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Truck Pump—Material Specifications
| Part |
Material | | Case,
head, flange, rotor & bearing cap | Ductile
iron ASTM A536 | | Sideplate | Gray
iron ASTM A48, Class 30 | | Cam | Gray
iron ASTM A48, Class 50 | | Welding
flange | Steel |
| Seal seat | Gray
iron (standard)
Stainless steel & Ni-Resist (optional) |
| Seal metal parts | Steel
(Z2000 & Z3200)
Stainless steel (Z4200) | | Shaft | 8620
steel | | Vanes
& vane drivers | Advanced polymer |
| Relief valve | Steel
(Z3200)
Stainless steel (Z2000 & Z4200) | | Relief
valve spring | Steel, cadmium plated (Z3200)
Stainless Steel (Z2000 & Z4200) | | Bearing | Steel |
| Thrust bearing | Steel |
| O-rings | Buna
N (standard)
PTFE®1, Viton®1,
Neoprene®1 (optional) |
| Retainer rings | Steel |
1 PTFE®,
Viton® and Neoprene® are registered trademarks of the DuPont
Company. |
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