Investment Casting Body Size: 1/4?2?DN 8-DN50 , Reduced Port Preasure Rating: 800WOG(PN55) Or 1000 WOG (PN63) Temperature Rating: -60F ~ 450F Threaded End: BSPT , BSP, NPT, DIN2999 100% Tested Air Under Water at 100 PSI (6Bar) Hydrostatic Test Pressure:1500PSI Body: ASTM A351-CF8M( DIN1.4408) Stainless Steel ASTM A351- CF8 (DIN 1.4308) Stainless Steel ASTM A216-WCB (DIN 1.0619) Carbon Steel