GOST R 52376-2005 spiral wound gaskets, heat-resistant. Types. Basic dimensions

The standard covers the spirally-wound heat-resistant gasket with a sealing ring in the form of a spiral wound V-shaped alternating layers of stainless stalnoylenty and filler of expanded graphite or limiting ring outside, inside or both sides of the sealing ring compounds valves, fittings and piping Performances sealing surfaces 1-5, 8. 9 according to GOST 12815, rated (nominal) pressure PN from 0.1 to 20.0 MPa (1 to 200 kgf / cm2), the operating temperature of minus 253 degrees. C to plus 600 degrees. C, nominal width (nominal size) DN 10 to 3000 mm.