Spiral wound gaskets are made by winding V-sharp metal strips and soft filler material such as flexible graphite, non asbestos or PTFE. Ideal for standard flanges, heat exchangers, boiler handholes, manholes and other high temperature, high pressure applications.
Maximum operating temperatures of facing materials
Compressed non-asbestos fibre: 500°C
Flexible graphite (oxiding media): 500°C.
Flexible graphite (inert/reducing media): 600°C.
Flexible graphite (steam): 650°C.
PTFE: 260°C.
Operating pressure: 350bar
Metal winding strips
Standard materials: Stainless steels 304(L), 316(L).
Other materials: Stainless steels 310, 320, 321. Monel, Nickel, Inconel
Outer and Inner rings
Standard material: Carbon steel.
Other materials: Stainless steels 304(L), 316(L), 320, 321.
Standards and Dimensions
our spiral wound gaskets are manufactured in accordance with ASME B16.20, BS, JIS and DIN standards for use in all industry flanges.
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