1.THREADED END : BSPT, NPT, DIN259, DIN 2999 2.Materials : ASTM A351-CF8M(DIN 1.4408) Stainless Steel 3.High Quality Investment Casting Body/Cap. 4.Pressure temperature Rating : 200 PSI(PN16)/350deg. F. 5.Screwed Cap, Swing-Type Disc, Integral Seat.