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  3. DBS3.0/20 – 3.0HP – 20ST. 3PH Borewell Submersible Pumps

DBS3.0/20 – 3.0HP – 20ST. 3PH Borewell Submersible Pumps

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Duroflo Pumps, synonymous with durability, presents Borewell Submersible Pumps in 100mm and 150mm diameters. From ensuring optimal irrigation in agriculture to reliable domestic water supply, seamless operation in high-rise buildings, and robust performance in commercial sectors, Duroflo pumps embody precision and reliability. Elevate your water pumping experience with Duroflo – A Synonym for Durability.

MATERIAL OF CONSTRUCTION

MOTOR

SHAFT SEALNitrile butyl rubber
ROTOR SHAFTSS 410 / 431
STATOR SHELLSS 441 / SS 304
JOURNAL BUSHESCarbon
SNAP RINGSS 316
THRUST ASSEMBLYSS 420 & Graphite Carbon
DIAPHRAGMHigh Nitrile butyl rubber
MOTOR BASECast iron

PUMP

SUCTION HOUSINGCast iron
IMPELLERNoryl / Delrin
DIFFUSER CHAMBERSS 304 / Cast Iron / Noryl
CHECK VALVE HOUSINGCast iron
CHECK VALVEDelrin
OUTER SHELLSS 441 / SS 304
PUMP SHAFTSS 304 / SS 410 / SS 431
COUNTER THRUST PADSS 304 / Hylem
INTERMEDIATE BEARING (SLEEVE / BUSH)SS 304 / NBR / LTB 4 /
Teflon Carbon / Gunmetal with rubber
COUPLINGSS 304 / 410

TECHINCAL SPECIFICATIONS

POWER RANGE2.2 kW - 5.5 kW (3 HP - 7.5 HP)
SPEED2850 RPM
VERSIONSingle phase 220-240V; Three phase 380-415V, 50Hz, A.C. Supply
MAXIMUM TOTAL HEAD568 Metre
MAXIMUM FLOW RATE7 LPS (25.20 m3/hr)
MAXIMUM OUTER DIAMETER98 mm
THRUST LOAD0.37kW - 0.75kW - 650 lbs; 1.1kW - 1.5kW - 1000 lbs; 2.2kW - 7.5kW - 1500 lbs
MINIMUM COOLING FLOW ALONG THE MOTOR0.15 m/sec
TYPE OF DUTYS1 (Continuous)
METHOD OF STARTINGCapacitor Start Capacitor Run(CSCR) / Direct Online(D.O.L)
MAXIMUM STARTS PER HOUR20 times
NOMINAL OUTLET SIZE32, 40, 50 & 65 mm
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