QJ Deep Well Submersible Electric Pumps
Working conditions: 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 1. 380V (deviation≤5%), 50Hz (deviation≤1%), 3 phases 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 2. Electric motor must be full of clean water 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 3. The first piece of impeller of pump should be at least 2m or more below dynamic water level. The distance from Pump to static water level should be not more than 70m. The distance from motor base to well bottom should be not less than 3m. 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 4. Water temperature should be not more than 20°C 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 5. Sand content of water (based on mass of sand) should be not more than 0.01% 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 6. PH should be 6.5-8.5 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 7. The content of hydrogen sulfide in water should be not more than 1.5mg/l 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 8. The content of chloride ions should be not more than 400mg/l 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 9. Water yield of water source should satisfy the demand of pump running.
18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> Technical Parameters: 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\">
speed Pump
efficiency pipe
diameter Rated Range Rated Range QJ Series m3/h m3/h m m r/min % mm 300QJ240-22/1 240 186-214 22 21-23 2900 76 180 300QJ240-44/2 44 42-46 300QJ240-66/3 66 63-69 300QJ240-88/4 88 84-92 300QJ240-110/5 110 106-114 300QJ240-132/6 132 127-137 300QJ240-154/6 154 148-160 300QJ240-176/8 176 169-183 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> Structure feature and working principle 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\"> QJ type submersible electric pump is one kind of water lifting equipment in the water. It is composed by submersible motor, pump and water lifting pipe, etc. Motor is wet type three-phase asynchronous motor. Motor is full of clean water, which is used to cool motor and lubricate axis. Motor winding part is adopted polyethylene insulation nylon sheath. Its magnet wire is water-resistant. The upper part of motor is adopted sand dumping ring and framework oil seal to seal up. Thus, it can prevent medium inside and outside of motor leaking. Impeller is vertical and single (or multistage) closed centrifugal type. Liquid is delivered by blower inlet casing. 18px arial, helvetica, sans-serif; word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px\">
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