- Name：Valve negotiable
- Send Date：Since the buyer within 3 days from the date of shipment
- Address：Heshan Road, Jimo
- Period of validity：Long-term effective
- last update：2014-11-20
Details
Routine valve maintenance
1, the valve should be kept dry and ventilated room, both ends of the access to be blocked.
2, the long-term storage of the valve should be checked regularly to remove dirt and surface coated with anti-rust oil processing.
3. After installation, you should be checked regularly, the main inspection items:
(1) sealing surface wear.
(2) the stem and stem nut trapezoidal thread wear.
(3) failure of the filler is outdated, should be replaced if damaged.
(4) The valve assembly after repair, seal performance test should be carried out.
The operation of the valves, various valve member should be complete, intact. Bolt flange and bracket indispensable thread should be intact, and does not allow any loosening. Hand tighten the nut on the wheel, if found loose should be tightened to avoid wear and tear or lost connections handwheel and plate. Handwheel, if lost, are not allowed to use wrenches instead, should be fully serviced. Packing gland is not allowed skew or no pretension clearance. For vulnerable rain, snow, dust, sand and dirt contaminated environments valve, the valve stem to install a protective cover. Ruler valves should be kept complete, accurate and clear. Valve seals, caps, pneumatic accessories, etc. should be complete and intact. Insulation jacket should be no dents, cracks.
Not permitted in the running valve beat, stand or supporting heavy; in particular non-metallic valves and cast iron valves, but also to prohibit.
