Yiheng Fluid

Jiangsu Yiheng Automation Equipment Co., Ltd. manufactures pneumatic and electro-hydraulic valve actuation products, offering balanced vane type actuators in the BV series, YPW series scotch yoke actuators, rack and pinion actuators, and linear stroke pneumatic actuators with single or multiple spring returns.

The BV balanced vane design provides a highly compact 90-degree quarter-turn solution for space-limited installations, while YPW actuators deliver high torque-to-weight ratios for driving ball valves, butterfly valves, plug valves, and other quarter-turn devices. Rack and pinion models feature NAMUR-standard indicators and nickel-plated precision one-piece output shafts, with optional stainless steel and custom dimensions. The solenoid valve programme includes direct-acting 3/2-way units rated to 15 MPa with SIL2 and SIL3 capability, Ex d IIC T5 enclosure, and IP65 protection.

The company holds ISO 9001, ISO 14001, and ISO 45001 certifications, SIL product certification, explosion-proof 3C certification, and honors including high-tech enterprise recognition and a Zhenjiang enterprise engineering technology research center.