sprial wound gasket is used for pape with matel and PTFE or graphite or asbestos winding for the high temperature.

sprial wound gasket is used for pape with matel and PTFE or graphite or asbestos winding for the high temperature with good sealing function , usually  It has outer ring and inner ring or the location on the flang .it's very good for the petrol -chemical industry and big and heavy industry of pipe .

spiral wound gasket with outer ring