News
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How is the valve anti-corrosion? The reasons, measures, and selection methods are all here!
The corrosion of metals is mainly caused by chemical corrosion and electrochemical corrosion, and the corrosion of non-metallic materials is generally caused by direct chemical and physical damage. 1. Chemical corrosion The surrounding medium directly chemically interacts with the metal under the...Read more -
Remarks for the “Comprehensive Ability” of a Class 1 Fire Engineer in 2018: Valve Installation
1) Installation requirements: ① The valves used in the foam mixture pipeline include manual, electric, pneumatic and hydraulic valves. The latter three are mostly used in large-diameter pipelines, or remote and automatic control. They have their own standards. The valves used in the foam mixture ...Read more -
Why is the valve not closed tightly? How to deal with it?
The valve often has some troublesome problems during the use process, such as the valve is not closed tightly or tightly. What should I do? Under normal circumstances, if it is not tightly closed, first confirm whether the valve is closed in place. If it has been closed in place, there is still l...Read more
