Material: stainless steel AISI316/304, ASTM A315 CF8M/CF8 Threads: ANSI B1.20.1(NPT),BS ZI,(PT,BSP) DIN:2999/259 Dimension: MSS-SP-114,ISO49-1983 Rating: 150PSI on pipe fittings; PN10 on compression unions Size: 1/8"-4" Temperature: -60 ~ 450 F Advantages : Produced from investment casting through in-house lost wax process foundry;