3''70#QJD SERIES DEEP WELL PUMP

By using the most design and manufacturing technologyJINKE has introduced the 3''QJD  series for well pumps. These canned type motor have all the necessary features to assure reliability, durability and efficient operation.

 Technical Features:
Upper/Lower bracket and Motor base are cast iron with nickel coating.
Motor shaft is of SS 420 grade or above.
Stator shell is of 304.
Winding wire poly propylene with insulation Class-B.
Water lubricated radial and thrust bearing.
Mounting: vertical/horizontal.
Single phase motors are capacitor start capacitor run.
Dynamically balanced rotor ensure smooth running.
Solid copper bars inserted in to our piece billet rotor offer great rigidity.
Operating limits:

Maximum allowable rating voltage fluctuation +6%-10%.
Maximum motor starting per hour: 30
Water well temperature range-0 to20°C with minimum flow rate speed of 0.08m/s.
Liquid for use clean water (Ph 6.5 to 8.5) 
Single phase 0.40kW to 1.1 kw, 220-230 Volt / 50 Hz.