combination pad

Combination gasket, also known as combination sealing gasket, is a sealing gasket composed of a metal outer ring and a rubber inner ring. It is mainly used for sealing threaded joints, oil plugs, flanges, and oil pipes.

feature

Easy to install, with built-in centering, not prone to misalignment during installation

Metal outer ring is pressure resistant and anti extrusion, while rubber inner ring is sealed and leak proof

Good sealing and pressure resistance, suitable for hydraulic, oil, and air circuits

For metric and imperial standard parts, with diverse specifications and strong universality

Common materials

Outer ring: Cold rolled steel, galvanized iron, stainless steel

Inner ring: Nitrile rubber (NBR, commonly used for oil resistance), Fluorine rubber (FKM, high temperature resistance (based on actual reports))

main purpose

Hydraulic oil pipe joint

Transmission and engine oil plugs

Valve block, pump body, flange interface

Sealing of oil circuits in automobiles, construction machinery, and machine tools