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Difference between back pressure valve and safety valve
It is used to control the pressure in front of the valve, and the safety valve is used to protect the downstream equipment from high pressure damage.
2023-08-30
Common faults of pipe joint
In addition to the problems mentioned in the rubber hose assembly and steel pipe assembly, there are two common faults of pipe joint: Cracking of pipe joint and leakage caused by fitting accuracy.
2023-08-30
The safest way to replace flange gasket
Open the bypass valve, close the inlet and outlet valves at both ends of the replacement valve in turn, which are the upper and lower flow valves.
2023-08-30
Can we use quick connector to repair the damaged water pipe
The principle of quick joint of water pipe is to break the pipe or connect two pipes together by the applied force.
2023-08-30
What are the disadvantages of no hot melt quick connector
Many people are worried about the habit of water leakage of non hot melt quick connector.
2023-08-30
The usage of fire damper, ball valve, safety valve and valve
There are several types of smoke exhaust fire damper: normally open smoke exhaust fire damper, normally closed smoke exhaust fire damper
2023-08-30
Characteristics of electric stainless steel ball valve
Electric stainless steel ball valve is a new type of valve which appeared in the 1950s. In a short period of more than 30 years
2023-08-30
Maintenance methods of various ball valves
In the long-term use and management process of various safety valves, the enterprise may be damaged at the same time as the electric stainless steel flange ball valve
2023-08-30
Life of ferrule joint
In daily life, many people only pursue the use of ferrule connector, but ignore that ferrule connector also needs maintenance.
2023-08-30
Installation method of ferrule joint
saw off the seamless steel pipe with appropriate size, and the tolerance of the vertical angle between the end face and the axis of the pipe shall not be greater than
2023-08-30
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