... wheel, gear, square head.5.Standard: GB,DIN,JIS,ANSI,BS.6.Suitable medium:water,oil.air etc7.Long service ... professional manufacturer of valve.Our products include globe valves,check valves,safety valves,ball valves,butterfly valves,diaphragm valves,mud valve ect.And it has ... ) Flanged end: BS4504, DIN 2532, JIS B2212, ANSI B16.10/ANSI B16.50Specification: 1.Drivign manner: Spur gear transmission,Bevel ...