Plastic ball valve is maintained in storage
Plastic ball valve to the designated warehouse, the person responsible for the custody to immediately apply for storage procedures, it is a good inspection and maintenance of the valve. The custodian should check the model, appearance and weight of the valve in time, and also conduct the strength test box sealing test on the plastic ball valve together with the testing personnel. For plastic ball valves that meet the standards, you can go through the warehousing procedures; if you are not qualified, you should use appropriate storage and wait for the relevant departments to handle them.
For the plastic ball valve in the warehouse, it is necessary to scrub the appearance in time to make the plastic ball valve look beautiful. For the processing surface which is easy to rust, the valve stem and sealing surface should be coated with a layer of anti-rust agent or a layer of anti-rust paper to protect it; The plastic ball valve inlet and outlet passages should be closed with plastic cover or wax paper to prevent dirt from entering.
There are plastic ball valves in the warehouse to be consistent with the accounts, sorted into categories, and the emissions are neat, the labels are clear, and they are easy to recognize. Small valves should be discharged on the shelves according to the model specifications and size order, and sorted well; for large valves to be placed on the floor of the warehouse, sorted according to the specifications and types. The plastic valves must be placed vertically. The flange sealing surfaces should not be in contact with the ground, nor can they be stacked together. For extra large valves and valves that cannot be stored in the warehouse, it should be placed in a dry and ventilated place outdoors. The sealing surface should be coated with anti-rust oil. The passage should be sealed with a sealing cover; some valves have no seasoning in the filling port to prevent rainwater leakage. To the inside of the valve, the filler should be closed with butter, and the valve should be covered with a tarpaulin or the like.
For those plastic ball valves that have not been used for a long time, if the filling port is made of asbestos packing, it should be taken out to avoid electrochemical corrosion with the valve and damage the valve stem. For valves without fillers, the manufacturer will usually be equipped with the appropriate packing, and the reporter should keep it properly. And always pay attention to the aging period of plastic ball valves, to achieve first-in, first-out.
For damaged valve fittings during the handling process, such as handwheels, handles, scales, etc., it is necessary to promptly call the manufacturer to send it, which is indispensable.
Anti-rust agents and softeners that exceed the specified period of use shall be replaced or added periodically as required.
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