What is lug butterfly valve, lug butterfly valve image

What is lug butterfly valve

The driving mode of the lug butterfly valve can be manual, worm gear, pneumatic and electric. The connection mode can be flange and clamping. The structure form can be single eccentric, central line type, double eccentric and three eccentric. The sealing structure can be soft seal and hard seal. The pressure range shall be PN0.1 to 10Mpa, and the nominal diameter shall be DN40 to 2000mm. The material can be cast steel and stainless steel, They feature threaded tapped lugs positioned on the valve flanges for bolt connections. Due to the wide range of use of the valve, the same valve in different situations and working conditions can have different collocations.

The butterfly plate of the lug butterfly valve shall be installed in the diameter direction of the pipeline. The disc-shaped butterfly plate rotates around the axis in the cylindrical channel of butterfly valve body, and the rotation angle is between 0° and 90°. The valve will be fully open when it rotates to 90°.

Lug butterfly valves are suitable for end-of-line service but a blind flange is always recommended. Lug-style butterfly valves are manufactured to be compatible with either pneumatic or electric actuation. Disc and seat material should be determined based on application and flow media.

Lug butterfly valve is widely used in SO2, steam, air, gas, ammonia, CO2 gas, oil, water, brine, lye, sea water, nitric acid, hydrochloric acid, sulfuric acid, phosphoric acid and other media of chemical, petrochemical, smelting, medicine, food and other industries on the pipeline as an adjustment and closure device.

Lug butterfly valve image

VALTECCN ( Butterfly valve suppliers & manufacturers ) specializes in manufacturing lug butterfly valves. Our valves are suitable for oil, natural gas, chemical industry, energy, refinery, and many other fields. We have excellent product quality management system with a number of international certification. Welcome to buy our products!