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Fully welded Ball Valve for pipelines should undergo a pressure test before installation to ensure the tightness and safety of the valve itself. 1. Fully welded Ball Valve test (1) Strength test: The strength test uses water as the medium;...
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If you select and install a suitable Ball Valve, as long as steam passes through it, there will be no freezing problem. But if the steam is cut off, the steam condensate will form a vacuum in the heat exchanger or accompanying pipe. This prevents...
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The selection of Ball Valve should first follow the four principles of safety, reliability, applicability, and economy, and secondly, based on the six aspects of on-site working conditions. 1. Choose according to the length of continuous working...
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As a new type of valve in recent years, Ball Valve have defeated some domestic valves in the fiercely competitive domestic market by virtue of some of their unique structural characteristics and quickly seized market opportunities. However, with the...