Lens Gasket
Lens gasket has a convex profile of Ring joint gasket. Temperature:800 Pressure:32Mpa 
Material:Soft Iron, carbon steel, F5,SS304,SS304L,SS316,SS316L. 
Standard:JB90-95,JB2776-79 JB2777-79 DIN2697-97
DIS JIS,ASME, API,ANSI