... :1/2"-48" 2. Pressure Rating:150lbs-2500lbs 3.Standard:ASME, ANSI, API, DIN, BS, AS, JIS, JPI MaterialCarbon Steel:A105(N) C22 ... .8 ST-37.2 SQ235(Carbon Steel 20#) Stainless Steel:304 316 ... Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91Size1/2"(DN15) to 48"(DN1200)PressureClass150, 300, 600, 900 1500 and ...