it is suitable for sealing spots where the alteration of temperature and pressure are frequent. Standard Spiral Wound Gasket DescriptionSUNWELL SW600 spiral wound gasket is formed of V-shapedMetallic strip and soft non-metallic filler. Support rings, inside andOutside the spiral, improve the gasket's handing, fitting andVersatility.Depend on its excellent compression resilience, it is suitable ...