... :1450-2850r/min 5,ISO,CE 1,QJ Series vertical submersible deep well pump tech parameter :a) Caliber: DN150-DN400mmb) Flow:2-1000m3/hrc ... f) Working temperature: ≤20°C 2,Main featuresa) Submersible motor adapts YQS type water-filled wet structure, internal chamber was filled with ... motor, the sand-preventing unit including sand slinger and skeleton oil-sealed was installed in the upper part of motor, the ...