Lug Type Butterfly Valve
Lug type valve has simple structure, small volume, light weight, and has good fluid control characteristics. Its disc is installed in the diameter direction of pipeline, so the valves can be quickly opened and closed by rotating its disc 90 degrees.
The wafer body is easy to be connected between two pipeline flange with flange bolts, and it can be used at end in a fluid system,when installed with the seat retainer plate on the pressure side(API 609)
5. Action:
Both Lug and water valves can adjust (1/4-22.5°, 1/2-45°) and close the flow. And this two kinds can be installed with electrical actuator for more convenience.
6. Alternative:
This wafer type can be replaced by lug type in using, but the opposite is not true.
Lug Type Butterfly Valve FAQ
How Do You Install a Lug Type Butterfly Valve?
Putting the butterfly valve in the middle of the two flanges which fully welded to both ends of the pipe and locking the butterfly valve through the pipe flange with double head bolts, it should always be installed concentrically between flanges, position disk in the closed position during installation to prevent damage of disc sealing edge, Try the disc by moving it from the closed position to open and back to ensure it moves flexibly.
How Does a Lug Type Butterfly Valve Work?
Butterfly valve is a kind of valve using valve handle to open and close, the handle connects the stem ,the round disc of butterfly valve connects the stem, which rotates to drive the valve plate to open and close and regulate fluid.
What is the Construction of the Lug Type Butterfly Valve?
The constructions of the Lug type butterfly valve mainly are body, disc, stem, and seat, and its driving device.
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Jueves 28 mayo 2015
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