Improper outdoor storage will not only pollute and deform the pump, but also cause irreparable damage to the parts. At the same time, it will bring inconvenience and hidden trouble to the installation and operation of the pump.
There are 3 points for attention to protect:
Anti-corrosion
1) All internal surfaces, internal parts of pump body and bearing body shall be coated with a layer of antirust oil, except for the following situations:
-Users have special requirements
-Stainless steel parts
2) Unless otherwise specified, all external surfaces shall be painted, except fasteners, stainless steel parts, shafts and couplings, and the surfaces of pump shafts and couplings shall be coated with anti rust oil;
3) All external openings (such as pump inlet and outlet flange, pipeline interface flange, discharge outlet screw hole, etc.) shall be sealed.
Antifreeze
The ambient temperature is below 0 ° After the delivery test of the pump, all drain valves should be opened to confirm that the cooling water system, seal flushing system and liquid in the pump body have been completely drained. Especially for the sealing and sealing flushing system, it is better to use air to purge the liquid after the liquid is drained, so as to ensure that there is no liquid residue in the sealing cavity.
Short term outdoor storage
The anti-corrosion measures at the factory can ensure that the pump can be stored outdoors for 6 months under the following conditions:
1) Store on wood block 150 mm above the ground;
2) It shall be covered with plastic film, and the film thickness shall be ≥ 0.15mm. Seal with adhesive tape, cut a 13mm diameter ventilation hole every 1.2m along the direction of the base (for small pump, cut one hole at each end of the base).
Long term outdoor storage
1) Remove the mechanical seal pipeline from the pump unit for proper storage, and inject lubricating oil into the seal cavity through the seal flushing port to protect the sealing surface. The opening left on the shell should be sealed after the pipeline is removed;
2) The pump is stored on a wooden block 150 mm above the ground;
3) Provide a simple shed and cover or package the pump to avoid direct sunlight or other natural damage to the pump unit;
4) Every 6 months:
-Check the inner surface of the bearing and all parts in the bearing, and re coat with anti rust oil
-Check the unpainted parts on the outer surface of the pump (such as shaft and coupling) and the inner surface of the pump, and repaint with anti rust oil
-Check whether the shaft seal is clean and damp
-If the lubricating oil system, seal pipe and seal cavity are pre filled with lubricating oil, drain and refill the lubricating oil and seal flushing pipeline oil, and inject the mechanical seal through the flushing interface.
