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China, Chinese Pneumatic Diaphragm Double Seat Control Valve1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
ValveControl ValvePneumatic Globe ValveDouble Seat Control Valve
HENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO., LTD.
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Product Description Pneumatic diaphragm double seat control valveThe pneumatic diaphragm control valve is the actuator in the pneumatic unit combination instrument, and is one of the important links in the automatic adjustment system of the production process. Its function is to accept the control signal pressure from the pneumatic regulator (or the electric regulator output through the electro pneumatic conversion), change the opening of the valve, change the flow of the medium, and adjust the parameters of the flow, pressure, temperature and liquid level, so that the production process can run normally according to the predetermined requirements and realize the production process automation.he pneumatic diaphragm control valve consists of two parts: pneumatic actuator and control valve. The actuator is the actuator of the valve, which is driven by compressed air and output thrust; the regulating valve is the regulating part of the actuator, which directly contacts with the medium and regulates the flow of the medium.Product features1. The medium only contact with the valve body and diaphragm, no need for stuffing box, so there is no stuffing box leakage problem, no corrosion on the stem part of the valve;2. The lining is made of polytetrafluoroethylene and other materials, which can be used in corrosive working conditions;3. The valve body and cover is separated by the intermediate diaphragm, so that the cover above the diaphragm, the stem parts are not subject to media erosion;4. The diaphragm can be replaced, low maintenance costs;5. Due to the limitations of the diaphragm and lining materials, generally only applicable to pressure less than 1.6MPa, temperature less than 150 oC working conditions.SPECIFICATIONDesign and manufacturing standardsANSI/ASME B16.34, BS1873.Face to face standardANSI/ASME B16.10Flange connection standardANSI/ASME B16.5Welding standardANSI/ASME B16.25. Size2"~8 " DN25~DN200PressureClass 150 PN0.6~PN1.0Valve body materialHT200, WCB (A105), CF8(304), CF8M(316), CF3(304L), CF3M(316L), etc.Diaphragm materialneoprene, fluorine plasticConnectionflange, weldDriving methodmanual, electric, pneumatic APPLICATIONit is widely used in the automatic regulation and remote control of industrial production process, such as chemical, petroleum, metallurgy, electric power, light textile and so on.
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