In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
In industrial piping systems, filters act like loyal guardians, protecting core equipment such as valves, pump bodies, and instruments from impurities. Y-type filters and basket filters, as the two...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
Valve foundation
1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN
2. Basic function of the valve: cut off the connected medium, adjust the flow rate, and change...
In piping systems, the selection and installation location of valves are crucial to ensuring the smooth flow of fluids and the safety of the system. This article will explore whether check valves s...
Preparation before operation
Before operating the valve, you should read the operating instructions carefully. Before operation, you must be clear about the flow direction of the gas, you should ...
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