03
2025-01
Method of judging internal leakage of natural gas ball valve
Fixed shaft ball valve is commonly used on natural gas pipelines, and its general inspection meth…
20
2024-12
Valve performance testing
1. Inspection of appearance and logoCheck content: whether the appearance of the valve has defects,…
06
2024-12
O-type ball valve and V-type ball valve difference
Ball valve has many kinds of structure, but basically the same little difference, are the opening a…
22
2024-11
Effective troubleshooting method after trap failure
In the thermal system, the thermal trap plays a very important role, and its performance directly a…
08
2024-11
Harm and protection of abnormal pressure boost in gate valve
Gate valves usually have single gate, double gate, wedge, parallel and other structural designs
01
2024-11
Valve sealing surface grinding is a key step to ensure sealing performance
The sealing performance of the valve directly affects the control effect of the fluid medium and th…
25
2024-10
Valve sealing surface material selection factors to consider
Sealing surface is the most critical working face of the valve, the quality of the sealing surfac…
10
2024-10
What are the precautions for manual operation of electric valves
The electric actuator of valve is used to control the valve. If the valve cannot be opened and…
27
2024-09
Working principle of pressure valve
Pressure valve is a device used in hydraulic system to control and regulate liquid flow pressure.
20
2024-09
Six reasons for valve sealing surface damage
Because the seal plays a role in cutting and connecting, adjusting and distributing, separating and…