Users of self-priming pumps do not understand the operation of the self-priming pump, resulting in a series of failures and inability to absorb water. Indium pump users deliberately compiled and edited the following operating instructions and notes for the self-priming pump. User reference:
1. After the ZX/ZW self-priming pump is installed, fill the delivered medium from the filling port of the self-priming pump for the first time to drain, and do not need to drain after use. Then tighten the irrigation screw cap. Prevent air leakage and affect self-priming pump self-priming function.
2. The inlet pipe of the ZX/ZW self-priming pump must be installed with a filter to prevent the suction of excessive particles and damage the pump and affect the self-priming function.
3. When ZX/ZW self-priming pump is used to transport concentrated sulfuric acid, it is forbidden to drain water to prevent personal and equipment accidents.
4. Before start-up, check whether the water pump shaft is normal. Check whether the running direction is consistent with the direction of the turning mark by using the jog mode.
5. Do not support the weight of the suction liquid pipe on the flange of the water pump outlet, but should be fixed on the support frame (user-owned by the bracket). The pipe connection must be tight and airtight, otherwise it will affect the self-priming function, flow, and head.
6. When liquids with crystallization and sedimentation substances are discharged, if the pump is not used for a period of time, the liquid in the self-priming pump chamber should be discharged from the “discharge port†to prevent the crystallization and sediment from being trapped in the pump chamber, so that the second time starts. Cause damage. Refill it when you use it again. If you only need to drain once every few days, please run every 24 hours for 20 minutes to reduce the degree of crystallization and precipitation.
7. When the self-suction pump is stopped for a long time, please stop the pump and use it. Before starting, check whether the drainage fluid is sufficient from the irrigation outlet or the inlet. If it is insufficient, start the operation after making up for it.
8. When the self-priming pump conveys the medium liquid, the three indicators of flow rate, lift (pressure) and suction range must be strictly controlled within the range specified by the selected model. Otherwise, it will cause the motor current to fluctuate and affect normal operation.
9. Self-priming pump is used in the holding tank and container below the ground. Please use it within the effective suction range of the self-priming pump.
10. Self-priming pumps are used in the environment below the liquid surface. It is recommended to use other types of pumps such as centrifugal pumps.
11. When the self-suction pump supplies liquid to a high tank or a water tower, a check valve must be installed on the outlet pipe to prevent the water in the outlet pipe from flowing back after the pump is stopped, causing the impeller to reverse and the impeller to loosen.
12. When a self-priming pump generates a medium with bubbles, large specific gravity, high lift, and high static pressure of the water column of the liquid discharge system when the discharge is generated, in order to speed up the discharge speed and shorten the self-priming time, the outlet pipe needs to be installed automatically. The exhaust valve eliminates the gas inside the pipe and the return valve reduces the line pressure.
13. Example: When used in a fire-fighting system for pool water, in order to minimize the water outlet time, and it is not suitable to expand the diameter when it is equipped with an inlet pipe, the flow rate of the inlet pipe has been controlled within the national norm. time.
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