Six reasons for valve sealing surface damage

Because the seal plays a role in cutting and connecting, adjusting and distributing, separating and mixing media on the valve channel, the sealing surface is often subjected to medium corrosion, erosion, wear and easily damaged.

Method of preventing the regulator from getting stuck or blocked frequently

01, cleaning methodThe welding slag, rust, and residue in the pipeline cause blockage or jam in the throttle orifice, guide part, and balance hole of the lower valve cover, resulting in strain and scratch on the spool surface and guide surface, and indentation on the sealing surface.

Valve daily maintenance guide

Valves are not only widely used in various industries, but also the use of different environments, and some valves in harsh working environments are prone to problems.

What is the difference between the use of butterfly valve and gate valve?

According to the role and use of gate valve and butterfly valve, the flow resistance of gate valve is small, and the sealing performance is good,

How much do you know about the 9 misunderstandings of valve installation?

Do you know the 9 misunderstandings of valve installation? Lets take a look!

What defects are prone to valve castings?

1. StomataThis is a small cavity formed in the metal by the gas that fails to escape during the solidification process, its inner wall is smooth,

Valve common problems "High pressure drop"

Due to the difference in upstream and downstream pressure, the flow of material through the valve is called pressure drop (△P) or differential pressure.

Gate valve leakage cause analysis and treatment measures

10 problems often encountered in the use of valves

01 Why is the two-seat valve easy to oscillate when working with small opening?For a single core, when the medium is flow open, the valve stability is good; When the medium is flow closed type, the stability of the valve is poor. The double-seat valve has two spool, the lower spool is in the flo…

Commonly used material heat treatment process of valve body

Valve body blank heat treatment process according to different materials are as follows:1. Heat treatment of gray cast iron