Vatac Marine Cast Steel Butterfly Valves are designed and manufactured to JIS Standard, including Wafer, Full Lug and Double Flanged Type, Applicating for Air, Gas, Oil and plusation water, Standard steam, non-shock water up to 120 Deg. C and so on, Certification to 3.1 available on request.                                                                                               http://www.vatacvalve.net/