... 150-2500LB,PN6-25 Cast Steel Gate Valve With Prices 1.Size: NPS2"-24",DN50-600mm 2.Pressure: Class150-2500LB,PN6-253.Material: Cast Iron ... valves,check valves,safety valves,ball valves,butterfly valves,diaphragm valves,mud valve ect.And it has complete inspection equipment, ... ) Flanged end: BS4504, DIN 2532, JIS B2212, ANSI B16.10/ANSI B16.50Specification: 1.Drivign manner: Spur gear transmission,Bevel ...