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

Butterfly Valve Stem Leakage Causes Analysis and Solutions

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

Butterfly valve is one of the valves commonly used in industrial production, and has a wide range of applications in many fields such as industry and electricity. The problem of valve leakage is a serious threat to production safety. One of the valve stem leakage, which is a common problem, the article discusses the preventive measures for butterfly valve leakage by analyzing the causes of butterfly valve stem leakage.

Butterfly Valve Stem Leakage
Improper installation of O-ring or bottom bushing

Solution: This can be solved by replacing the O-ring or bushings.

Storage and inspection problems

The valve is stored in the open warehouse for a long time, and the packing on its stem is aging by sun and rain, and the packing becomes dry and hard. Some installers do not make careful and thorough inspection and maintenance before installation, so that the valve is installed in the pipeline, a water, the valve stem leakage occurs.
Solution: Regularly check and maintain daily protection, and deal with aging in time.

Improper handling and lifting operations

Large and medium-sized valves in handling lifting, the wrong use of the hand wheel on the stem as a lifting point, resulting in lateral bending and deformation of the stem, resulting in leakage. Especially the valves above DN300 are more bulky, handling in the collision can also make the stem deformation, resulting in stem leakage.
Solution: In the handling of the valve, loading and unloading, installation and storage everywhere to comply with the relevant regulations to avoid man-made damage.

Improper installation environment

Common low-pressure valves are sometimes installed in corrosive places, resulting in long-term immersion of the valve, the stem sealing surface leaching, accelerating corrosion, resulting in leakage.
Solution: For corrosive environments, choose suitable materials that can resist corrosion. If you are not sure what material to choose, you can consult VALTECCN VALVE, a professional technical team to help you solve the butterfly valve selection.

Thank you for reading our article, we hope it can help you better understand the causes of valve seal failure and leakage. If there are other questions or butterfly valve product purchase needs, you can provide photos of the butterfly valve leakage site, we will find a solution according to your actual situation, only in the early stage of good butterfly valve selection, correct installation and operation, and good daily maintenance work to avoid butterfly valve leakage.

Learn More:

REALTED POSTS

Professional CE Approved Wafer Type Butterfly Valve Supplier and Manufacturer

Signal Butterfly Valve: Different From Ordinary Valve Introduction and Recommendation

Butterfly Valve VS Gate Valve Difference Comparison

Butterfly Valve with Vulcanized Rubber Lined: Why Choose It, What Are Its Advantages?

Difference Between Ductile Iron Disc and Stainless Steel Disc of Butterfly Valve

Butterfly Valve Pressure Test

REALTED CASES

VALTECCN Butterfly Valve Sales to Russia for Business

European Customer Feedback on Bronze Butterfly Valve

Mexico Customer Purchased Butterfly Valves From VALTECCN Again

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.