Products

Liangfa provides rubber flap check valves designed to prevent reverse flow in water supply, drainage, sewage treatment, fire protection, and industrial circulating water systems. Available with cast iron, ductile iron, carbon steel, and stainless steel body options, these valves feature a flexible rubber sealing flap, low flow resistance, and convenient maintenance.

Liangfa provides split-type multi-turn electric actuators for automated control of gate valves, globe valves, and other compatible industrial valves. Featuring a separate mechanical drive unit and remote control box, our actuators support on-off and modulating control, with optional 4–20 mA signals and fieldbus communication.

The Explosion-Proof Multi-Turn Electric Actuator is designed for reliable valve automation in hazardous industrial environments, including oil and gas pipelines, petrochemical plants, and chemical processing facilities. With explosion-proof options of Ex d IIB T4 and Ex d IIC T4, torque outputs from 30 to 5000 N·m, and compatibility with gate, globe, knife-gate, and other multi-turn valves, it supports on-off and modulating control to meet different operating requirements.

Liangfa supplies intelligent electric actuators for automated valve control in water treatment, power generation, heating, petrochemical processing, and other industrial applications. Designed for multi-turn valves, the Intelligent Multi-turn Electric Actuator combines absolute position detection, digital parameter setting, torque protection, and flexible control options to support reliable valve operation.

Liangfa's On-off Multi-turn Electric Actuator is designed for reliable opening and closing of gate valves, globe valves, and other compatible multi-turn valves in water treatment, sewage, power generation, heating, and industrial pipeline systems. With output torque ranging from 10 to 2500 N·m, ISO5210 mounting options, and AC380V three-phase power as standard, it supports flexible configuration for different valve and site requirements.

Liangfa's QT Series Explosion-Proof Electric Actuator is designed for 90° operation of compatible butterfly valves, ball valves, and plug valves in hazardous industrial environments. With output torque from 40 N·m to 2500 N·m, ISO 5211 mounting options, and AC220V, AC380V, or customized DC24V power supplies, it supports flexible valve automation for petrochemical, gas, chemical, and water treatment applications.