Semi- jacketed type is used when the outside of the gasket must be exposed to the pressure created by the fluid. The inner filler is surrounded by a piece of metal, but the outer filler is exposed as is, and it is manufactured by 1 to 3-point welding.
Material | m | y |
---|---|---|
Soft aluminum | 3.25 | 5,500psi |
Soft copper or brass | 3.50 | 6,500psi |
Iron or soft steel | 3.75 | 7,600psi |
Monel | 3.50 | 8,000psi |
4%~6% chrome | 3.75 | 9,000psi |
Stainless steels and nickel-base alloys | 3.75 | 9,000psi |