Welding type high pressurecheck valve is only allowing media to flow in one direction, and stop the flow direction.
焊接式高压单向阀只允许介质向一个方向流动,而且阻止方向流动。
2
Boiler is clean and the scaffolds irrelevant to water pressure are torn down and the scaffolds for water pressurecheck are furnished.
锅炉上彻底清理干净,无杂物;与水压无关的脚手架全部拆除;用于水压检查的脚手架搭设完毕。
3
First of all, for strength and stability, mainly a cylinder, cover the wall, the water pressurecheck and impeller stress test, the axis of strength checking.