1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
1. Before installation, it is necessary to carefully check whether the logo and certificate of the butterfly valve meet the requirements of use, and should be cleaned after verification.
2. The but...
Butterfly valves are suitable for pipelines that transport various corrosive and non-corrosive fluid media in engineering systems such as coal gas, natural gas, liquefied petroleum gas, city gas, h...
1 Treatment method for increasing pneumatic valve leakage
If the case of the valve spool is worn to reduce the leakage of the valve, it is necessary to clean and remove the foreign body; if the pre...
Valve sealing material is an important part of valve sealing. What are the valve sealing materials? We know that valve sealing ring materials are divided into two categories: metal and non-metal. T...
Flanged Type Static Balancing Valve
Flange static balance valve is a major hydraulic balance product used by hVAC water system to ensure high-precision flow pre-regulation, to ensure that the whole...
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