Working principle of various shut-off valves
Stop valve, also known as shut-off valve. During the opening and closing process, the friction between the sealing surfaces is small, relatively durable, with a small opening height, easy...
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Stop valve, also known as shut-off valve. During the opening and closing process, the friction between the sealing surfaces is small, relatively durable, with a small opening height, easy...
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The PN and Class we usually use are a representation of pressure. The difference is that the pressure they represent corresponds to different reference temperatures. The PN European system refers to...
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General regulations for valves and pipelines1. When the outlet pipe diameter of fire pump is greater than 300mm, the valve with single manual opening and closing function shall not be used. The valve ...
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Among users who use large-diameter globe valves in their daily lives, there is often a problem that they are difficult to close when used on media with large pressure differences, such as steam, high-...
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1. Leakage at the connection between the gate valve and the gate valveFirstly, it is necessary to check whether the connecting bolts between the gate valve and the gate valve are tightened. If they...
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1. Before installing the butterfly valve, confirm whether the product performance and the flow direction arrow of the medium match the operating conditions, and clean the inner chamber of the valve....
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