Material & construction
Fixed catalogue dimensions and specified material grade; sealing function depends on the mating geometry and service.

Repeat-purchase sealing and protection products for standard piping and maintenance interfaces.
| Bolt/port size range | 1/4-1 in (6.35-25.4 mm) nominal |
|---|---|
| Construction | Steel annulus bonded to elastomer |
| Rubber selection | NBR / FKM, fixed compound |
| Dimensional control | ID × OD × thickness, catalogue series |
Industry reference selections; ordered specification requires supplier confirmation.
View catalogue page 89 ↗Fixed catalogue dimensions and specified material grade; sealing function depends on the mating geometry and service.
Lock dimensions, compound or metal grade and acceptance limits before repeat orders; retain batch traceability.
RFQ: seal size or cross-section, compound/packing grade, gland dimensions and service fluid. Confirm temperature and pressure, including gas decompression duty where relevant.
Match the actual port counterface and washer dimensions; nominal BSP, metric and inch washer designations are not interchangeable.
Separated cartons on pallets; protect threads, sealing faces and fragile parts. State gross weight per package.
Share your product IDs, quantities and operating conditions.