Lug Butterfly Valves

Industrial Lug Style Butterfly Valves

Lug butterfly valves are a popular choice in industrial piping systems where secure installation and easy maintenance are essential. Designed with threaded lugs around the body, these valves can be installed directly between two flanges using bolts, providing a tight seal without the need for additional hardware. This setup also allows for one side of the piping system to be disconnected without disturbing the other, making lug style butterfly valves highly valued in applications requiring frequent inspection or replacement.

How Lug Butterfly Valves Work

A lug butterfly valve operates by rotating a disc within the valve body to regulate flow. In the open position, the disc aligns with the pipe to allow unrestricted passage of fluid. Turning the handle or actuator rotates the disc to restrict or fully stop flow. The lug design gives the valve strong anchoring capabilities, allowing it to withstand higher pressure conditions compared to wafer-style butterfly valves.

Common Applications

Industrial users often rely on lug type butterfly valves in:

• Water treatment and wastewater systems

• Oil, gas and chemical pipelines

• HVAC systems requiring flow control and isolation

• Power plants and processing facilities where reliability and serviceability are critical

Material Options

Lug butterfly valves are available in a range of materials, including cast iron, carbon steel and stainless steel. Stainless steel lug butterfly valves are preferred for corrosive or chemical-rich environments, while cast iron or carbon steel are often chosen for general industrial applications. Selection depends on system media, temperature and pressure requirements.

Benefits Of Lug Butterfly Valves

• Strong mechanical connection for higher-pressure use

• Allows downstream maintenance without shutting down the entire system

• Compact design compared to other valve types

• Available in multiple materials and sizes to suit different industries

Trupply’s Range of Lug Butterfly Valves

At Trupply, we supply lug butterfly valves trusted by engineers and industrial buyers across the USA. Our collection is designed to meet the needs of waterworks, processing plants and energy systems that demand durable, reliable valves. Explore our selection of lug style butterfly valves to source the right fit for your project with confidence in quality and long-term performance.