Elastomer MaterialVitonMetal Parts MaterialStainless SteelOperating Height1.688 inPressure Rating150 psiRetainer & Drive MaterialStainless SteelRotating Face MaterialCarbonSeal Head OD2 inSeat OD2.312 inSeat Seal TypeO-RingSeat Thickness0.437 inShaft Diameter1-1/2 inSpring & Spring Holder MaterialStainless SteelStationary Seat MaterialNi-resistTemperature Rating400 °FType21
| Elastomer Material | Viton |
| Metal Parts Material | Stainless Steel |
| Operating Height | 1.688 in |
| Pressure Rating | 150 psi |
| Retainer & Drive Material | Stainless Steel |
| Rotating Face Material | Carbon |
| Seal Head OD | 2 in |
| Seat OD | 2.312 in |
| Seat Seal Type | O-Ring |
| Seat Thickness | 0.437 in |
| Shaft Diameter | 1-1/2 in |
| Spring & Spring Holder Material | Stainless Steel |
| Stationary Seat Material | Ni-resist |
| Temperature Rating | 400 °F |
| Type | 21 |