A semi-metallic flat gaskets LT-8021 metal spiral wound gasket is made of metal and non-metal band with a spiral winding made of composite has good compression, resilient, non-adhesive flange sealing surface, and thus easy disassembly Can part to eliminate stress, changes in temperature and mechanical vibration; can in the harsh conditions of high temperature, low temperature, high vacuum, shock and vibration, maintaining excellent sealing performance For: various types of pipes, valves, pressure vessels, condensers. , heat exchangers, towers, manholes, hand holes, process piping static sealing parts Applicable industries: petroleum refining, petrochemical, metallurgy, electricity, gas, nuclear, aerospace, textile, pharmaceutical, shipbuilding, machinery and other industries. spiral wound gasket Max size: ~ 3000mm; special specifications or various non-standard according to customer requirements to develop. Spiral wound gasket filler material: steel material inner outer packing material asbestos graphite carbon steel SUS 304 SUS 316 SUS 304 SUS 304 tetrafluoroethylene SUS 316L SUS 316 SUS 316 filling material Temperature (° C) applies pressure graphite - 240 ~ 550 30MPa asbestos -150 ~ 450 15MPa tetrafluoroethylene -150 ~ 280 15MPa spiral wound gasket can be divided into the following forms: basic wound gasket (A-type) spiral wound gasket with inner ring type (B-type) with positioning spiral wound gasket ring (C-type) with inner and outer ring spiral wound gasket (D type)