The metal ring is rust-proof, and the rubber ring is generally made of oil-resistant nitrile rubber or fluororubber. Combination pads are available in metric and inch sizes, and the standard JB982-77 specifies the combination of metal pads and rubber. Combination sealing washer is used for threaded pipe joints and plug sealing. It is generally used with ferrule type pipe joints to block oil ports. It is mainly used for end face static sealing of threaded joints of hydraulic valve pipe joints. It is suitable for British and American standards. Inch thread and end face static seal at French and German standard metric thread connections, etc. The combined sealing gasket can be divided into A type and B type according to the structure; it can be divided into full package and half package according to the difference of rubber.

     Instructions for use

It is suitable for the pressure system sealing of welding, ferrule, expansion pipe joint, screw plug and mechanical device in the pipeline system with oil as the medium, in order to prevent the leakage of oil, fuel, water and medicine. Because of its simple structure, high sealing efficiency and low price, it is widely used in machinery manufacturing.