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hd20fnmdl1sm-rev0717

sandpiperpump

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com

12

 • Model HD20F Non-Metallic 

Parts underlined are only available for sale in kits

Item 

Part Number 

Description 

Qty 

1         ** 031-140-000 

Air Valve Assembly (Integral Muffler) 

1

 

031-141-000 

Air Valve Assembly (No Muffler) 

1

095-110-558 

Pilot Valve Assembly 

1

114-024-551 

Intermediate Assembly 

1

115-174-115 

Bracket, Foot 

2

115-177-115 

Bracket, Hanging 

2

6  132-035-360 Bumper 

2

135-034-506 

Bushing, Plunger 

2

165-118-551 

Cap, Air Inlet 

1

165-148-551 

Cap, Clean Out 

2

10 

170-018-115 

Capscrew, Hex-Hd, 3/8-16 x 1 1/4 

4

11 

170-069-115 

Capscrew, Hex-Hd, 5/16-18 x 1 3/4 

4

12 

170-129-115 

Capscew, Hex-Hd, 3/8-16 x 2 3/4 

8

13 

170-130-115 

Capscrew, Hex-Hd, 3/8-16 x 3 

24

14 

171-015-115 

Capscrew, Flat-Hd, 3/8-16 x 7/8 

8

15 

171-053-115 

Capscrew, Socket-Hd, 3/8-16 x 2 1/2 

4

16 

171.102.110  

CAPSCREW, Socket Hd, 5/16 -18 x .63  16

17 

196-217-551 

Chamber, Inner 

2

18 

196-218-552 

Chamber, Outer 

2

19 

286-007-360 

Diaphragm, Buna-N 

2

 

286-007-363 

Diaphragm, Fluorocarbon FKM 

2

 

286-007-364 

Diaphragm, EPDM 

2

 

286-007-365 

Diaphragm, Neoprene 

2

 

286-007-354 

Diaphragm, Santoprene 

2

 

286-007-356 

Diaphragm, Hytrel 

2

20 

338-005-360 

Flap Valve, Buna-N 

4

 

338-005-363 

Flap Valve, Fluorocarbon FKM 

4

 

338-005-364 

Flap Valve, EPDM 

4

 

338-005-365 

Flap Valve, Neoprene 

4

 

338-010-356 

Flap Valve, Hytrel 

4

 

338-010-357 

Flap Valve, Urethane 

4

21 

360-093-360 

Gasket, Main Air Valve 

1

22 

360-103-360 

Gasket, Pilot Valve 

1

23 

360-104-360 

Gasket, Air Inlet Cap 

1

24 

360-105-360 

Gasket, Inner Chamber 

2

25 405-013-551 Handle 

2

26 518-222-552 Manifold 

2

27 

535-098-000 

Plate, Name 

2

28 

545-005-115 

Nut, Hex 

24

29 

547-002-110 

Nut, Stop 

8

30 560-001-360 O-ring 

2

31 

560-213-360 

O-ring, Buna-N 

2

 

560-213-363 

O-ring, Fluorocarbon FKM 

2

 

560-213-364 

O-ring, EPDM 

2

 

560-213-365 

O-ring, Neoprene 

2

32 

570-001-360 

Hinge Pad, Buna-N 

4

 

570-001-363 

Hinge Pad, Fluorocarbon FKM 

4

 

570-001-364 

Hinge Pad, EPDM 

4

 

570-001-365 

Hinge Pad, Neoprene 

4

33 

570-009-360 

Pad, Wear, Buna-N 

2

 

570-009-363 

Pad, Wear, Fluorocarbon FKM 

2

 

570-009-364 

Pad, Wear, EPDM 

2

 

570-009-365 

Pad, Wear, Neoprene 

2

34 

612-195-157 

Plate, Inner Diaphragm 

2

35 

612-225-552 

Plate, Outer Diaphragm (with stud) 

2

36 

620-007-114 

Pin, Plunger 

2

37 

670-005-110 

Retainer, Flap Valve 

4

 

38 

675-042-115

 

Ring, Retaining 

2

39 

675-073-360 

Ring Sealing, Buna-N 

4

 

675-073-363     

Ring Sealing, Fluorocarbon FKM 

4

 

675-073-364     

Ring Sealing, EPDM 

4

 

675-073-365     

Ring Sealing, Neoprene 

4

Item 

Part Number 

Description 

Qty 

Composite Repair Parts List

LEGEND:

    = Items contained within Air End Kits

    = Items contianed within Wet End Kits

Note:

 Kits contain components specific to the material codes.

**Air End Kit does not include entire air valves assembly. It includes 

replacement sleeve and spool set, plus o-rings.

40 

685-059-120 

Rod, Diaphragm 

1

41 

710-021-115 

Screw, Pan Head 

4

42 

720-004-360 

Seal, U-cup 

2

43 

720-076-360 

Seal, Clean Out Cap, Buna-N 

2

 720-076-363 

Seal, Clean Out Cap, Fluorocarbon FKM 2

 

720-076-364 

Seal, Clean Out Cap, EPDM 

2

 

720-076-365 

Seal, Clean Out Cap, Neoprene 

2

44 

720-077-360 

Seal, Seat, Buna-N 

2

 

720-077-363 

Seal, Seat, Fluorocarbon FKM 

2

 

720-077-364 

Seal, Seat, EPDM 

2

 

720-077-365 

Seal, Seat, Neoprene 

2

45 

722-129-110 

Seat, Check Valve (includes studs) 

4

46  807-018-110 Stud 

8

47 

900-004-110 

Washer, Lock 5/16 

16

48 

901-038-115 

Washer, Flat 5/16 

4

49 

901-048-115 

Washer, Flat 3/8 

4

50 

901-052-115 

Washer, Flat 3/8 

48

3: EXP

 VIEW

Summary of Contents for Sandpiper HD20F

Page 1: ...e 419 524 8388 Fax 419 522 7867 SANDPIPERPUMP COM Copyright 2017 Warren Rupp Inc All rights reserved Certified Quality ISO 9001 Certified ISO 14001 Certified SERVICE OPERATING MANUAL Original Instruct...

Page 2: ...etallic pumps and plastic components are not UV stabilized Ultraviolet radiation can damage these parts and negatively affect material properties Do not expose to UV light for extended periods of time...

Page 3: ...roubleshooting Guide SECTION 3 EXPLODED VIEW 11 Composite Repair Parts Drawing Composite Repair Parts List Material Codes SECTION 4 AIR END 17 Air Distribution Valve Assembly Air Valve with Stroke Ind...

Page 4: ...ss Filled Polypropylene Diaphragm Check Valve Materials B Buna N Buna N E EPDM EPDM H Hytrel Hytrel J Santoprene EPDM N Neoprene Neoprene P Neoprene Urethane V FKM FKM Check Valve Seat S Stainless Non...

Page 5: ...ibits outstanding abrasion and impact resistance along with environmental stress cracking resistance 180 F 82 C 35 F 37 C Urethane Shows good resistance to abrasives Has poor resistance to most solven...

Page 6: ...e is at a higher level than the pump flooded suction condition pipe the exhaust higher than the product source to prevent siphoning spills In the event of a diaphragm failure a complete rebuild of the...

Page 7: ...condition pipe the exhaust higher than the product source to prevent siphoning spills In the event of a diaphragm failure a complete rebuild of the center section is recommended 22 36 568 4X 57 15 3 5...

Page 8: ...y the check valves ball or flap orientation The pump primes as a result of the suction stroke The suction stroke lowers the chamber pressure P3 increasing the chamber volume This results in a pressure...

Page 9: ...g or freezing of the exhaust air causing the pump to cycle erratically or stop operating Water in the air supply can be reduced by using a point of use air dryer Air Inlet and Priming To start the pum...

Page 10: ...xceeds air supply pressure Increase the inlet air pressure to the pump Pump is designed for 1 1 pressure ratio at zero flow Does not apply to high pressure 2 1 units Cavitation on suction side Check s...

Page 11: ...38 45 46 20 32 37 29 Torque 120 in lbs 13 N m Torque 120 in lbs 13 N m Torque 150 in lbs 16 9 N m Torque 480 in lbs 54 N m Torque 150 in lbs 16 9 N m Torque 220 in lbs 24 N m Torque 220 in lbs 24 N m...

Page 12: ...28 545 005 115 Nut Hex 24 29 547 002 110 Nut Stop 8 30 560 001 360 O ring 2 31 560 213 360 O ring Buna N 2 560 213 363 O ring Fluorocarbon FKM 2 560 213 364 O ring EPDM 2 560 213 365 O ring Neoprene 2...

Page 13: ...Metallic 13 20 36 5 19 26 51 14 51 10 44 17 48 45 32 35 6 40 11 49 24 2 12 4 14 51 22 1 50 16 25 43 9 41 15 51 29 51 29 18 40 42 28 8 23 OPTIONAL 90 ROTATION 26 34 12 13 27 27 40 3 4 37 31 7 39 46 47...

Page 14: ...00 Plate Name 2 29 545 005 115 Nut Hex 24 30 547 002 110 Nut Stop 8 31 560 001 360 O ring 2 32 560 213 360 O ring Buna N 2 560 213 363 O ring Fluorocarbon FKM 2 560 213 364 O ring EPDM 2 560 213 365 O...

Page 15: ...Pads Seals Wear Pads and Seals 476 355 360 Check Valve Module Kit For Model HD20F1PBSPNS000 HD20F1PBSPBS000 Seat Buna N Flap Hinge Pad Retainer assembled 476 355 363 Check Valve Module Kit For Model H...

Page 16: ...UE 365 Neoprene Rubber Color coded GREEN 366 Food Grade Nitrile 368 Food Grade EPDM 371 Philthane Tuftane 374 Carboxylated Nitrile 375 Fluorinated Nitrile 378 High Density Polypropylene 379 Conductive...

Page 17: ...mbly Parts List Brass Stainless Item Part Number Description Qty 1 031 140 162 Air Valve Assembly 1 1 A 031 139 162 Sleeve and Spool Set 1 1 B 095 119 551 Body Air Valve 1 1 C 165 140 551 End Cap 2 1...

Page 18: ...550 Muffler 1 1 L 710 015 115 Screws Self tapping 4 For pumps with piped exhaust 1 031 147 000 Air Valve Assembly 1 includes all items on 031 146 000 minus 1 J 1 K 1 L Air Distribution Valve Servicin...

Page 19: ...rom sleeve 2 B inspect O Rings 2E replace if required Step 4 Lightly lubricate O Rings 2 C and 2 E Reassemble in reverse order Pilot Valve Assembly Parts List Item Part Number Description Qty 2 095 11...

Page 20: ...scard Step 3 Remove bushing plunger 7 inspect for wear and replace if necessary with genuine parts Step 4 Remove O ring 30 inspect for wear and replace if necessary with genuine parts Step 5 Lightly l...

Page 21: ...hd20fnmdl1sm rev0717 sandpiperpump com Model HD20F Non Metallic 21 Torque 480 in lbs 13 Diaphragm Service Drawing Non Overlay 5 WET END...

Page 22: ...ded No lubrication is required Step 4 Push the threaded outer diaphragm plate through the center hole of the diaphragm Note Most diaphragms are installed with the natural bulge out towards the fluid s...

Page 23: ...N809 2012 Pumps and Pump Units for Liquids Common Safety Requirements to verify conformance 5 YEAR Limited Product Warranty Warren Rupp Inc Warren Rupp warrants to the original end use purchaser that...

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