spiral wound gasket with inner and outer rings
This kind of spiral wound gasket has the quality of high mechanical strength, convenient application and high temp resistance.
This spiral wound gasket is made with stainless 304 inner ring and carbon steel outer ring.
Such kind of gaskets usually take asbestos, graphite and PTFE as spacing material, it is wound spirally wiht high quality alloy or stainless steel tape of "V" or "W", shapecross-section. They are suitable for petroleum, chemical mechanical, power and ship building industries, static sealing at connecting joints of flanges of piping valves, pumps, pressurized vessels, manholes, towers, and handholes. Because of high mechanical strength, convenient application and good temperature. They are more suitable for the situations where temperature changes intensively and frequently.
Working temperature: -200~850 degree
Working press: 0~20 MPa
Management Certification: ISO 9000/9001/9004/19011: 2000
the quality management system conforms to the standard :
GB/T19001-2000 idt ISO9001: 2000