Recently, according to "People's Republic of China Product Quality Law", "Regulations of Zhejiang Province, product quality supervision," the provisions of the Zhejiang Provincial Bureau of Quality and Technical Supervision organized the province's submersible pump product flight supervision and spot checks, spot checks Taizhou 60 sub-regional 60 submersible pump products, substandard 5 batches, the batch failed rate of 8.33%. Xiao Bian to introduce pump products to note the purchase and use of care. Pump Products First, the purchase (1) to choose the packaging or nameplate manufacturer address, telephone number, the implementation of standards and other information products. Check the appearance of the product before purchase, there should be no obvious damage; Check the product accessories such as inspection certificate, manual is complete; Check the manual there is no safety tips, there is no technical performance indicators (flow, lift, efficiency, power ) And installation and use of precautions and so on. (2) For most submersible pumps of the same type, the submersible pump products supporting the same power motor should have almost the same lift if the flow rate is the same; or the same lift and the same flow rate. (3) submersible pump is the implementation of the production license management products, purchase, you should purchase a licensed product. Second, the use of (1) Check the pump vent, drain hole, put the hole and the cable connector seal is loose, if loose must be tightened. (2) Before starting, check all circuits and switches to see if the wiring is correct and reliable. Then, run 3 to 5 minutes on the ground (time should not be too long, so as to avoid damage to parts or burn motor windings), and check the motor rotation direction Is correct, as above, no problem, can be put into the water to use. (3) submersible pump into the water, the cable must not be forced, the rope should be tied to it in the wellhead wooden frame. The maximum depth of electric pump into the water is 3 meters, the minimum depth of 0.5 meters (from the center of the impeller). (4) In operation, we should observe the change of water level in the well frequently. The motor must not be exposed to the surface of the water or sink into the silt, so as to avoid affecting the heat dissipation of the motor and burning the winding. Should change with the well water level, at any time lift the pump, such as the emergence of water reduction or interruption, should immediately identify the cause or shutdown inspection. The cable can not be friction with the well wall, so as to prevent the well from penetrating into the motor along the cable core after the cable is broken. (5) new or changed the whole seal box submersible pump, after 50 hours, check the seal is good, check once a month, at the same time check the motor rotor and stator shielding sleeve seal is good. Third, the maintenance user should be based on product instructions for maintenance. Problems encountered in the maintenance should be solved by personnel with specialized skills and relevant knowledge. In particular, pay attention to the use of the product after a period of time, you should check the electrical insulation meets the requirements. If the maintenance or improper use, found that the insulation resistance is low, the cable is damaged, or the machine rust runs difficult, the starting current increases, they should be repaired or maintained in time to prevent accidents or cause further damage to the machine. After one year, should check the corrosion of the pump, and rust paint. Submersible pumps such as long-term use should be carefully inspected on a dry and ventilated house custody. Further Reading: pump valve pipe fittings Exhibition Water Expo Xiamen exhibition of marine equipment Internet + Forum Yiwu Fair 2016 exhibition mold top ten brands of the Internet information industry (Xiamen) Technology Co., Ltd. Author: Asian pumps Network Editor: Yao Xiaoxia (QQ / WeChat :) (Service Hotline:)
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