Valve type: 1-piece body, 2-piece body, 3-piece body. Manufacturing standards: api, ansi, bs, din. Ball valve size range: from 1/8 inch to 2-1/2 inch (dn6mm - dn65mm). Pressure: 800 wog, 1000 wog. Applicable tempt.: from -29 degrees c to 150 degrees c. Connection: threaded, socket-welded. Valve body materials: stainless steel 304, 304l, 316, 316l. 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.