Mini Flow Pneumatic Control Valve

This mini flow pneumatic control valve is specially designed for tiny flow regulation. It features small trim, high regulation accuracy, good repeatability. Matched with pneumatic actuator and valve positioner, it receives 4-20mA signal. Suitable for micro-metering, reagent dosing and trace flow control in fine chemical, laboratory and pharmaceutical processes.

Manufacturing Range

    Size: DN6~DN25; Pressure rating: PN16~PN100, Class150~Class600. 

    Body material: CF8, CF8M, WCB. 

    Trim: Small orifice plug, Stellite hardfacing optional. 

    Actuator: Pneumatic diaphragm actuator with positioner. 

    End connection: Flanged / Threaded.

Design Features

    Special small flow trim, capable of ultra-low flow precise adjustment.

    Sensitive response, excellent linearity for trace flow.

    Compact structure, suitable for limited installation space.

    4‑20mA modulating signal, stable valve position feedback.

    Optional soft or hard sealing for shut‑off requirement.


Design Standards

    Design & manufacture: IEC 60534, GB/T 17213

    Flange: HG/T20592, ASME B16.5

    Inspection & test: API 598, GB/T 13927