Contact: Mrs. Wang General Manager
Contact: +86-411-39105563,18641115761
Contact: Mr.CUI Marketing Manager.
Contact information: +86-411-39105563
Mailbox: yuchen_dl@126.com
Address: No. 596, north of Zhufeng street, Wafangdian, Dalian city, Liaoning province of China.
Maintenance requirements for valves
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1. The valve shall be in a dry and ventilated room, and both ends of the passage shall be blocked.
2. The valve for long-term storage shall be regularly inspected, and the dirt shall be removed, and anti-rust oil shall be applied to the working surface.
3. After installation, regular inspection shall be carried out, and the main inspection items shall be as follows:
(1) Wear of sealing surface.
(2) The trapezoidal thread wear of the valve stem and stem nut.
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