Carbon Steel Butterfly Valve 1.Size:DN25-4000 2.Pressure:ANSI 125,JIS10K, PN0.6MPa 3.ISO9001-2000 4.Good quality Carbon Steel Butterfly Valve1.Size:DN25-4000 2.Pressure:ANSI 125,JIS10K, PN0.6MPa 3.ISO9001-2000Carbon Steel Butterfly ValveComprised of electric actuator and low-load butterfly valve. Simple structure, large diameter, light weight and large CV. Applicable to metallurgy and glass ...