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Specification: Spiral wound gasket Aiflon spiral wound gasket (SWG) consists of a thin metallic strip and soft non-metallic filler that are simultaneously wound on a rotating mandrel. the metal hoop is pre-formed with a V or W shaped profile, which allows the gasket to act as a spring between the flanges. Further, the hoop provides the basic structural element for the gasket while the non-metal filler material seals small imperfections on the flange surfaces. depend on its excellent compression resilient, it¡¯s suitable for sealing spots where the alteration of temperature and pressure are frequent, such as pipes, valve, pumps ***** are available in all standard the flanges of sizes, *****, API, DIN, JIS, JPI, BS etc. Style Construction Flange Hoop material Filler Inner & outer material Size (mm) Thickness (mm) Material Code V W ***0 Basic type Tongue and Groove **4(L), **6(L) **1 Ta Nickel Mon**0 Inconel etc. Asbestos Graphite PTFE Mica Ceramic ASB FG PTFE MICA CER Carbon steel **4(L) **1 **6(L) Ta Nickel, Mon**0 Inconel etc. *6~***0 3.2 4.5 6.5 4.8 5.5 7.5 ***0 IR With inner ring Male and Female ***0 OR With outer ring Raised face Flat face ***0 IOR With inner, outer ring ***0 H For heat exchanger Heat exchanger