Deep well pump is a motor and pump directly into the water directly into the work of the water lifting equipment, it is suitable for extraction of groundwater from deep wells, can also be used for rivers, reservoirs, drains and other water projects, and now to introduce the next to use with Submersible pump product characteristics and conditions of use. Well submersible pump First, the use of submersible pump Product Features 1, well with submersible pump motor, pump one, dive into the water run, safe and reliable. 2, QJ submersible pumps on the well pipe, pumping pipe no special requirements (ie: steel pipe wells, gray tube wells, Doi, etc. can be used; under pressure permits, steel pipes, hoses, plastic pipes, etc. can be used for Yang pipe. 3, wells with submersible pump installation, use, easy maintenance, small footprint, do not need to build pump room. 4, Well with submersible pump structure is simple, save raw materials. Second, the well used submersible pump conditions 1, the power supply is 50Hz, 380V three-phase AC power supply. 2, the water temperature should not exceed 20 ℃. 3, the water content of solids (by mass) is not more than 0.01%. 4, PH value of water is 6.5 ~ 8.5. 5, chloride content in water is not greater than 400mg / L. 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:) http://beng.liuti.cn/ (Service Hotline:)
Carbon brushes are one of the most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems.
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