Lug Butterfly Valve DN50-DN300

Why Choose a Lug Style Butterfly Valve from Yaxing?

When selecting a lug style butterfly valve for industrial applications, precision, durability, and engineering flexibility are key. At Yaxing Valve, we offer a full range of high-performance lug type butterfly valves. Here's why global buyers and engineering professionals consistently choose Yaxing:

1. True Isolation Capability with Easy Maintenance

Our lug style butterfly valves feature multiple threaded lugs (ISO standard spacing) around the valve body, enabling secure bolt-to-flange installation and allowing single-side pipeline isolation. This design is ideal for systems where frequent maintenance or partial shutdowns are required—without interrupting the entire line. 

2. Wide Range of Material Configurations for Harsh Environments

Yaxing provides customized lug style butterfly valves with varied material selections tailored to your media and operating conditions:

  ● Valve Body: Cast iron, ductile iron, or epoxy-coated options

  ● Disc Options: Stainless steel, aluminum bronze, ductile iron with nylon or PTFE coating

  ● Seat Materials: EPDM for potable water, NBR for oil, PTFE for chemical resistance

3. Pneumatic and Electric Actuation Ready

All Yaxing lug type butterfly valves can be configured for manual, pneumatic, or electric operation. Our valves are available with ISO 5211 mounting pads, ensuring seamless integration with actuators. We support:

  ● Double-acting and spring-return pneumatic actuators

  ● Electric actuators with modulating or on/off control

  ● Add-ons like limit switches, position indicators, and solenoid valves for automation systems

4. Pressure Ratings & Performance Tested

Every lug valve is tested in accordance with API 598 / EN 12266-1 standards for pressure and leakage. Standard working pressure reaches: Up to 16 bar (PN16) for general industrial use. Customized ratings for low or high-pressure systems upon request

5. Ideal for Industrial Use Cases

Our lug style valves are widely adopted in:

  ● Chemical processing lines requiring corrosion-resistant flow control

  ● Cooling water systems in power plants and factories

  ● Water and wastewater treatment plants

  ● Marine and offshore applications where single-side maintenance is essential

  ● HVAC piping systems requiring easy actuator integration

6. Customization and OEM Capability

Yaxing supports a variety of custom OEM valve solutions based on client drawings or functional requirements. Whether it’s: Custom flange dimensions, Non-standard pressure class, Multi-function actuator assemblies. We work closely with your engineering team to tailor the valve to your system, ensuring seamless installation and optimal performance.