Gasket For flange pipe fitting: We classify our gasket according to both material and composition: Semi Metal Gasket----Spiral Wound Gasket(hot!), Metal Jacketed Gasekt, Kammprofile Gasket, Heat exchanger gasket Metal Gasket----Metal serrated gasket, Metal corrugrated gasket, Metal ring joint gasket(RTJ), oval gasket, octagonal gasket, Metal flat gasket Graphite Gasket----Flexible graphite gasket, Graphite composite gasket with reinforce, Graphite filling ring, Die-formed graphite ring, PTFE Gasket-----Pure PTFE Gasket, PTFE Envelope Gasket Compressed Non-asbestos Gasket---Klinger non-asbestos gasket, Tesnit non-asbestos gasket, Belpa non-asbestos gasket, Common non-asbestos gasket(made in china), Abnormal non asbestos gasket Rubber Gasket----O ring, Rubber gasket Note: We can produce some gasket according to the drawing based on our sets of equipments, please check with our tech departments if you need.