100 mm (4") Borewell Submersible Pumpsets - CRI 4R / CRI 4F / CRI 4M / CRI 4P / CRI 4S

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 10⁶ m²/sec (max.)

pH Value

6.5 to 8.5

Material of Construction of Pump

Part Name

Material

Check Valve housing

Cast iron / SS - 304

Check Valve

Delrin

Check Valve seat

Nitrile butyl rubber

Outer shell

SS - 304 / SS (DIN 1.4509)

Impeller

Noryl / Delrin / SS - 304

Diffuser chamber

Noryl / SS - 304

Stop ring

SS - 304 / Hylem

Intermediate bearing (Sleeve / Bush)

SS 304 / NBR

Suction inter connector

Cast iron / SS - 304

Pump shaft

SS - 304 / SS - 410

Coupling

SS - 304 / 410

Material of Construction of Motor

Part Name

Material

Shaft seal

Nitrile butyl rubber

Stator shell

SS - 304 / Duplex SS (DIN 1.4509)

Thrust pad

Graphite Carbon

Thrust base

SS - 420

Diaphragm

High Nitrile butyl rubber

Motor base

Cast iron

Shaft

SS - 410 / 431

SPECIFICATIONS

Power range

0.37kW – 7.5 kW (0.5HP - 2HP)

Speed

2850 RPM

Version

Single-phase, 200 - 240V; Three-phase 380 - 415V; 50Hz, AC supply

Maximum total head

544 metre

Maximum flow rate

25.2 m ³/h

Maximum outer diameter in mm

98 mm

Nominal outlet size in inches

32, 40, 50 & 65 mm

Degree of Protection

IP 58

Direction of Rotation

Counter Clockwise from driving end - Single-phase, Electrically reversible - Three-phase

Thrust Load

0.37kW-1.1kW - 650 lbs; 1.5kW - 4.0kW - 900lbs; 5.5kW-7.5kW - 1500 lbs

Minimum cooling flow along the motor

0.15 m/Sec

Type of duty

S1 (Continuous)

Method of starting

Capacitor Start Capacitors Run / Permanent split

Maximum starts per hour

20 times.

Mounting standard

As per NEMA