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Page 1 of 2 © Empire Pumps Ltd 2016
www.empirepumps.com
Air Operated Diaphragm Pumps
1/2” Metallic Parts List
Page 2 of 2 © Empire Pumps Ltd 2016
www.empirepumps.com
Air Operated Diaphragm Pumps
1/2” Metallic Parts List
Air Operated Diaphragm Pumps - 1/2'' Metallic Pumps Air Operated Diaphragm Pumps - 1/2'' Metallic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 1-201 17 Elbow, Suction 2 Aluminium 1-217
1-A Sleeve and Spool Set 1 Aluminium 1-201A 18 Elbow, Discharge 2 Aluminium 1-218
1-B Valve Body 1 1-201B 19 1-C Bumper 2 Polyurethane 1-201C 20 Gasket, Air Inlet 1 Nitrile 1-218
1-D End Cap 2 Nitrile 1-201D 21 Gasket, Air Valve 1 Nitrile 1-221
1-E Hex Flange Capscrew,1/4-20*0.75 8 Aluminium 1-201E 22 Gasket, Pilot Valve 1 Nitrile 1-222
1-F O-Ring 4 Zinc Plated Steel 1-201F 23 Manifold BSP 2 Aluminium 1-223
1-G Muffler 1 Polyethylene 1-201G 24 Manifold, Suction,BSP 2 Stainless Steel 1-224
1-H Muffler Cap 1 Polypropylene 1-201H 25 Manifold, Discharge,BSP 2 Stainless Steel 1-225
1-I Machine Screw 4 Zinc Plated Steel 1-201I 26 Muffler, Metal 24 1-226
2 Ball, Check 4 Nitrile 1-2021 27 Nut, Hex 5/16-18 8 Aluminium 1-227
2 Ball, Check 4 Santoprene 1-2022 27 Nut, Hex 5/16-18 8 Stainless Steel 1-227
2 Ball, Check 4 Teflon 1-2023 28 O-ring 2 Nitrile 1-228
3 Pilot Valve Assembly 1 1-203 29 Seal, Aluminium, Manifold 4 PTFE 1-229
3-A Pilot Valve Body 1 Polypropylene 1-203A 30 Plate, Outer Diaphragm 2 Aluminium 14-230
3-B Sleeve (with O-Rings) 1 1-203B 30 Plate, Outer Diaphragm 2 Stainless Steel 13-230
3-C O-Ring (Sleeve) 6 Nitrile 1-204C 31 Plate, Inner Diaphragm 2 Zinc Plated Steel 1-231
3-D Spool (with O-Rings) 1 1-204D 32 Plunger, Actuator 2 Stainless Steel 1-232
3-E O-Ring (Spool) 3 Nitrile 1-204E 33 Ring, Retainer 2 Stainless Steel 1-326
3-F Retaining Ring 1 Carbon Steel 1-204F 34 Rod, Diaphragm 1 Stainless Steel 1-234
4 Bracket, Intermediate 1 Aluminium 1-204 35 Seal, U-Cup shaft 2 Nitrile 1-235
5 Bracket, Mounting (Aluminium) 2 Aluminium 1-205 36 Seat, Check Valve 4 Polyethylene 1-236
6 Bumper, Diaphragm 2 Nitrile 1-206 36 Seat, Check Valve 4 PTFE 1-2363
7 Bushing, Plunger 2 Acetal 1-207 37 5/16 Lock Washer 48 Zinc Plated Steel 1-237
8 Cap, Air Inlet 1 Aluminium 1-208
9 Screw Hex 5/16-18*1.00 12 Zinc Plated Steel 1-309
10 Screw Hex 5/16-18*1.25 40 Zinc Plated Steel 1-310 33 Service Kit - Wet Side
11 Screw Flat Socket Hd 1/4-20*0.25 4 Zinc Plated Steel 1-211 Consisting of: - Nitrile 1-2331
12 Screw Hex Flanged 1/4-20*0.75 4 Zinc Plated Steel 1-212 Item 2, 16, 36 Santoprene 1-2332
13 Screw Hex Flanged 1/4-20*1.25 4 Stainless Steel 1-213 Teflon includes overlays Item 15 Teflon 1-2333
14 Chamber, Outer 2 Aluminium 13-212
14 Chamber, Outer 2 Stainless Steel 14-212
15 Diaphragm 2 Nitrile 1-2151 1 Air Distribution Valve Assembly
15 Diaphragm 2 Santoprene 1-2152 1-A to 1-J 1-301
16 Diaphragm Overlay 2 PTFE 1-2163
Page 1 of 2 © Empire Pumps Ltd 2016
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Air Operated Diaphragm Pumps
1” Metallic Parts List
Page 2 of 2 © Empire Pumps Ltd 2016
www.empirepumps.com
Air Operated Diaphragm Pumps
1” Metallic Parts List
Air Operated Diaphragm Pumps - 1'' Metallic Pumps Air Operated Diaphragm Pumps - 1'' Metallic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 1-301 14 Diaphragm 2 Nitrile 1-3141
1-A Body, Air Valve 1 Aluminium 1-301A 14 Diaphragm 2 Santoprene 1-3142
1-B Sleeve and Spool Set 1 1-301B 15 Diaphragm, Overlay 2 PTFE 1-315
1-C Bumper 2 Polyurethane 1-301C 16 Gasket, Air Valve Assy 1 Nitrile 1-316
1-D O-Ring 10 Nitrile 1-301D 17 Gasket, Pilot Valve 1 Nitrile 1-317
1-E Cap, End 2 Aluminium 1-301E 18 Gasket, Air Inlet Cap 1 Nitrile 1-318
1-F Hex Head Cap Screw 1/4-20*0.75 8 Zinc Plated Steel 1-301F 19 Manifold, Suction 1 Aluminium 14-319
1-G Muffler 1 Polyethylene 1-301G 19 Manifold, Suction 1 Stainless Steel 13-319
1-H Muffler Cap 1 Polypropylene 1-301H 20 Manifold, Discharge 1 Aluminium 14-320
1-J Machine Screw 4 Zinc Plated Steel 1-301J 20 Manifold, Discharge 1 Stainless Steel 13-320
2 Ball, Check 4 Nitrile 1-3021 21 O-Ring 2 Nitrile 1-321
2 Ball, Check 4 Santoprene 1-3022 22 Seal (Check Valve)(See Item 29) 8 PTFE Encapsulated 1-322
2 Ball Check 4 Teflon 1-3023 23 Plate, Inner Diaphragm 2 Zinc Plated Steel 1-323
3 Bushing 2 Bronze 1-303 24 Plate, Outer Diaphragm Assy 2 Aluminium 14-324
4 Pilot Valve Assembly 1 1-304 24 Plate, Outer Diaphragm Assy 2 Stainless Steel 13-324
4-A Valve Body 1 Conductive HDPE 1-304A 25 Pin, Actuator 2 Stainless Steel 1-325
4-B Sleeve (With O-Rings) 1 1-304B 26 Ring, Retaining 2 Stainless Steel 1-326
4-C O-Ring (Sleeve) 6 Nitrile 1-304C 27 Rod, Diaphragm 1 Stainless Steel 1-327
4-D Spool (With O-Rings) 1 1-304D 28 Seal, U-Cup 2 Nitrile 1-328
4-E O-Ring (Spool) 3 Nitrile 1-304E 29 Seat, Check Ball 4 Polyethylene 1-329
4-F Retaining Ring 1 Carbon Steel 1-304F 29 Seat, Check Ball 4 PTFE 1-3293
5 Intermediate 1 Aluminium 1-305 30 Lock Washer,5/16 16 Zinc Plated Steel 1-330
6 Bumper 2 Nitrile 1-306 30 Lock Washer,5/16 16 Stainless Steel 13-330
7 Bushing 2 Acetal 1-307 31 Flat Washer,5/16 4 Zinc Plated Steel 1-331
8 Cap, Air Inlet Assembly 1 Aluminium 1-308 32 Muffler, Metal 1 1-332
9 Screw, Hex HD5/16-18*1.00 16 Aluminium 14-309 9 Screw, Hex HD5/16-18*1.00 16 Stainless Steel 13-309
10 Screw, Hex HD5/16-18*1.25 16 Aluminium 14-310 33 Service Kit - Wet Side
10 Screw, Hex HD5/16-18*1.25 16 Stainless Steel 13-310 Consisting of: - Nitrile 1-3331
11 Screw, Hex HD5/16-18*1.75 4 Aluminium 14-311 Item 2, 14, 29 Santoprene 1-3332
11 Screw, Hex HD5/16-18*1.75 4 Stainless Steel 13-311 Teflon includes Overlays Item 15 Teflon 1-3333
12 Screw, Hex HD3/8-16*1.00 4 Stainless Steel 13-312 12 Screw, Hex HD3/8-16*1.00 4 Aluminium 14-312 13 Chamber, Outer 2 Aluminium 14-313 1 Air Distribution Valve Assembly
13 Chamber, Outer 2 Stainless Steel 13-313 1-A to 1-J 1-301
Page 1 of 2 © Empire Pumps Ltd 2016
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Air Operated Diaphragm Pumps
1 1/2” Metallic Parts List
Page 2 of 2 © Empire Pumps Ltd 2016
www.empirepumps.com
Air Operated Diaphragm Pumps
1 1/2” Metallic Parts List
Air Operated Diaphragm Pumps – 1 1/2'' Metallic Pumps Air Operated Diaphragm Pumps – 1 1/2'' Metallic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 1-301 16 Diaphragm 2 Santoprene 1-4162
1-A Body, Air Valve 1 Aluminium 1-301A 17 Diaphragm Overlay 2 PTFE 1-417
1-B Sleeve and Spool Set 1 1-301B 18 Gasket, Air Valve 1 Nitrile 1-316
1-C Bumper 2 Polyurethane 1-301C 19 Gasket, Pilot Valve 1 Nitrile 1-419
1-D O-Ring 10 Nitrile 1-301D 20 Gasket, Air Inlet 1 Nitrile 1-318
1-E Cap, End 2 Aluminium 1-301E 21 Gasket, Inner Chamber 2 Nitrile 1-421
1-F Hex Head Screw 1/4-20*0.75 8 Zinc Plated Steel 1-301F 22 Manifold, Suction 1 Stainless Steel 13-422
1-G Muffler 1 Polyethylene 1-301G 22 Manifold, Suction 1 Aluminium 14-422
1-H Muffler Cap 1 Polypropylene 1-301H 23 Manifold, Discharge 1 Stainless Steel 13-423
1-J Machine Screw 4 Zinc Plated Steel 1-301J 23 Manifold, Discharge 1 Aluminium 14-423
2 Ball, Check 4 Nitrile 1-4021 24 Nut, Hex 3/8-16 16 Zinc Plated Steel 1-424
2 Ball, Check 4 Santoprene 1-4022 25 Nut, Hex 7/16-14 16 Zinc Plated Steel 1-425
2 Ball Check 4 Teflon 1-4023 26 O-Ring 2 Nitrile 1-426
3 Bushing 2 Bronze 1-403 27 Seal (O-Ring) (See item 34) 8 PTFE 1-427
4 Pilot Valve Assembly 1 1-304 28 Plate, Outer Diaphragm Assembly 2 Aluminium 14-428
4-A Valve Body 1 Conductive HDPE 1-304A 28 Plate, Outer Diaphragm Assembly 2 Stainless Steel 13-428
4-B Sleeve (With O-Rings) 1 1-304B 29 Plate, Inner Diaphragm 2 Aluminium 1-429
4-C O-Ring (Sleeve) 6 Nitrile 1-304C 30 Plunger, Actuator 2 Stainless Steel 1-430
4-D Spool (With O-Rings) 1 1-304D 31 Ring, Retaining 2 Stainless Steel 1-326
4-E O-Ring (Spool) 3 Nitrile 1-304E 32 Rod, Diaphragm 1 Stainless Steel 1-432
4-F Retaining Ring 1 Carbon Steel 1-304F 33 U Cup Rod 2 Nitrile 1-433
5 Intermediate 1 Aluminium 1-405 34 Seat, Check Ball (Seals required see item 27) 4 Polyethylene 1-434
6 Bumper 2 Nitrile 1-406 34 Seat, Check Ball 4 PTFE 1-4343
7 Bushing 2 Acetal 1-407 35 Washer, Flat 5/16 4 Zinc Plated Steel 1-435
8 Cap, Air Inlet Assembly 1 Aluminium 1-408 36 Metal Muffler 1 1-436
9 Screw, Hex HD5/16-18*1.00 16 Zinc Plated Steel 1-409
10 Screw, Hex HD5/16-18*1.00 16 Zinc Plated Steel 1-410
11 Screw, Hex HD5/16-18*1.25 4 Zinc Plated Steel 1-411 37 Service Kit - Wet Side
12 Screw, Hex HD5/16-18*1.25 4 Zinc Plated Steel 1-412 Consisting of: - Nitrile 1-4331
13 Screw, Soc HD 7/16-14*1.25 8 Zinc Plated Steel 1-413 Item 2, 16, 34 EPDM 1-4332
14 Chamber, Outer 2 Aluminium 14-414 Teflon includes overlays Item 17 Teflon 1-4333
14 Chamber, Outer 2 Stainless Steel 13-414
15 Inner Chamber 2 Aluminium 14-415
15 Inner Chamber 2 Stainless Steel 13-415 1 Air Distribution Valve Assembly
16 Diaphragm 2 Nitrile 1-4161 1-A to 1-J 1-301
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Air Operated Diaphragm Pumps
2” Metallic Parts List
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Air Operated Diaphragm Pumps
2” Metallic Parts List
Air Operated Diaphragm Pumps - 2'' Metallic Pumps Air Operated Diaphragm Pumps - 2'' Metallic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 1-301 19 Gasket, Air Valve 1 Nitrile 1-316
1-A Body, Air Valve 1 Aluminium 1-301A 20 Gasket, Pilot Valve 1 Nitrile 1-419
1-B Sleeve and Spool Set 1 1-301B 21 Gasket, Air Inlet 1 Nitrile 1-318
1-C Bumper 2 Polyurethane 1-301C 22 Gasket, Inner Chamber 2 Nitrile 1-421
1-D O-Ring 10 Nitrile 1-301D 23 Manifold, Suction 1 Stainless Steel 13-523
1-E Cap, End 2 Aluminium 1-301E 23 Manifold, Suction 1 Aluminium 14-523
1-F Hex Head Screw 1/4-20*0.75 8 Zinc Plated Steel 1-301F 24 Manifold, Discharge 1 Stainless Steel 13-524
1-G Muffler 1 Polyethylene 1-301G 24 Manifold, Discharge 1 Aluminium 14-424
1-H Muffler Cap 1 Polypropylene 1-301H 25 Nut, Hex 3/8-16 16 Zinc Plated Steel 1-424
1-J Machine Screw 4 Zinc Plated Steel 1-301J 26 Nut, Hex 7/16-14 16 Zinc Plated Steel 1-425
2 Ball, Check 4 Nitrile 1-5021 27 O-Ring 2 Nitrile 1-527
2 Ball, Check 4 Santoprene 1-5022 28 Plate, Inner Diaphragm 2 Aluminium 1-528
2 Ball Check, Teflon 4 Teflon 1-5023 29 Plate, Outer Diaphragm Assembly 2 Aluminium 14-529
3 Bushing 2 Bronze 1-403 29 Plate, Outer Diaphragm Assembly 2 Stainless Steel 13-529
4 Pilot Valve Assembly 1 1-304 30 Plate, Inner Diaphragm (use with 1-516) 2 Aluminium 1-530
4-A Valve Body 1 Conductive HDPE 1-304A 31 Plate, Outer Diaphragm Assembly (use with 1-516) 2 Stainless Steel 13-531
4-B Sleeve (With O-Rings) 1 1-304B 31 Plate, Outer Diaphragm Assembly (use with 1-516) 2 Aluminium 14-531
4-C O-Ring (Sleeve) 6 Nitrile 1-304C 32 Plunger, Actuator 2 Stainless Steel 1-430
4-D Spool (With O-Rings) 1 1-304D 33 Ring, Retainer 2 Stainless Steel 1-326
4-E O-Ring (Spool) 3 Nitrile 1-304E 34 Rod, Diaphragm 1 Stainless Steel 1-534
4-F Retaining Ring 1 Carbon Steel 1-304F 35 U-Cup, Rod 2 Nitrile 1-433
5 Intermediate 1 Aluminium 1-405 36 Seat, Check Ball 4 Polyethylene 1-536
6 Bumper 2 Nitrile 1-406 36 Seat, Check Ball 4 PTFE 1-5363
7 Bushing 2 Acetal 1-407 37 Washer, Lock 16 Zinc Plated Steel 1-537
8 Cap, Air Inlet Assembly 1 Aluminium 1-508 38 Washer, Flat 5/16 4 Zinc Plated Steel 1-538
9 Screw, Hex HD5/16-18*1.00 16 Zinc Plated Steel 1-509 40 Seal(O-Ring) (See item 36) 8 PTFE 1-540
10 Screw, Hex HD5/16-18*1.00 16 Zinc Plated Steel 1-510 46 Metal Muffler 1 1-546
11 Screw, Hex HD5/16-18*1.25 4 Zinc Plated Steel 1-411 12 Screw, Hex HD5/16-18*1.25 4 Zinc Plated Steel 1-412 13 Screw, Soc HD 7/16-14*1.25 8 Zinc Plated Steel 1-413 37 Service Kit - Wet Side
14 Chamber, Outer 2 Aluminium 14-514 Consisting of: - Nitrile 1-5331
14 Chamber, Outer 2 Stainless Steel 13-514 Item 2, 18, 36 Santoprene 1-5332
15 Inner Chamber 2 Aluminium 14-515 Teflon includes overlays Item 16 Teflon 1-5333
15 Inner Chamber 2 Stainless Steel 13-515
16 Diaphragm Overlay 2 PTFE 1-516
18 Diaphragm 2 Nitrile 1-5161 1 Air Distribution Valve Assembly
18 Diaphragm 2 Santoprene 1-5162 1-A to 1-J 1-301
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Air Operated Diaphragm Pumps
3” Metallic Parts List
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Air Operated Diaphragm Pumps
3” Metallic Parts List
Air Operated Diaphragm Pumps - 3'' Metallic Pumps Air Operated Diaphragm Pumps - 3'' Metallic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 1-301 17 Diaphragm 2 Santoprene 1-6172
1-A Body, Air Valve 1 Aluminium 1-301A 18 Gasket, Air Valve 1 Nitrile 1-316
1-B Sleeve and Spool Set 1 1-301B 19 Gasket, Pilot Valve 1 Nitrile 1-419
1-C Bumper 2 Polyurethane 1-301C 20 Gasket, Air Inlet 1 Nitrile 1-318
1-D O-Ring 10 Nitrile 1-301D 21 Gasket, Inner Chamber 2 Nitrile 1-421
1-E Cap, End 2 Aluminium 1-301E 22 Manifold, Suction 1 Stainless Steel 13-622
1-F Hex Head Screw 1/4-20*0.75 8 Zinc Plated Steel 1-301F 22 Manifold, Suction 1 Aluminium 14-622
1-G Muffler 1 Polyethylene 1-301G 23 Manifold, Discharge 1 Stainless Steel 13-623
1-H Muffler Cap 1 Polypropylene 1-301H 23 Manifold, Discharge 1 Aluminium 14-623
1-I Machine Screw 4 Zinc Plated Steel 1-301J 24 Nut, Hex 7/16-14 16 Zinc Plated Steel 1-424
2 Ball, Check 4 Nitrile 1-6021 25 Nut, Hex 1/2-13 16 Zinc Plated Steel 1-425
2 Ball, Check 4 Santoprene 1-6022 26 O-Ring 2 Nitrile 1-626
2 Ball, Check 4 Teflon 1-6023 27 Seal (O-Ring) (See item 34) 8 PTFE 1-627
3 Bushing 4 Bronze 1-403 28 Plate, Inner Diaphragm 2 Aluminium 1-528
4 Pilot Valve Assembly 4 1-304 29 Plate, Outer Diaphragm Assembly 2 Aluminium 14-531
4-A Valve Body 2 Conductive HDPE 1-304A 29 Plate, Outer Diaphragm Assembly 2 Stainless Steel 13-531
4-B Sleeve(With O-Rings) 1 1-304B 30 Plunger, Actuator 2 Stainless Steel 1-430
4-C O-Ring(Sleeve) 1 Nitrile 1-304C 31 Ring, Retainer 2 Stainless Steel 1-326
4-D Spool(With O-Rings) 1 1-304D 32 Rod, Diaphragm 1 Stainless Steel 1-632
4-E O-Ring(Spool) 6 Nitrile 1-304E 33 Seal, Diaphragm Rod 2 Nitrile 1-433
4-F Retaining Ring 1 Carbon Steel 1-304F 34 Seat, Check Ball 4 Polyethylene 1-536
5 Intermediate 3 Aluminium 1-405 34 Seat, Check Ball 4 PTFE 1-536
6 Bumper 1 Nitrile 1-406 35 5/16 Flat Washer 4 Zinc Plated Steel 1-538
7 Bushing 1 Acetal 1-407
42 Metal Muffler 1 1-546
8 Cap, Air Inlet Assembly 1 Aluminium 1-608
9 Screw, Hex HD5/16-18*1.00 16 Zinc Plated Steel 1-609
10 Screw, Hex HD5/16-18*1.00 16 Zinc Plated Steel 1-510
37 Service Kit - Wet Side
11 Screw, Hex HD5/16-18*1.25 4 Zinc Plated Steel 1-411 Consisting of:- Nitrile 1-5331
12 Screw, Hex HD5/16-18*1.25 4 Zinc Plated Steel 1-412 Item 2, 17, 34 Santoprene 1-5332
13 Screw, Soc HD 7/16-14*1.25 8 Zinc Plated Steel 1-413 Teflon includes overlays Item 16 Teflon 1-5333
14 Chamber, Outer 2 Aluminium 14-614
14 Chamber, Outer 2 Stainless Steel 13-614
15 Inner Chamber 2 Aluminium 14-615 1 Air Distribution Valve Assembly
16 Diaphragm 2 PTFE 1-616
1-A to 1-J 1-301
17 Diaphragm 2 Nitrile 1-6171
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Air Operated Diaphragm Pumps
1/2” Plastic Parts List
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Air Operated Diaphragm Pumps
1/2” Plastic Parts List
Air Operated Diaphragm Pumps – 1/2'' Plastic Pumps Air Operated Diaphragm Pumps – 1/2'' Plastic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 11-201 15 Diaphragm 2 Nitrile 11-2151
1 Air Valve Assembly 1 PTFE Coated Fasteners 12-201 15 Diaphragm 2 Santoprene 11-2152
1-A Body, Air Valve Assy 1 Polypropylene 11-201A 16 Diaphragm Overlay 2 PTFE 11-216
1-B Sleeve and Spool Set 1 11-201B 17 Elbow, Suction 2 Polypropylene 11-217
1-C O-Ring 8 Nitrile 11-201C 17 Elbow, Suction 2 PVDF 12-217
1-E End Cap 2 Polypropylene 11-201E 18 Elbow, Discharge 2 Polypropylene 11-218
1-F O-Ring 2 Nitrile 11-201F 18 Elbow, Discharge 2 PVDF 12-218
1-G End Cap Retainer 2 Stainless Steel 11-201G 19 Gasket, Spacer 2 Nitrile 11-219
1-H Muffler 1 Polyethylene 11-201H 20 Gasket, Air Inlet 1 Nitrile 11-220
1-I Muffler Cap 1 Polypropylene 11-201I 21 Gasket, Pilot Valve 1 Nitrile 11-221
1-J Self-Tapping Screw 4 Stainless Steel 11-201J 22 Gasket, Air Valve 1 Nitrile 11-222
2 Ball, Check 4 Nitrile 11-2021 23 Manifold 2 Polypropylene 11-223
2 Ball, Check 4 Santoprene 11-2022 23 Manifold 2 PVDF 12-223
2 Ball, Check 4 PTFE 11-2023 24 Muffler 1 11-224
3 Pilot Valve Assembly 1 11-203 25 Nut Flanged 5/16-18 36 Stainless Steel 11-225
3-A Valve Body 1 Polypropylene 11-203A 25 Nut Flanged 5/16-18 36 PTFE Coated 12-225
3-B Sleeve(with O-Rings) 1 11-203B 26 O-Ring 2 Nitrile 11-226
3-C O-Ring(Sleeve) 6 Nitrile 11-203C 27 Plate, Outer Diaphragm 2 Polypropylene 11-227
3-D Spool(with O-Rings) 1 11-203D 27 Plate, Outer Diaphragm 2 PVDF 12-227
3-E O-Ring(Spool) 3 Nitrile 11-203E 28 Plate, Inner Diaphragm 2 Zinc Plated Steel 11-228
3-F Retaining Ring 1 Carbon Steel 11-203F 29 Plunger, Actuator 2 Stainless Steel 11-229
4 Bracket, Intermediate 1 Polypropylene 11-204 30 Ring, Retaining 2 Stainless Steel 11-230
5 Bracket, Mounting 2 Stainless Steel 11-205 31 Rod, Diaphragm 1 Stainless Steel 11-231
6 Bumper, Diaphragm 2 Nitrile 11-206 32 Seal, Diaphragm Rod 2 Nitrile 11-232
7 Bushing, Plunger 2 Acetal 11-207 33 Seal, Manifold 4 PTFE 11-233
8 Cap, Air Inlet 1 Polypropylene 11-208 34 Seat, Check Valve 4 PTFE 11-234
9 Screw Hex Flanged 5/16-18*1.00 12 Stainless Steel 11-209 9 Screw Hex Flanged 5/16-18*1.00 12 PTFE Coated Fasteners 12-209
10 Screw Hex Flanged 5/16-18*1.25 24 Stainless Steel 11-210 42 Service Kit - Wet Side
10 Screw Hex Flanged 5/16-18*1.25 24 PTFE Coated 12-210 Consisting of:- Nitrile 11-2421
11 Screw Hex Flanged 5/16-18*1.50 12 Stainless Steel 11-211 Item 2, 15, 33, 34 Santoprene 11-2422
11 Screw Hex Flanged 5/16-18*1.50 12 PTFE Coated 12-211 Teflon includes overlays Item 16 Teflon 11-2423
12 Screw Hex Flanged 1/4-20*1.25 8 Stainless Steel 11-212 12 Screw Hex Flanged 1/4-20*1.25 8 PTFE Coated 12-212 13 Screw Hex Flanged 5/16-18*0.88 4 Stainless Steel 11-213 1 Air Distribution Valve Assembly
13 Screw Hex Flanged 5/16-18*0.88 4 PTFE Coated 12-213 1-A to 1-J 11-201
14 Chamber, Outer 2 Polypropylene 11-214 PTFE Coated Fasteners 1-A to 1-J 12-201
14 Chamber, Outer 2 PVDF 12-214
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Air Operated Diaphragm Pumps
1” Plastic Parts List
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Air Operated Diaphragm Pumps
1” Plastic Parts List
Air Operated Diaphragm Pumps - 1'' Plastic Pumps Air Operated Diaphragm Pumps - 1'' Plastic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 11-301 20 Gasket, Air Valve 1 Nitrile 11-320
1 Air Valve Assembly 1 PTFE Coated Fasteners 12-301 21 Gasket, Pilot Valve 1 Nitrile 11-321
1-A Sleeve and Spool Set 1 11-301A 22 Gasket, Air Inlet 1 Nitrile 11-322
1-B Valve Body 1 Polypropylene 11-301B 23 Gasket, Inner Chamber 1 Nitrile 11-323
1-C Bumper 1 Polypropylene 11-301C 24 Manifold 2 Polypropylene 11-324
1-D Cap, Muffler 2 Polypropylene 11-301D 24 Manifold 2 PVDF 12-324
1-E Cap, End 1 Conductive HDPE 11-301E 25 Nut, Hex 3/8-16 32 Stainless Steel 11-325
1-F Muffler 2 Polyethylene 11-301F 25 Nut, Hex 3/8-16 32 PTFE Coated 12-325
1-G O-Ring 1 Nitrile 11-301G 26 Nut, Hex 1/2-13 16 Stainless Steel 11-326
1-H Ring, Retaining 8 Stainless Steel 11-301H 26 Nut, Hex 1/2-13 16 PTFE Coated 12-326
1-J Screw, Self-Tapping 2 Stainless Steel 11-301J 27 O-Ring 2 Nitrile 11-327
2 Ball, Check 4 Nitrile 11-3021 28 Inner Diaphragm Plate 2 Aluminium 11-328
2 Ball, Check 4 Santoprene 11-3022 29 Outer Diaphragm Plate 2 Polypropylene 11-329
2 Ball, Check 4 PTFE 11-3023 29 Outer Diaphragm Plate 2 PVDF 12-329
3 Pilot Valve Assembly 1 Conductive HDPE 11-303 30 Plunger, Actuator 2 Stainless Steel 11-330
3-A Valve Body 1 Conductive HDPE 11-303A 31 Retainer, Ball 4 Polypropylene 11-331
3-B Sleeve(With O-Rings) 1 11-303B 31 Retainer, Ball 4 PVDF 12-331
3-C O-Ring (Sleeve) 6 Nitrile 11-303C 32 Ring, Retainer 2 Stainless Steel 11-332
3-D Spool(With O-Rings) 1 11-303D 33 Rod, Diaphragm 1 Stainless Steel 11-333
3-E O-Ring(Spool) 3 Nitrile 11-303E 34 Seal, Diaphragm Rod 2 Nitrile 11-334
3-F Retaining Ring 1 Carbon Steel 11-303F 35 Seal, Manifold Spacer 4 PTFE 11-335
4 Intermediate 1 Polypropylene 11-304 36 Seal, Check Valve 8 PTFE 11-336
5 Bumper, Diaphragm 2 Nitrile 11-305 37 Seat, Check Valve 4 Polypropylene 11-337
6 Bushing, Plunger 2 Acetal 11-306 37 Seat, Check Valve 4 PVDF 12-337
7 Cap, Air Inlet 1 Polypropylene 11-307 38 Washer, Flat 5/16" 4 Stainless Steel 11-338
8 Screw, Hex Hd 3/8-16*2.00 16 Stainless Steel 11-308 38 Washer, Flat 5/16" 4 PTFE Coated 12-338
8 Screw, Hex Hd 3/8-16*2.00 16 PTFE Coated 12-308 39 Washer, Flat 1/2" 32 Stainless Steel 11-339
9 Screw, Hex Hd 1/2-13*2.00 16 Stainless Steel 11-309 39 Washer, Flat 1/2" 32 PTFE Coated 12-339
9 Screw, Hex Hd 1/2-13*2.00 16 PTFE Coated 12-309 40 Washer, Flat 3/8" 4 Stainless Steel 11-340
10 Screw Hex Hd 3/8-16*2.25 16 Stainless Steel 11-310 40 Washer, Flat 3/8" 4 PTFE Coated 12-340
10 Screw Hex Hd 3/8-16*2.25 16 PTFE Coated 12-310 41 Washer, Flat 3/8" 32 Stainless Steel 11-341
11 Screw Hex Hd 5/16-18*1.75 4 Stainless Steel 11-311 41 Washer, Flat 3/8" 32 PTFE Coated 12-341
11 Screw, Hex Hd 5/16-18*1.75 4 PTFE Coated 12-311 12 Screw, Soc Hd 3/8-16*2.50 8 Stainless Steel 11-312 13 Screw, Soc Hd 3/8-16*0.88 8 Stainless Steel 11-313 42 Service Kit - Wet Side
13 Screw, Soc Hd 3/8-16*0.88 8 PTFE Coated 12-313 Consisting of: - Nitrile 11-3421
14 Chamber, Outer 2 Polypropylene 11-314 Item 2, 16, 35, 36 Santoprene 11-3422
14 Chamber, Outer 2 PVDF 12-314 Teflon includes overlays Item 17 Teflon 11-3423
15 Chamber, Inner 2 Polypropylene 11-315 16 Diaphragm 2 Nitrile 11-3161 16 Diaphragm 2 Santoprene 11-3162 1 Air Distribution Valve Assembly
17 Diaphragm Overlay 2 PTFE 11-317 1-A to 1-J 11-301
18 Elbow, Discharge 2 Polypropylene 11-318 PTFE Coated Fasteners 1-A to 1-J 12-301
18 Elbow, Discharge 2 PVDF 12-318
19 Elbow, Suction 2 Polypropylene 11-319 19 Elbow, Suction 2 PVDF 12-319
Page 1 of 2
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Air Operated Diaphragm Pumps
1 1/2” Plastic Parts List
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Air Operated Diaphragm Pumps
1 1/2” Plastic Parts List
Air Operated Diaphragm Pumps – 1 1/2'' Plastic Pumps Air Operated Diaphragm Pumps – 1 1/2'' Plastic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 11-401 18 Elbow, Suction 2 Polypropylene 11-418
1 Air Valve Assembly 1 PTFE Coated Fasteners 12-401 18 Elbow, Suction 2 PVDF 12-418
1-A Sleeve and Spool Set 1 11-401A 19 Gasket, Main Air Valve 1 Nitrile 11-419
1-B Valve Body 1 Polypropylene 11-401B 20 Gasket, Pilot Valve 1 Nitrile 11-420
1-C Bumper 1 Polypropylene 11-401C 21 Gasket, Air Inlet Cap 1 Nitrile 11-421
1-D Cap, Muffler 2 Polypropylene 11-401D 22 Gasket, Inner Chamber 2 Nitrile 11-422
1-E Cap, End 1 Conductive HDPE 11-401E 23 Manifold 2 Polypropylene 11-423
1-F Muffler 2 Polyethylene 11-401F 23 Manifold 2 PVDF 12-423
1-G O-Ring 1 Nitrile 11-401G 24 Nut, Hex 1/2-13 32 Stainless Steel 11-424
1-H Ring, Retaining 8 Stainless Steel 11-401H 24 Nut, Hex 1/2-13 32 PTFE Coated 12-424
1-J Screw, Self-Tapping 4 Stainless Steel 11-401J 25 O-Ring 2 Nitrile 11-425
2 Pilot Valve Assembly 1 Conductive HDPE 11-402 26 Inner Diaphragm Plate 2 Aluminium 11-426
2-A Valve Body 1 Conductive HDPE 11-402A 27 Outer Diaphragm Plate 2 Polypropylene 11-427
2-B Sleeve (With O-Rings) 1 11-402B 27 Outer Diaphragm Plate 2 PVDF 12-427
2-C O-Ring (Sleeve) 6 Nitrile 11-402C 28 Plunger, Actuator 2 Stainless Steel 11-428
2-D Spool (With O-Rings) 1 11-402D 29 Retainer, Ball 4 Polypropylene 11-429
2-E O-Ring (Spool) 3 Nitrile 11-402E 29 Retainer, Ball 4 PVDF 12-429
2-F Retaining Ring 1 Carbon Steel 11-402F 30 Ring, Retainer 2 Stainless Steel 11-430
3 Ball, Check 4 Nitrile 11-4031 31 Rod, Diaphragm 1 Stainless Steel 11-431
3 Ball, Check 4 Santoprene 11-4032 32 Seal, U-Cup 2 Nitrile 11-432
3 Ball, Check 4 PTFE 11-4033 33 Seal, Check Valve Assembly 8 PTFE 11-433
4 Intermediate Assembly 1 Polypropylene 11-404 34 Seal, Manifold 4 PTFE 11-434
5 Bumper, Diaphragm 2 Nitrile 11-405 35 Seat, Check Valve 4 Polypropylene 11-435
6 Bushing, Plunger 2 Acetal 11-406 35 Seat, Check Valve 4 PVDF 12-435
7 Air Inlet Cap Assembly 1 Polypropylene 11-407 36 Washer, Flat 5/16" 4 Stainless Steel 11-436
8 Screw, Hex Head 1/2-13*2.50 32 Stainless Steel 11-408 36 Washer, Flat 5/16" 4 PTFE Coated 12-436
8 Screw, Hex Head 1/2-13*2.50 32 PTFE Coated 12-408 37 Washer, Flat 1/2" 96 Stainless Steel 11-437
9 Screw, Hex HD 5/16-18*2.50 4 Stainless Steel 11-409 37 Washer, Flat 1/2" 96 PTFE Coated 12-437
9 Screw, Hex HD 5/16-18*2.50 4 PTFE Coated 12-409 38 Washer, Flat 3/8" 4 Stainless Steel 11-438
10 Screw, Hex HD 1/2-13*4.00 16 Stainless Steel 11-410 38 Washer, Flat 3/8" 4 PTFE Coated 12-438
10 Screw, Hex HD 1/2-13*4.00 16 PTFE Coated 12-410 11 Screw, Hex HD 3/8-16*2.75 4 Stainless Steel 11-411 11 Screw, Hex HD 3/8-16*2.75 4 PTFE Coated 12-411 39 Service Kit - Wet Side
12 Screw, Soc HD 3/8-16*1.25 8 Stainless Steel 11-412 Consisting of: - Nitrile 11-4381
13 Chamber, Outer 2 Polypropylene 11-413 Item 3, 15, 33, 34 Santoprene 11-4382
13 Chamber, Outer 2 PVDF 12-413 Teflon includes overlays Item 16 Teflon 11-4383
14 Chamber, Inner 2 Polypropylene 11-414 15 Diaphragm 2 Nitrile 11-4151 15 Diaphragm 2 Santoprene 11-4152 1 Air Distribution Valve Assembly
16 Diaphragm Overlay 2 PTFE 11-416 1-A to 1-J 11-401
17 Elbow, Discharge 2 Polypropylene 11-417 PTFE Coated Fasteners 1-A to 1-J 12-401
17 Elbow, Discharge 2 PVDF 12-417
Page 1 of 2
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Air Operated Diaphragm Pumps
2” Plastic Parts List
Page 2 of 2
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Air Operated Diaphragm Pumps
2” Plastic Parts List
Air Operated Diaphragm Pumps - 2'' Plastic Pumps Air Operated Diaphragm Pumps - 2'' Plastic Pumps
Item Description Qty Material Part Number Item Description Qty Material Part Number
1 Air Valve Assembly 1 11-401 20 Elbow, Suction 2 Polypropylene 11-520
1 Air Valve Assembly 1 PTFE Coated Fasteners 12-401 20 Elbow, Suction 2 PVDF 12-520
1-A Sleeve and Spool Set 1 11-401A 21 Gasket, Main Air Valve 1 Nitrile 11-419
1-B Valve Body 1 Polypropylene 11-401B 22 Gasket, Pilot Valve 1 Nitrile 11-420
1-C Bumper 1 Polypropylene 11-401C 23 Gasket, Air Inlet Cap 1 Nitrile 11-421
1-D Cap, Muffler 2 Polypropylene 11-401D 24 Gasket, Inner Chamber 2 Nitrile 11-422
1-E Cap, End 1 Conductive HDPE 11-401E 25 Manifold 2 Polypropylene 11-525
1-F Muffler 2 Polyethylene 11-401F 25 Manifold 2 PVDF 12-525
1-G O-Ring 1 Nitrile 11-401G 26 Nut, Hex 1/2-13 24 Stainless Steel 11-424
1-H Ring, Retaining 8 Stainless Steel 11-401H 26 Nut, Hex 1/2-13 24 PTFE Coated 12-424
1-J Screw, Self-Tapping 4 Stainless Steel 11-401J 27 Nut, Hex 5/8-11 16 Stainless Steel 11-527
2 Pilot Valve Assembly 1 Conductive HDPE 11-402 27 Nut, Hex 5/8-11 16 PTFE Coated 12-527
2-A Valve Body 1 Conductive HDPE 11-402A 28 O-Ring 2 Nitrile 11-425
2-B Sleeve (With O-Rings) 1 11-402B 29 Inner Diaphragm Plate 2 Aluminium 11-426
2-C O-Ring (Sleeve) 6 Nitrile 11-402C 30 Outer Diaphragm Plate 2 Polypropylene 11-427
2-D Spool (With O-Rings) 1 11-402D 30 Outer Diaphragm Plate 2 PVDF 12-427
2-E O-Ring (Spool) 3 Nitrile 11-402E 31 Plunger, Actuator 2 Stainless Steel 11-428
2-F Retaining Ring 1 Carbon Steel 11-402F 32 Retainer, Ball 4 Polypropylene 11-532
3 Ball, Check 4 Nitrile 11-5031 33 Ring, Retainer 2 Stainless Steel 11-430
3 Ball, Check 4 Santoprene 11-5032 34 Rod, Diaphragm 1 Stainless Steel 11-431
3 Ball, Check 4 PTFE 11-5033 35 Seal, U-Cup 2 Nitrile 11-432
4 Intermediate Assembly 1 Polypropylene 11-404 36 Seal, Manifold 4 PTFE 11-536
5 Bumper, Diaphragm 2 Nitrile 11-405 37 Seal, Check Valve Assembly 8 PTFE 11-537
6 Bushing, Plunger 2 Acetal 11-406 38 Seat, Check Valve 4 Polypropylene 11-538
7 Air Inlet Cap Assembly 1 Polypropylene 11-507 38 Seat, Check Valve 4 PVDF 12-538
8 Screw, Hex HD 1/2-13*2.50 16 Stainless Steel 11-408 39 Washer, Flat 5/16" 4 Stainless Steel 11-436
8 Screw, Hex HD 1/2-13*2.50 16 PTFE Coated 12-408 39 Washer, Flat 5/16" 4 PTFE Coated 12-436
9 Screw, Hex HD 1/2-13*2.25 8 Stainless Steel 11-509 40 Washer, Flat 1/2" 48 Stainless Steel 11-437
9 Screw, Hex HD 1/2-13*2.25 8 PTFE Coated 12-509 40 Washer, Flat 1/2" 48 PTFE Coated 12-437
10 Screw, Hex HD 5/16-18*1.75 4 Stainless Steel 11-510 41 Washer, Flat 5/8" 32 Stainless Steel 11-541
10 Screw, Hex HD 5/16-18*1.75 4 PTFE Coated 12-510 41 Washer, Flat 5/8" 32 PTFE Coated 12-541
11 Screw, Hex HD 1/2-13*4.00 8 Stainless Steel 11-410 42 Washer, Flat 3/8" 4 Stainless Steel 11-438
11 Screw, Hex HD 1/2-13*4.00 8 PTFE Coated 12-410 42 Washer, Flat 3/8" 4 PTFE Coated 12-438
12 Screw, Hex HD 5/8-11*2.75 16 Stainless Steel 11-512 12 Screw, Hex HD 5/8-11*2.75 16 PTFE Coated 13-512 13 Screw, Hex HD 3/8-16*2.75 4 Stainless Steel 11-411 39 Service Kit - Wet Side
13 Screw, Hex HD 3/8-16*2.75 4 PTFE Coated 12-411 Consisting of: - Nitrile 11-5381
14 Screw, Soc HD 3/8-16*1.25 8 Stainless Steel 11-412 Item 3, 17, 36, 37 Santoprene 11-5382
15 Chamber, Inner 2 Polypropylene 11-515 Teflon includes overlays Item 18 Teflon 11-5383
16 Chamber, Outer 2 Polypropylene 11-516 16 Chamber, Outer 2 PVDF 12-516 17 Diaphragm 2 Nitrile 11-4151 1 Air Distribution Valve Assembly
17 Diaphragm 2 Santoprene 11-4152 1-A to 1-J 11-401
18 Diaphragm Overlay 2 PTFE 11-416 PTFE Coated Fasteners 1-A to 1-J 12-401
19 Elbow, Discharge 2 Polypropylene 11-519 19 Elbow, Discharge 2 PVDF 12-519
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