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Description of the function and scope of application of combined sealing gaskets

by:Tronshal     2022-02-22
The washer is the part that is placed between the connected part and the nut. It is generally a flat metal ring, which is used to protect the surface of the connected piece from being scratched by the nut, and to disperse the pressure of the nut on the connected piece. 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 screw 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.
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