Butterfly Valve Fault Analysis And Solutions (二)
In the use of butterfly valves, more or less will appear fault, now by the Outshine Valve ?to tell you about several common faults and solutions.?
The common trouble and the elimination method:
1. Before installation, make sure that the performance of the butterfly valve and the arrow of the flow direction of the medium is in accordance with the working conditions of the movement, and insert the valve cavity clean, do not allow foreign matter attached to the sealing and the butterfly plate, do not allow to close the butterfly plate before cleaning, so as not to damage the seal ring.
2. Soft sealing middle line butterfly valve installation supporting flange recommended the use of butterfly valve special flange, which can be based on the valve manufacturer's butterfly valve selection.
3. Installation in the pipeline location, the best location for vertical installation, but can not be inverted.
4.Need to adjust the flow in use, there is a worm gearbox for control.
5. Open, and close more butterfly valves, in about two months, open the worm gearbox cover, and check whether the normal butter, should keep the right amount of butter.
6.Check the connection parts require compression, that is, to ensure the sealing of the packing, but also to ensure that the valve stem rotation flexible.
7. Metal seal butterfly valve products are not suitable for installation at the end of the pipeline, such as must be installed at the end of the pipeline, the need to take assembly outlet flange, to prevent the accumulation of sealing ring, or over-position.
8. Valve stem installation and use reaction regularly check the effect of valve used, find fault, and remove it in time.
?
?
?
?
?
