After the worm gear gate valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear gate valve. Only by doing a good job of daily maintenance and mai...
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...
Ball valve is a common fluid control equipment, is widely used in petroleum, chemical, water treatment, food and other industries. This paper will introduce the structure, working principle, classi...
Before the valve is installed, the valve strength test and valve sealing test should be performed on the valve hydraulic test bench. 20% of low-pressure valves should be inspected randomly...
Dual plate check valves and rubber-sealed swing check valves are two important components in the field of fluid control and regulation. These valves play a vital role in preventing fluid back flow ...
PTFE seat butterfly valve, also known as fluoroplastic lining corrosion-resistant valves, is a PTFE resin (or profiles processed) molded (or inlaid) method in the steel or iron valve pressure parts...
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