Berliss BSP-978A - Mechanical Seal Assembly, Type 21, 1-1/4 in Inside Dia, 1.937 in OD Seal Head, 1-7/8 in OD Mating Ri
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$25.64
Elastomer MaterialBunaMetal Parts MaterialStainless SteelOperating Height1.062 inPressure Rating230 psiRetainer & Drive MaterialStainless SteelRotating Face MaterialCarbonSeal Head OD1.937 inSeat OD1.765 inSeat Seal TypeCupSeat Thickness0.365 inShaft Diameter1-1/4 inSpring & Spring Holder MaterialStainless SteelStationary Seat MaterialCeramicTemperature Rating225 °FType21A
Specifications
| Elastomer Material | Buna |
| Metal Parts Material | Stainless Steel |
| Operating Height | 1.062 in |
| Pressure Rating | 230 psi |
| Retainer & Drive Material | Stainless Steel |
| Rotating Face Material | Carbon |
| Seal Head OD | 1.937 in |
| Seat OD | 1.765 in |
| Seat Seal Type | Cup |
| Seat Thickness | 0.365 in |
| Shaft Diameter | 1-1/4 in |
| Spring & Spring Holder Material | Stainless Steel |
| Stationary Seat Material | Ceramic |
| Temperature Rating | 225 °F |
| Type | 21A |
BSP-978A