Maintenance of plastic ball valve in storage

The plastic ball valve shall be maintained in storage After the plastic ball valve is transported to the designated warehouse, the person in charge of the storage shall go through the warehousing formalities immediately, so as to facilitate the inspection and maintenance of the valve The warehouseman shall check the model, appearance and weight of the valve in time, and conduct the tightness test of the strength test box for the plastic ball valve together with the tester For the plastic ball valve that meets the standard, the warehousing formalities can be handled; for the unqualified one, suitable storage shall be adopted, waiting for the relevant departments to handle For the plastic ball valve in storage, the appearance shall be cleaned in time to make the plastic ball valve look beautiful; for the processing surface, valve rod and sealing surface easy to rust, a layer of antirust agent shall be coated or a layer of antirust paper shall be pasted for protection; for the inlet and outlet channels of the plastic ball valve, the plastic cover or wax paper shall be used for sealing to prevent dirt from entering The plastic ball valve in the warehouse shall be consistent with the accounting, classified, neatly arranged, clearly labeled, eye-catching and easy to recognize Small valves shall be placed on the shelves according to the model, specification and size order, and arranged by category; large valves shall be placed on the ground of the warehouse, and arranged by specification, model and classification The plastic valve must be placed vertically, and the flange sealing surface cannot contact with the ground, nor can it be put together in piles For extra large valves and valves that can not be put into storage temporarily, they should be placed in dry and ventilated outdoor places The sealing surface should be coated with antirust oil, and the passage should be sealed with a sealing cover For some valves, there is no seasoning in the filler mouth to prevent rain water from leaking into the valve, the filler mouth should be sealed with butter, and the valve should be covered with a tarpaulin or the like Zui should build a temporary protective shed to protect the valve 。 For those plastic ball valves that are not used for a long time, if the packing port is filled with asbestos, it should be taken out to avoid electrochemical corrosion with the valve and damage the valve stem For valves without packing, the manufacturer will generally be equipped with corresponding packing, which shall be properly kept by the supervisor And we should always pay attention to the aging period of plastic ball valve, so as to achieve first in first out For valve accessories damaged during handling, such as hand wheel, handle, scale, etc., the manufacturer shall be informed to prepare and send them in time, without any shortage Antirust agent and softener beyond the specified service life shall be replaced or added regularly as required.