Pneumatic Diaphragm Three-Way Control Valve

This pneumatic diaphragm three-way control valve has three-port body structure, including mixing type and diverting type. Equipped with spring diaphragm actuator, it realizes medium mixing or splitting control. With stable performance and high regulating precision, it is widely used for temperature control in heating, cooling and heat exchange systems.

Manufacturing Range

    Size: DN20~DN200; Pressure rating: PN16~PN63, Class150~Class300. 

    Body material: WCB, CF8, CF8M. 

    Type: Mixing (3-way mixing) / Diverting (3-way diverting). 

    Seal: Metal hard seal / PTFE soft seal. 

    Accessories: Positioner, air filter regulator, limit switch.

Design Features

    Three-way integrated valve body, mixing or diverting function optional.

    Spring diaphragm actuator, fast response and stable output.

    Linear flow characteristic, suitable for heat exchanger temperature regulation.

    Compact structure, reduce pipeline fittings and save installation space.

    4-20mA signal control, valve position feedback available.


Design Standards

    Design & manufacture: IEC 60534, GB/T 17213

    Flange: HG/T20592, ASME B16.5

    Inspection & test: API 598, GB/T 13927