Combined Washer

It is made of rubber ring and metal ring by integral bonding and vulcanization. It is a sealing ring used to seal thread and flange connection. The ring includes a metal ring and a rubber gasket. The metal ring is rust-proof, and the rubber ring is generally made of oil-resistant nitrile rubber or fluororubber. The combination pad has two sizes, metric and English, and the combination form of metal pad and rubber specified in standard JB982-77. The combined sealing washer is used for the sealing of threaded pipe joints and screw plugs. It is generally used together with the ferrule type pipe joints to plug the oil ports. It is mainly used for the static sealing of the end faces at the threaded joints of hydraulic valve pipe joints. It is applicable to the static sealing of the end faces at the connections of British and American standard metric threads and French and German standard metric threads. The combined sealing gasket can be divided into Type A and Type B according to its structure; It can be divided into full package and half package according to the difference of glue package.