Daily valve maintenance of the most basic knowledge :
1The valve should be dry and ventilated indoor, both ends of the road to be blocked.
2.Long-term storage of the valve should be regularly checked, remove dirt, and in the processing surface coated with anti-rust oil.
3.After installation, should be regularly checked, the main inspection items:
(1) Sealing surface wear.
(2) stem and stem nut trapezoidal thread wear situation.
(3) whether the filler out of date failure, if damaged should be replaced.
(4) valve repair assembly, should be sealed performance test.