Control Valve Suppliers & Manufacturers in China

Control valves are the final element in a regulating loop: the actuator moves a plug, cage or butterfly disc to hold flow, pressure, temperature or level at a set point. Unlike an isolation valve, a control valve is selected for its flow characteristic, rangeability and response, not just its pressure rating.

Buyers comparing control valve suppliers should look at the valve type (globe, cage-guided, eccentric plug, butterfly or ball), the actuator (pneumatic diaphragm, piston, electric or hydraulic), the positioner and fail-safe action, the body and trim materials, and the noise and cavitation behaviour at the duty point. Sizing data — flow rate, pressure drop, medium and temperature — matters more than a catalogue size, so ask for a sizing sheet rather than choosing by bore alone.

The manufacturers below publish parameters you can filter and compare; open a product to see them, then contact the exhibitor for a quote or a technical review. The 2027 Wenzhou valve show lets you compare actuators and trim sets in person; pre-register for a free visitor badge and bring your loop data.