Views:8 Author:Site Editor Publish Time: 2020-11-09 Origin:Site
Valves are an indispensable part of the pipeline, and its use is also selected according to different environments. There are many different types of products, so what should be paid attention to when operating different products?
The most common ones are gate valves and shut-off valves. When these products are closed or opened to the end, they must be turned 1/4 to 1/2 turn to make the threads more tightly, so as to facilitate inspection during operation and avoid over-tightening. Damage the valve tightly. The manual valve is a kind of valve that is commonly used on equipment and devices. Before operation, pay attention to checking the opening and closing signs before operating. There are also larger diameter butterfly valves, gate valves and stop valves. When opening, the bypass valve should be opened first, and then the large valve should be opened. For gate valves and throttle valves with a mark, check and adjust the fully open or fully closed indication position.