 3/4" (FL1036); unten : : : : : : : : I

: : : : : : : : :10 Versionsnummer : : : : : : : : :

Codenummer:

11 Optionale Sonderausführungen Liegende Bauform Pumpe um 90° zur Seite gedreht L(bei Bedarf als Zusatz zur Code - Nr.) Senkrechte Bauform Pumpe wird hängend eingebaut H

Dichtkontrolle Dichtungssonde in der Zwischenkammer DTemperaturüberwachung Temperaturfühler im Pumpengehäuse ZSpezielle Sonderausstattung Ausführung gemäß Auftrag X

erstellt: Abel, 31.01.01gültig ab: 09.12.2004 Datei: CODE-ALLG-1-06-00-D-4

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