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Product Specifications:
| Item | Diaphragm Repair Kit |
| Check Ball Material | Polyurethane |
| Compatible With Mfr. Part No. | 666053-388, 666057-488, 66605J-388 |
| Diaphragm Material | Polyurethane |
| For Use With Grainger Part No. | 2CAP4, 5U668 |
| Kit Components | Balls, Diaphragms, Seals |
| Max. Media Intake Pressure | 120 psi |
| Max. Media Temp. | 150°F |
| Media Type | Fluid |
| Min. Media Temp. | 10°F |
| No. Of Check Balls | 4 |
| No. Of Diaphragms | 2 |
| No. Of O-rings | 11 |
| No. Of Seals | 11 |
| Pump Type | Air Operated Double Diaphragm Pump |
| Valve Type | Ball |
Shipping Info:
| Ship weight (kg) | 0.23 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | No. Of Seals | No. Of O-rings | Valve Type | Media Type | No. Of Diaphragms | Check Ball Material | Material | No. Of Check Balls | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
637137-62-C | - | - | Ball | - | - | Acetal | Nitrile Rubber | - | €792.96 | |
![]() |
637137-63-C | - | - | Ball | - | - | Acetal | - | - | €1,738.95 | |
![]() |
637118-C | - | - | - | - | - | - | Nitrile Rubber | - | €173.90 | |
![]() |
637429-AA | - | - | Ball | - | - | Santoprene | Santoprene | - | €196.84 | |
![]() |
637428 | - | - | - | - | - | - | Polyurethane, Nitrile | - | €256.54 | |
![]() |
6PY80 | - | - | - | - | - | - | - | - | €481.38 | |
![]() |
637140-D2 | - | - | Duckbill | - | - | Buna-N | - | - | €485.26 |
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ARO 637140-88 Diaphragm Pump Repair Kit
€246.27 /unit



