7" Bore-well Submersible Pumps

Features

  1. Pumps in Mixed Flow Option only
  2. Motor Size is limited to 150 mm
  3. Maximum Outer Diameter is 161 mm
  4. All Motors Water Filled; in Three Phase Application
  5. Motor Power ranges from 5.00 HP through 25.00 HP
  6. Motors of capacity 5.00 HP through 7.50 HP are with DOL Start
  7. Motors of capacity 10.00 HP through 25.00 HP are with Star-Delta Start
  8. Coupling is over key-way Arrangement
  9. Thrust Bearing is made up of Carbon

Nomenclature

E.g.,

A7S

TUR

1500

MF

500

03

Stages

Hydraulic

Pump Details
MF = Mixed Flow

Motor Power
2000 denotes 20.00 HP
0750 denotes 7.50 HP
1750 denotes 17.50 HP, etc.

Motor Type
TUR = Turbo, ECO = Eco
REG = Standard, WVR = WVR
EWV = WVR Eco

General Prefix
Denoting Water-filled
6” 3Ø Motor for 7" Pump

MOC

Part Material Grade Reference Std
Shaft Chrome Steel AISI 410 ASTM A 276
Shaft* Chrome Steel AISI 431 ASTM A 276
Impeller Chrome Steel AISI 410 ASTM A 276
Bowl Cast Iron FG 200 IS: 210
NRV Body Cast Iron FG 200 IS: 210
Bushes Bronze LTB 4 IS: 318
Rotor Copper - -

* For Motors over 12.50 HP Power Rating

Motors

OD Connection Rated Power Rated Current Operating Voltage
in mm - in kW in HP in Amperes in Volts
142 DOL* 3.70 5.00 10.00 250-440
142 DOL* 4.50 6.00 12.00 250-440
142 DOL* 5.50 7.50 14.50 250-440
142 S/D 7.50 10.00 19.50 250-440
142 S/D 9.30 12.50 25.00 250-440
142 S/D 11.00 15.00 29.00 250-440
142 S/D 13.00 17.50 34.00 250-440
142 S/D 15.00 20.00 39.00 250-440
142 S/D 18.50 25.00 44.00 250-440

The above data are against ‘Turbo’ & ‘Standard’ Motors only

Pumps

Hydraulic Name Hydraulic Discharge at BEP Head/Stage at BEP NRV Size Max.No. Of Stages
- - LPM M mm -
7MF250 Mixed 750 11.30 100 12
7MF300 Mixed 800 13.30 100 10
7MF400 Mixed 1020 12.50 100 6
7MF500 Mixed 1200 10.00 100 7
7MF600 Mixed 1140 15.00 100 5
7MF700 Mixed 1200 16.00 100 5
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