Butterfly Valve Article
  1. Home
  2. Blog
  3. Butterfly Valve Article

Large Diameter Butterfly Valve Common Several Failure Elimination Methods

14 views Source: VALTEC China Valve Manufacture CO.,LTD

The butterfly valve is a fluid switch with a disc type opening and closing member turning back and forth about 90 degrees, usually in liquid, gas, and other fluid pipeline systems as a blocking open, flow adjustment valve and damping valve function, large diameter butterfly valve refers to the valve with a diameter greater than 100cm or more.

Large Diameter Butterfly Valve
Cause of failure: sealing surface leakage, butterfly valve's butterfly plate, sealing ring entrapped with impurities.

Elimination method: eliminate impurities, clean the valve cavity.

Cause of failure: Butterfly valve's butterfly plate, seal off the position of incorrect coincidence.

Elimination method: adjust the worm gear or electric actuator and other actuator limit screws to achieve the correct valve closing position.

Cause of failure: The export is equipped with flange bolts are stressed or not pressed.

Elimination method: check the mating flange plane and bolt compression force, should be evenly pressed.

Cause of failure: test pressure direction is not as required.

Eliminate method: according to the direction of the arrow for installation.

Cause of failure: Both sides of the sealing gasket failure.

Elimination method: replace the sealing gasket.

Cause of failure: Uneven compression force or uncompressed pipe flange.

Elimination method: press the flange bolts or re-tighten the bolts with uniform force.

Through the above common butterfly valve failure is not difficult to find, these are because of the large-diameter butterfly valve do not understand and caused, therefore, proper maintenance and understanding of the equipment, or can avoid failure so that the large-diameter butterfly valve to play its true role, to provide security for the working conditions!

VALTECCN is a manufacturer of conventional butterfly valves and large diameter butterfly valves, contact us now for free technical support on butterfly valve selection, quotations and more!

Learn More:

REALTED POSTS

Butterfly Valve for Wastewater Treatment

What Does the Valve Arrow Mean on the Butterfly Valve Body?

Butterfly Valve Stem Leakage Causes Analysis and Solutions

China Duplex Butterfly Valve Introduction

Can hot water pipes be fitted with butterfly valves?

Desulfurization and denitrification butterfly valve working principle, characteristics, application introduction

REALTED CASES

EPDM Seat butterfly valve PN16 Sold to Dubai

REQUEST A QUOTE
Contact Information

For inquiries about valve products or pricelist, please leave your email to us and we will be in touch within 24 hours.
We would like to serve you in the best possible way.

Fill in the error, please re-fill and submit!

  • E-mail address entered is invalid.