Valve ball type: trunnion mounted ball valves. Body materials: a105, lf2, f11, f22. Valve manufacturing standards: api 6d. Ball valve size range: 1/2 inch-36 inch (dn15-dn900mm). Pressure: 900lb (pn150). Applicable temperature: -196 to 380 degrees celsius. Connection: flanged, butt-welded. Chinese Industrial Valve Co., Ltd is a leading manufacturer which provides industrial valves, ball valves, check valves, butterfly valves, gate valves, globe valves, plug valves and pressure relief valves and so on. If you are interested in our products, pls visit our website or email us at any time: chinese@jeawin.com and our website is : http://www.chinesevalves.com/ Any questions, please call: 86-592-5204188.