| |
Z-Series Stationary Pumps—Material Specifications
|
Part |
Models |
Standard Material |
Optional Material |
| Case, head, rotor, relief-valve cap, bearing cap |
Z3500 and Z4500 |
Ductile iron
ASTM A536 |
|
| Cam |
Z3500 and Z4500 |
Gray iron ASTM A48, Class 50 |
|
| Sideplate |
Z3500 and Z4500 |
Gray iron ASTM A48, Class 30 |
|
| Welding flange |
Z3500 and Z4500 |
Steel |
|
| Seal seat |
Z3500 and Z4500 |
Gray iron |
Stainless steel
& Ni-Resist |
| Seal metal parts |
Z3500 and Z4500 |
Stainless steel |
|
| Shaft |
Z3500 and Z4500 |
8620 Steel |
|
| Vanes and vane drivers |
Z3500 and Z4500 |
Advanced polymers |
|
| Relief valve spring |
Z3500 and Z4500 |
Stainless steel |
|
| Relief valve |
Z3500
Z4500 |
Steel
Stainless steel |
|
| Bearing |
Z3500 and Z4500 |
Steel |
|
| Thrust bearing |
Z3500 and Z4500 |
Steel |
|
| O-rings |
Z3500 and Z4500 |
Buna-N |
PTFE, Viton®, Neoprene®1 |
| Retainer rings |
Z3500 and Z4500 |
Steel |
|
1 Viton® and Neoprene® are registered trademarks of the DuPont company.
 |
Products 
