80 mm (3") Borewell Submersible Pumpsets CRI 3R Series

Material of Construction of Pump

Part Name

Material

Check Valve housing

Cast Iron

Check Valve

Delrin

Check Valve seat

Nitrile butyl rubber

Outer shell

SS - 304 / SS (DIN 1.4509)

Impeller

Noryl

Diffuser chamber

Noryl

Stop ring

Hylem

Intermediate bearing (Sleeve / Bush)

SS 304 / NBR

Suction inter connector

Cast iron

Pump shaft

SS 304

Coupling

SS 410

Material of Construction of Motor

Part Name

Material

Shaft seal

Nitrile butyl rubber

Stator Shell

SS - 304 / SS (DIN 1.4509)

Thrust pad

Graphite Carbon

Thrust base

SS 420

Diaphragm

High Nitrile butyl rubber

Motor base

Cost iron

Shaft

SS 410

Maximum liquid temperature

33°C max

Permissible amount of sand

25 g/m³

Allowable solids

3000 ppm (max.)

Chloride ion density

500 ppm (max.)

Turbidity

50 ppm silica scale (max.)

Hardness (Drinking water)

300 ppm (max.)

Specific gravity

1.004 (max.)

Viscosity

1.75 x 10 m²/sec (max.)

pH Value

6.5 to 8.5

SPECIFICATIONS

Power range

0.37 kW – 1.1 kW (0.5HP-1.5 HP)

Speed

2850 RPM

Version

Single-phase, 200 - 240V, 50Hz AC supply

Maximum total head

125 metre

Maximum flow rate

5.4 m3 /h

Maximum outer diameter in mm

78 mm

Nominal outlet size in inches

25,32 & 40 mm

Degree of Protection

IP 58

Direction of Rotation

Counter Clockwise from driving end.

Thrust Load

650 lbs.

Minimum cooling flow along the motor

0.15 m/sec

Type of duty

S1 (Continuous)

Method of starting

Capacitor Start and Capacitor Run (CSCR)

Maximum starts per hour

20 times.