INTERNAL GEAR - JDA Global LLC€¦ · Internal gear pumps feature inter-meshing gear and idler...

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TOUGH SIMPLE COST EFFECTIVE GEAR PUMPS TOUGH INTERNAL GEAR EXTERNAL GEAR SIMPLE COST EFFECTIVE

Transcript of INTERNAL GEAR - JDA Global LLC€¦ · Internal gear pumps feature inter-meshing gear and idler...

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TOUGH

SIMPLE

COST EFFECTIVE

GEARPUMPS

TOUGHINTERNAL

GEAR

EXTERNALGEAR

SIMPLE

COST EFFECTIVE

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NOMAD GEAR PUMPSCalifornia-based JDA GLOBAL LLC, the world’s largest provider of after-market diaphragm pump products, in conjunction with the world’s largest after-market gear pump manufacturing contractor, is proud to offer NOMAD GEAR PUMPS, featuring a proven positive displacement designs offered by the World’s Leading Brands. All NOMAD Gear Pumps, including internal and external gear configurations, are retrofitted and interchangable with the respective market. The NOMAD GEAR PUMP product features cast housings in 7 connection port sizes, available with packing or mechanical seals. Furthermore, JDA GLOBAL’s procurement hubs in India, China and Mexico ensure low cost, high quality products.

INTERNAL GEAR (Viking® Style)Internal gear pumps feature inter-meshing gear and idler design to handle high viscosity liquids. They are equipped with casings that can be positioned to meet common piping configurations, while featuring only two mobile parts for ease of maintenance.

HOW IT WORKSLiquid enters the suction port between the rotor and idler teeth. Liquid travels through the pump between the teeth of the “gear-within-a-gear” principle. The crescent shape divides the liquid and acts as a seal between the suction and discharge ports. The pump head is now nearly flooded, just prior to forcing the liquid out of the discharge port. Inter-meshing gears of the idler and rotor form locked pockets for the liquid which assures volume control. Rotor and idler teeth mesh completely to form a seal equal distant from the discharge and suction ports. This seal forces the liquid out of the discharge port.

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NG-24 SERIES

FEATURES1. The stuffing box on all sizes accepts packing, component single mechanical seals,

or cartridge seals without modifications.

2. Bearing housing provides easy rotor end clearance adjustment to compensate for viscosity or wear.

3. One-piece Bracket minimizes deflection on shaft.

4. Positive Displacement, Internal Gear pumping principle.

5. Low maintenance cost.

6. Main applications: These pumps are built to continuous or intermittent duty for such applications as circulating, transferring, or service in general industrial, petroleum uses.

The threaded bearing housing, with its large diameter allows for cartridge mechanical seal installation (except on NG-AK and NG-AL models).

The stuffing box accepts packing, numerous component mechanical seals, or a wide variety of cartridge seals (except on NG-AK and NG-AL models)

The casing can be rotated in 45° increments permitting eight different port positions.

Internal relief valve standard to protect the pump.Rotor end clearance can be

adjusted to compensate for wear or for higher temperatures or viscosities by rotating the threaded bearing housing.

One-piece cast bracket provides rigid foundation to maximize seal and bearing life.

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GENERAL EXPLODED VIEW NG-24 Series

MATERIALS OF CONSTRUCTIONNG-24 Series

ITEM DESCRIPTION1 Locknut2 Lockwasher3 End Cap for Bearing Housing4 Bearing Spacer Collar (Outer)5 Lip Seal6 Ball Bearing7 Bearing Housing8 Bearing Spacer Collar (Inner)11 Ring Half Round12 Grease Fitting19 Mechanical Seal 25 Bracket Bushing27 Bracket28 Capscrew for Bracket29 Bracket Gasket30 Pipe Plug31 Casing 35 Head Gasket36 Rotor and Shaft37 Idler 38 Idler Bushing39 Idler Pin40 Head43 Capscrew for plain or valve type

Head46 Capscrew for valve45 Relief valve Gasket47 Relief valve

Bracket Casing Head Rotor (**) Idler (**)Idler Pin/ Rotor

Shaft

Cast Iron Cast Iron Cast Iron Cast Iron Cast Iron Carbon Steel

Bushings Packing Mechanical Seal Relief Valve

Bronze / Carbon Graphite

Teflon GraphiteBuna / Viton

(optional)Iron

(**) Depends on operating conditions material can be changed to carbon steel.

 

 

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GENERAL OPERATING DATANG-24 SeriesBased on 750 SSU and S.G. 1.0

NG-H NG-HL

Port Size (in) 1 ½ 1 ½

Flow (GPM) 17 32

Discharge Pressure (PSI) 200 200

Speed (RPM) 1750 1750

NG-K NG-KK NG-L / NG-LQ NG-LL

Port Size (in) 2 2 2 ½ 3

Flow (GPM) 79 105 146 149

Discharge Pressure (PSI) 200 200 200 200

Speed (RPM) 780 780 640 520

NG-LS NG-Q NG-QS

Port Size (in) 3 4 6

Flow (GPM) 209 / 137 300 / 200 470 / 315

Discharge Pressure (PSI) 150 / 200 150 / 200 150 / 200

Speed (RPM) 640 / 420 520 / 350 520 / 350

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DIMENSIONSNG-24 SERIES

Model A B C D E (DIA) E (keyway) F G

NG-H 13.25 2.85 1.62 1.19 0.75 0.19 x 0.09 2.25 3.5

NG-HL 13.25 2.85 1.62 1.19 0.75 0.19 x 0.09 2.25 3.5

NG-K 18.12 5.25 2.25 1.75 1.125 0.25 x 0.12 2.75 4.0

NG-KK 18.12 5.25 2.25 1.75 1.125 0.25 x 0.12 2.75 4.0

NG-L 19.62 5.43 2.25 1.75 1.125 0.25 x 0.12 4.0 5.38

Model H I J K L M N O

NG-H 0.62 3.38 3.0 3.5 0.47 2.75 0.62 6.75

NG-HL 0.62 3.38 3.0 3.5 0.47 2.75 0.62 6.75

NG-K 0.62 3.0 5.12 5.5 0.53 4.0 0.62 9.25

NG-KK 0.62 3.0 5.12 5.5 0.53 4.0 0.62 9.25

NG-L 0.62 3.38 6.5 7.0 0.53 4.38 0.62 10.0

Dimensions in inches

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Model A B C D E (DIA) E (keyway) F G

NG-LQ 19.62 5.43 2.25 1.75 1.125 0.25 x 0.12 4.0 5.38

NG-LL 20.12 5.43 2.25 2.25 1.125 0.25 x 0.12 4.0 5.38

NG-NG-LS 21.69 5.43 3.5 2.44 1.44 0.38 x 0.19 4.0 5.38

NG-Q 26.75 8.25 4.5 3.0 1.94 0.50 x 0.25 4.0 6.0

Model H I J K L M N O

NG-LQ 0.62 3.38 7.19 7.0 0.53 4.38 0.62 10.0

NG-LL 0.62 3.38 7.19 7.0 0.53 4.38 0.62 10.0

NG-LS 0.62 4.75 7.19 7.0 0.53 4.38 0.62 10.0

NG-Q 1.0 6.62 8.25 8.75 0.69 4.12 0.75 10.0

Dimensions in inches

Model A B C D E F G H I J

NG-QS 11.13 6.00 7.12 4.00 1.00 1.93 4.50 19.75 4.00 28.25

Model K L M N O P Q R S

NG-QS 8.25 10.00 4.12 0.80 8.75 3.00 9.00 11.00 1.0

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NG-95 Series

FEATURES1. All sizes of NG-4195 pumps are furnished with single mechanical seal.

2. The smaller size pumps (NG-GG4195, NG-HL4195 and NG-HJ4195) can be directly connect-ed to either 1800 or 1200 RPM motors. The rest of the sizes can be directly connected to 1200 RPM motors.

3. Main applications: These pumps are built to continuous or intermittent duty for such applications as circulating, transferring, or service in general industrial, petroleum uses.

Rotor end clearance can be adjusted to compensate for wear or for higher temperatures or viscosities by rotating the threaded bearing housing.

One-piece cast bracket provides rigid foundation to maximize seal and bearing life.Internal relief valve standard to

protect the pump.

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GENERAL EXPLODED VIEW NG-95 SERIES

MATERIALS OF CONSTRUCTIONNG-4195 SERIES

ITEM DESCRIPTION1 Locknut2 Snap Ring, Outer3 Ball Bearing, Outer4 Bearing Housing with Setscrews5 Snap Ring, Inner6 Ball Bearing, Inner7 Casing8 Pipe Plug9 Mechanical Seal10 Rotor and Shaft 11 Idler Bushing12 Idler and Bushing13 O-Ring Gasket for Head14 Idler Pin, Plain15 Head and plain Idler Pin16 Cap screw for Plain head17 Relief Valve Gasket18 Internal Relief Valve19 Cap screw for Valve

Casing Head Rotor (**) Idler (**)Idler Pin/

Rotor Shaft

BushingsMechanical

SealRelief Valve

Cast Iron

Cast Iron

CastIron

Cast Iron

Carbon Steel

Carbon Graphite

Buna / Viton (optional)

Iron

(**) Depends on operating conditions material can be changed to carbon steel.

 

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GENERAL OPERATING DATANG-95 SERIESBased on 100 SSU and S.G. 1.0

NG-GG4195 NG-HJ4195 NG-HL4195

Port Size (in) 1 1 ½ 1 ½

Flow (GPM) 10 20 30

Pressure (PSI) 100 100 100

Speed (RPM) 1800 1800 1800

NG-AS4195 NG-AK4195 NG-AL4195

Port Size (in) 2 ½ 2 ½ 3

Flow (GPM) 35 50 75

Pressure (PSI) 100 100 100

Speed (RPM) 1200 1200 1200

Model A B D E F G H J K L

NG-GG4195 1 2.75 2.75 1.62 1.31 4.0 2.44 0.34 0.94 0.03

NG-HJ4195 1 ½ 3.75 4.12 1.75 2.0 5.0 3.5 0.41 1.5 1.25

NG-HL4195 1 ½ 3.75 4.12 1.75 2.0 5.0 3.5 0.41 1.5 1.25

Model M N O P S T U V W X

NG-GG4195 0.66 1.21 0.31 0.62 7.31 1.12 0.5 FLAT 2.66 0.38

NG-HJ4195 0.88 1.5 0.44 0.62 10.0 1.62 0.75 0.19 x 0.09 3.28 0.75

NG-HL4195 0.88 1.5 0.44 0.62 10.0 1.62 0.75 0.19 x 0.09 3.28 0.75

Dimensions in inches

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Model A B D E F G H J K L M

NG-AS4195 2 ½ 5.0 5.25 2.88 2.0 6.75 4.0 0.41 2.25 1.25 1.0

NG-AK4195 2 ½ 5.0 5.25 2.88 2.0 6.75 4.0 0.41 2.25 1.25 1.0

NG-AL4195 3 5.0 5.25 2.88 2.0 6.75 4.0 0.41 2.25 1.75 1.0

Model N O P S T U V W X Y Z

NG-AS4195 2.0 0.44 1.12 12.12 2.5 1.0 0.25 x 0.12 7.0 0.5 1.0 1.72

NG-AK4195 2.0 0.44 1.12 12.12 2.5 1.0 0.25 x 0.12 7.0 0.5 1.0 1.72

NG-AL4195 2.5 0.44 1.12 12.12 2.5 1.0 0.25 x 0.12 7.0 0.5 1.0 1.72

Dimensions in inches

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HOW IT WORKS The point of engagement moves along the length of the gear teeth as the gears rotate. The overlapping of successive discharges from spaces between the teeth makes the discharge flow smooth. This makes helical gear pump operate with a steady discharge and few pulsations.

EXTERNAL HELICAL GEAR (ROPER® STYLE)

PUMP COMPONENTS

PLATESInterchangeable plates between 4H, 8H and 12H models. They have alignment bushings (dowel pins).

PACKED BOXIt is suitable for packing or mechanical seal depending on thea pplication.

BUSHINGSThe standard pump is available with bronze bushings. They give positive support to pumping gears and ensure long, efficient service

GEARSGears are accurately machined for efficient operation; long life and it insure proper meshing for efficient liquid displacement.

BEARINGBall bearing with a fastening sleeve for greater support when coupling on truck.

SHAFTSCarbon Steel shafts are accurately machined for having more precision assembly. BASE

Casing and base belong to a one only piece for giving more support.

RELIEF VALVERelief valve set at 7 Kg/cm2 for system protection. It can be regulated according system necessities.

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FEATURES1. Handles viscous materials such as asphalt, oils, ink, etc.

2. Top-over-bottom drive gear & idler gear work together for smooth, quiet liquid transfer.

3. Packing or mechanical seals available, with carbon graphite or bronze bushing.

4. Direct driven or driven through a built-in gear reduction with a wide rand of ratios.

MATERIALS OF CONSTRUCTIONNHG SERIES

GENERAL OPERATING DATA

Casing Gears Shafts Plates Packing

Cast Iron Cast Iron Steel 1045 Cast Iron Teflon w/graphite

FLUID: Oil SAE-30, Viscosity: 500 SSU, Temperature:36ºCMODEL 3611/3711 3617/3717MATERIAL Cast Iron Cast Iron

PORT SIZE

SUCTION 2”NPT 2”NPTDISCHARGE 2”NPT 2”NPT

RPM 700 700Lt/min 269.6 258.3 236.5 222.3 405.0 389.9 353.9 334.0GPM 71.25 68.25 62.50 58.75 107.0 102.75 93.5 88.25Kg/cm2 1.8 3.5 7.0 8.8 1.8 3.5 7.0 8.8Lb/in2 25.0 50.0 100.0 125.0 25.0 50.0 100.0 125.0HP 3.3 4.5 6.7 7.7 4.5 6.2 9.7 11.9

FLUID: Oil SAE-30, Viscosity: 500 SSU, Temperature:36ºCMODEL 3622/3722 3648/3748MATERIAL Cast Iron Cast Iron

PORT SIZE

SUCTION 3”Flange 4”FlangeDISCHARGE 3” Flange 4”Flange

RPM 700 600Lt/min 550.1 529.9 493.3 476.9 1135.0 1035.0 939.0 840.0 780.0GPM 145.35 140.0 130.3 126.0 229.8 273.4 248.0 221.9 206.0Kg/cm2 1.8 3.5 7.0 8.8 1.8 3.5 5.3 7.0 8.0Lb/in2 25.0 50.0 100.0 125.0 25.0 50.0 75.0 100.0 114.0HP 6.4 8.1 12.5 15.4 16.0 21.5 27.0 32.0 35.0

Bushings Mechanical Seal Relief Valve

Bronze Cast Iron

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1 CASING

2 DRIVE GEAR

3 IDLER GEAR

4 DRIVE SHAFT

5 IDLER SHAFT

6 HALF ROUND CAP

7 SHORT BUSHING

8 LONG BUSHING

9 BAL BEARING

10 FACE PLATE ASSY, R.V.

11 BACK PLATE

12 PLUG CAP R.V.

13 POPPET

15 CASING GASKET

16 RELIEF VALVE GASKET

18 SPRING GUIDE

19 PACKING GLAND

20 PACKING

21 SEAL GLAND

22 MECHANICAL SEAL

23 SPRING

24 DEFLECTOR

25 DOWEL PIN

26 NUT

27 HEAD CAPSCREW

28 CAPSCREW DOWEL PIN

29 ADJUSTING SCREW

30 PACKING GLAND SCREW

32 BEARING RETAINING RING

33 MECHANICAL SEAL RETAINING RING

34 CLIP, SPRING

35 PACKING GLAND CLIP

36 NUT, LOCK AND SEAL

37 PACKING GLAND NUT

38 PIPE PLUG

39 LUBE FITTING

40 KEY, GEAR

41 DRIVE KEY

42 PACKING RETAINER

43 MECHANICAL SEAL HOLDER

44 MECHANICAL SEAL GLAND SCREW

45 O’RING MECHANICAL SEAL

NOMAD HELICAL GEARNGH 2” x 2” (11 Series) Cast Iron Construction

PARTS

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1 CASING

2 DRIVE GEAR

3 IDLER GEAR

4 DRIVE SHAFT

5 IDLER SHAFT

6 HALF ROUND CAP

7 SHORT BUSHING

8 LONG BUSHING

9 BAL BEARING

10 FACE PLATE ASSY, R.V.

11 BACK PLATE

12 PLUG CAP R.V.

13 POPPET

15 CASING GASKET

16 RELIEF VALVE GASKET

18 SPRING GUIDE

19 PACKING GLAND

20 PACKING

21 MECHANICAL SEAL GLAND

22 MECHANICAL SEAL

23 SPRING

24 DEFLECTOR

25 DOWEL PIN

26 NUT

27 HEAD CAPSCREW

28 CAPSCREW DOWEL PIN

29 ADJUSTING SCREW

30 PACKING GLAND SCREW

32 BEARING RETAINING RING

33 MECHANICAL SEAL RETAINING RING

34 CLIP, SPRING

35 PACKING GLAND CLIP

36 NUT, LOCK AND SEAL

37 PACKING GLAND NUT

38 PIPE PLUG

39 LUBE FITTING

40 KEY, GEAR

41 DRIVE KEY

42 PACKING RETAINER

43 MECHANICAL SEAL HOLDER

44 MECHANICAL SEAL GLAND SCREW

45 O’RING MECHANICAL SEAL

NOMAD HELICAL GEARNGH 2” x 2” (17 Series) Cast Iron Construction

PARTS

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1 CASING

2 DRIVE GEAR

3 IDLER GEAR

4 DRIVE SHAFT

5 IDLER SHAFT

6 HALF ROUND CAP

7 SHORT BUSHING

8 LONG BUSHING

9 BALL BEARING

10 FACE PLATE ASSY R.V.

11 BACK PLATE

12 PLUG CAP R.V.

13 POPPET

14 FLANGE

15 CASING GASKET

16 RELIEF VALVE GASKET

17 FLANGE GASKET

18 SPRING GUIDE

19 PACKING GLAND

20 PACKING

21 MECHANICAL SEAL GLAND

22 MECHANICAL SEAL

23 SPRING

24 DEFLECTOR

25 DOWEL PIN

26 NUT

27 HEAD CAPSCREW

28 CAPSCREW DOWEL PIN

29 ADJUSTING SCREW

30 PACKING GLAND SCREW

31 FLANGE SCREW

32 BEARING RETAINING RING

33 MECHANICAL SEAL RETAINING RING

34 CLIP, SPRING

35 PACKING GLAND CLIP

36 NUT, LOCK AND SEAL

37 PACKING GLAND NUT

38 PIPE PLUG

39 LUBE FITTING

40 KEY, GEAR

41 DRIVE KEY

42 PACKING RETAINER

43 MECHANICAL SEAL HOLDER

44 MECHANICAL SEAL GLAND SCREW

45 O’RING MECHANICAL SEAL

NOMAD HELICAL GEARNGH 3” x 3” (22 Series) Cast Iron Construction

PARTS

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1 PLATE SCREW

2 BEARING RETAINING RING

3 BALL BEARING

4 DRIVE KEY

5 PACKING GLAND NUT

6 BACK PLATE

7 FACE PLATE ASSEMBLY RV.

8 CASING

9 CASING GASKET

10 PLUG CAP R.V.

11 LUBE FITTING

12 CLIP, SPRING

13 PACKING

14 MECHANICAL SEAL RETAINING RING

15 ADJUSTING SCREW

16 MECHANICAL SEAL

17 FLANGE

18 FLANGE GASKET

19 PACKING GLAND

20 PACKING GLAND SCREW

21 PACKING GLAND CLIP

22 DRIVE SHAFT

23 DOWEL PIN

24 IDLER GEAR

25 DRIVE GEAR

26 IDLER SHAFT

27 POPPET

28 HIGH PRESS SPRING

29 SPRING

30 SPRING GUIDE

31 RELIEF VALVE GASKET

32 SHORT BUSHING

33 NUT, LOCK AND SEAL

34 LONG BUSHING

35 FLANGE CAPSCREW

36 PIPE PLUG

37 MECHANICAL SEAL GLAND

38 MECHANICAL SEAL GLAND SCREW

39 NUT

40 DEFLECTOR

41 PACKING RETAINING RING

42 O’RING MECHANICAL SEAL

NOMAD HELICAL GEARNGH 4” x 4” (48 Series) Cast Iron Construction

PARTS

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DIMENSIONS

Model A B C D E F G H I J K L M N O P2”x2”

(11 Series)3.00 7.50 21.25 6.44 1.75 3.00 5.00 10.75 4.00 3.64 5.50 7.25 0.78 0.56 3.75 1.00

2”x2” (17 Series)

4.50 8.25 22.75 6.44 1.75 4.00 5.00 10.85 4.00 3.64 5.50 7.25 0.78 0.56 3.75 1.00

Model A B C D E F G H I J K L M N O P

3”x3” (22 Series)

6.00 9.00 24.25 6.44 1.75 4.00 5.00 12.12 4.25 6.50 5.50 7.25 0.78 0.56 3.75 1.00

Q R S

4.38 3.38 1.12

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Model A B C D E F G H I J K L M N O P4”x4”

(48 Series)7.50 10.50 27.81 6.44 6.00 1.94 3.18 10.75 4.00 3.64 5.50 7.25 0.78 0.56 3.75 1.00

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1351 Park Ave., Suite 104Redlands, CA USA 92373(909) 798-9532

A JDA Global Company