... only with inner ring) and also in monel, inconel, alloy and other material. These gaskets are proved ... higher cost.Spiral Wound Gasket in Monel and Inconel Material:Item no.: JSG – SW50,spiral wound ... gasket in monel,inconel,alloy20 material,etc..For example: Monel 400/ ... , Copper, Brass, Nickel 200, Monel 400, Inconel 600/625/800, Hastelloy B2, Titanium (see more information in ...