consists of non-asbestosjoint gasket,expanded graphite gasket, etc. cushion material having exposed surface covered with PTFE envelope. Depends on excellent corrosion resistance and compression resilient. It is widely used in strong alkalis. Cryogenic fluids, oxygen, chlorine gas, and disallowable polluted medium, etc.
PTB-85 (Y) Y Type,PTFE dise in center from out side.
PTB-85(C) CType,PTFE tape heat sealed at one joint.
PTB-85 (U) U Type,PTFE sheet mashine cut to envelope form
Cross section (℃)
Max Temperature (kgf/cm2)