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Flow control valve
Product overview
The piston flow control valve is a speed regulating and pressure regulating valve developed according to the hydrodynamic characteristics. It has been widely used in power station, water diversion, water supply and other fields. The improved series of flow control valves are not only suitable for clean water, but also have good tolerance for natural rivers, lakes and mild sewage. From the design structure and material selection, the problems of scaling, jamming and large driving device of flow control valve for many years have been solved.
Product details

Technical parameter
Nominal diameter: DN400 ~ 2000mm
Nominal pressure: PN0.25 ~ 1.6Mpa
Applicable medium: water, hot water, etc
Applicable temperature: ≤ 100 ℃
Flange connection size: GB4216.2 ~ 4216.5, GB / T17241.6
Pressure test: GB / T13927


Material of main parts
Valve body, end cover, connecting rod frame, flange pipe, crank: HT200, HT250, QT450-10
Valve rod, pin and piston: 2Cr13, 1Cr18Ni9Ti
Valve body sealing ring: 1Cr18Ni9Ti
Piston seal ring: NBR
Connecting rod: QT450-10
Bearing: zcuai10fe3, zcuzn38mn2pb2
Filler: NBR






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