InstallationCenter the valve by inserting bolts into the top of the flange first (Figure 3 labeled 1)Insert bolts on the bottom of the flange (Figure 3 labeled 2)Insert the remaining boltsTighten the bolts crosswiseWhen both faces of the butterfly valve touch the pipe flange faces, installation is complete.
What is a butterfly valve?
[email protected] 8/21INTRODUCTION Butterfly Valves are commo ly used in water transmission and distribution. This manual will provide you with the information needed to properly install, operate, and main ain the valve and to provide long service life. The rubber seat provides a 'zero le
Make sure the pipe is well aligned. Make sure the gap between the pipe flanges is wide enough for the butterfly valve to fit without needing to force the valve into the gap. If the valve is forced through the gap, the liner may be dislodged from the valve. If the gap is not wide enough, use a spreader (e.g., hydraulic spreader) to increase the gap.
Yes, a butterfly valve can be installed vertically, but ensure the disc is aligned properly to avoid flow obstruction. What are common mistakes when installing a butterfly valve?
The following periodic preventative maintenance practices are recommended for all But-terfly Valves: Operate the valve from fully open to fully closed to assure operability. Check flange bolting for evidence of loosening and correct. Inspect the valve and surrounding area for previous or existing leakage at flange faces or shaft connections.
The manual provides customers and end-users with all information with regards to the storage, installation, operation and maintenance of Weidouli Butterfly Valves. This manual should be used in conjunction with practical measures learned from both maintenance and operational experience.
What happens if a butterfly valve is not installed correctly?
Incorrectly installed butterfly valves can leak or not open/close properly, causing issues for the system. These valves are vital components in various industries, from water distribution to chemical processing, due to their simple design and ability to manage flow with minimal pressure drops.