Elastomer MaterialBunaMetal Parts MaterialStainless SteelOperating Height1.625 inPressure Rating150 psiRetainer & Drive MaterialStainless SteelRotating Face MaterialCarbonSeal Head OD1.812 inSeat OD1.75 inSeat Seal TypeCupSeat Thickness0.437 inShaft Diameter1-1/8 inSpring & Spring Holder MaterialStainless SteelStationary Seat MaterialNi-resistTemperature Rating225 °FType21
| Elastomer Material | Buna |
| Metal Parts Material | Stainless Steel |
| Operating Height | 1.625 in |
| Pressure Rating | 150 psi |
| Retainer & Drive Material | Stainless Steel |
| Rotating Face Material | Carbon |
| Seal Head OD | 1.812 in |
| Seat OD | 1.75 in |
| Seat Seal Type | Cup |
| Seat Thickness | 0.437 in |
| Shaft Diameter | 1-1/8 in |
| Spring & Spring Holder Material | Stainless Steel |
| Stationary Seat Material | Ni-resist |
| Temperature Rating | 225 °F |
| Type | 21 |