Leqihao Technology (Shanghai) Co., LTD.
Leqihao Technology (Shanghai) Co., LTD.

Maximize Profit with Reliable Check Valves - High Demand, Low Maintenance

Boost your portfolio with durable check valves offering high market demand and excellent profit margins.
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A check valve allows fluid to flow in one direction only, preventing backflow. It operates automatically, reducing the risk of contamination and damage. Common types include swing, lift, and ball check valves. It is essential in plumbing, wastewater, and chemical industries for system safety.

Types of Check Valves We Manufacture

Essential Check Valve Types for Industrial Applications

Our check valves include swing, lift, and butterfly check valves, each designed for specific flow control needs in water systems, chemical processing, and waste management. The automatic operation prevents backflow contamination while maintaining system pressure. All designs comply with international safety standards for industrial valve performance.

Compact Lift Check Valves for Vertical Installations

Engineered for space-constrained applications, our lift check valves offer:

  • Piston-guided disc movement

  • Spring-assisted closing for vertical piping

  • API-compliant sealing
    Particularly effective in boiler feed systems and HVAC refrigerant lines.


Get To Know More About LQH
Get To Know More About LQH
L-Q-H Driven: Long-lasting durability, Quality-centered precision, High-performance reliability. Trusted by global industries.