Elastomer MaterialVitonHead TypeCrimpedMetal Parts MaterialStainless SteelOperating Height0.875 inPressure Rating230 psiRetainer & Drive MaterialStainless SteelRotating Face MaterialCarbonSeal Head OD1.187 inSeat OD1.375 inSeat Seal TypeO-RingSeat Thickness0.406 inShaft Diameter3/4 inSpring & Spring Holder MaterialStainless SteelStationary Seat MaterialSilicon CarbideTemperature Rating400 °FType21A
| Elastomer Material | Viton |
| Head Type | Crimped |
| Metal Parts Material | Stainless Steel |
| Operating Height | 0.875 in |
| Pressure Rating | 230 psi |
| Retainer & Drive Material | Stainless Steel |
| Rotating Face Material | Carbon |
| Seal Head OD | 1.187 in |
| Seat OD | 1.375 in |
| Seat Seal Type | O-Ring |
| Seat Thickness | 0.406 in |
| Shaft Diameter | 3/4 in |
| Spring & Spring Holder Material | Stainless Steel |
| Stationary Seat Material | Silicon Carbide |
| Temperature Rating | 400 °F |
| Type | 21A |