Choose a country that suits you:Bundor-ru

Choose a country that suits you:Bundor-es

Handle operated butterfly valve maintenance

Nov 10,2018 Posted by Bundor

Industry News

Manual butterfly valve sealing cover leakage

There are three reasons:
1. The butterfly board and the sealing cover contain foreign body;
2. The closed position of the butterfly plate and sealing cover does not match;
3. The flange bolts on the outlet side are not evenly stressed.

Maintenance methods:
1. Remove impurities and clean the valve chamber;
2. Adjust the adjusting screw of turbine or actuator to make the valve in the right closed position;
3. Check the mounting flange plane and bolt compression.

Two side leakage of manual butterfly valve:
The reason: 1. Both side sealing gaskets fail;
2. The pipe flange is not tightened or not tightened;
3. The upper and lower sealing gasket of the sealing ring fails.

Maintenance methods:
1.Replace the sealing gasket;
2. Press flange bolt;
3. Remove the pressure ring of the valve and replace the sealing ring failure gasket

Let’s make something great together.Feel free to contact us by telephone or email and we will be sure to get back to you as soon as possible.

EMAIL US