ZW self-priming non-clogging sewage pump operation

ZW-type self-priming non-clogging sewage pump operation is correct or not, relates to the safety of operators, as well as pump safety. So in use, how to operate the pump? With this question, the following is about the use of ZW-type self-priming non-clogging sewage pump introduction. ZW-type self-priming non-clogging sewage pump operation 1, before use, should check the pump rotation direction is correct, the rotation is flexible. 2, unscrew the dosing liquid plug above the pump body, fill the stock solution, and then tighten the plug. Do not need to add liquid after boot. Pump operation should not start in case of inadequate pump, otherwise the pump can not work properly, and easy to damage the mechanical seal. 3, boot, you should open the outlet flow control valve to facilitate the process of self-absorption of gas discharge. After starting, adjust the opening of the outlet flow control valve so that the pressure gauge readings point to the specified area (various pump pressure control range table), to avoid the pump to work within the lower limit of the specified area, to prevent the shaft power over Large and cause motor overload burnout or due to excessive flow pump cavitation, affecting the normal operation of the pump, the pump strong vibration and noise. 4, during operation, should always check the temperature rise of the pump and motor, such as noise and other abnormal sounds should be found out of inspection, troubleshooting can be re-run. 5, downtime, you should first close the outlet flow control valve, and then stop, so as to avoid the role of siphon caused the lack of liquid storage in the pump. 6, Regular refueling, maintenance, such as long-term use should be disassembled to clean the oil, properly preserved. Read more: China Building Water Exhibition Pump Valve Tube Fittings Exhibition Water Expo Xiamen Maritime Exhibition Internet + Forum Yiwu Expo Industry Interconnection (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Duanhui (QQ / WeChat:) http://beng.liuti.cn/ (service hotline:)

R421a , replacement for R22

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R421a

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