
How to switch an electric valve to manual mode
date:2026-02-26 14:00
1. Electric valves should be stored indoors in a dry and ventilated area, and both ends of the passage must be blocked.
2. Electric valves stored for a long time should be regularly inspected, cleaned of dirt, and coated with rust proof oil on the processing surface.
3. After installation, regular inspections should be carried out, with the main inspection items being:
(1) Wear condition of sealing surface.
(2) Wear condition of trapezoidal thread on valve stem and valve stem nut.
(3) Whether the packing is outdated or ineffective, and if it is damaged, it should be replaced in a timely manner.
(4) After the maintenance and assembly of electric valves, a sealing performance test should be conducted.


