Submersible pump should pay attention to the matters in use

Submersible pumps are mainly under water work, and therefore should be worth more attention at work, because of the accidental leakage phenomenon, it is easy to cause personal injury. Submersible pump (1) Check the pump vent, drain, drain hole and cable connector seal is loose, if loose must be tightened. (2) Inspect the insulation resistance with a 500-volt shake table, and should not be less than 0.5 megohms. If it is lower than this value, open the drain and bleed holes and dry or dry it. (3) Check the cable, if broken or broken, etc., should be replaced, so as to avoid leakage. (4) Before starting to check all the circuits, switches, to see if the wiring is correct and solid, then idling on the ground for 3 to 5 minutes (time should not be too long, so as not to damage the parts or burn motor windings), and check the motor to turn Whether the correct direction, as above, no problem, can be put into the water to use. (5) 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). (6) During operation, the water level in the well should be constantly observed. The motor must never be exposed to the water or into the silt, so as not to affect the heat dissipation of the motor and burn 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. (7) A new or replaced submersible pump with integrated seal box shall be inspected for a good seal after 50 hours of use and shall be inspected once a month thereafter. Also, check that the shielding sleeve seal between the motor rotor and the stator is good. (8) After one year of use, check the corrosion of the pump and remove rust paint. Submersible pumps such as long-term use should be carefully inspected on a dry and ventilated house custody. Industrial Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Daohui (QQ / WeChat:) http://beng.liuti.cn/ (Service Hotline:)

Item	Typical Alloys	Typical Temper	Specification (mm)
Round Bar	2014/2017/2024/2219 5052/5083 6063/6005/6005A/6008/6061/6082/6101 7005/7050/7075/7055	T4/T5/T6/T651/112/O/F	Dia.:38-110 ＞110-400
Rectangular bar			Width: 400-500	Thickness: 10-120
Special profile			Acc. To customer`s drawing	Acc. To customer`s drawing

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