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Self Priming and Mini Monoblock Pumps
     GEW is the leading manufacturer of finest multipurpose mini self priming and mini monoblock pumps. GEW has vast experience in the field of presenting Domestic pumps without any trouble and reliable quality. The highlights of our pumps are compactability, easy installation and less maintenance. Our special features include continuous operation, greater efficiencies, extremely quiet operation and high working pressure. self priming pumps are designed without footvalue. The internal clearances are kept to a minimum and for this reason these pumpsets are intended for use with clean water, free from solides, abrasives and fibrous material to get the best possible efficiency. 
 
APPLICATION : 
     Used for water supply to Residential Bungalows and Flats.

     GEW HSM & HCM models of Self Priming and Monoblock pumps employ a 240 volts, 50 Hz capacitor start and run, 2880 RPM, TEFC, Prime mover motors of single phase. All pumps are tested as per IS : 8472 HCM & HSM motor bodies are made from high quality extruded aluminium. And DMS motor bodies are made from cost iron, Dynamic balancing of rotor assembly, ensures better life for bearings and seals. Pump is made up of close grained cast iron casing and Brass forged impeller. The volute is designed for maximum output. The front end bearing is protected by a water thrower ring. Sealing is by means of a bellows mechanical seal fitted over the shaft which is ground to close tolerances.

     We ensure consistent quality by testing the pumps thorughly. We maintain the required quality control norms very strictly. Operator's Manual is provided for correct installation.
 
GUARANTEE :
     GEW HSM & HCM series pumps are guaranteed for a period of 12 months against any manufacturing defect and subject to the terms and conditions laid down in our guarantee card.
 

IMPORTANT NOTES :


   1. Use ISI mark quality pipes.
   2. Proper size of pipes should be installed as specified in name plate.
   3. Reduce number of bends and elbows in the pipe line.
   4. The monoblock should be run for a few minutes atleast once in 2 days to prevent the pump from seizing due to rust build - up.
   5. Muddy water will damage the pump. Use strainer at the bottom end of the suction pipe.
   6. Ensure that the pump does not run dry to avoid damage to mechanical seal and impellers.
   7. Do not throttle the delivery line using a gate valve, as this will result in overloading of the motor.
   8. Do not wrap the pump with air tight materials such as polythene sheet, because condensation will form in the tightly wrapped motor and winding will burnout.
   9. Read our Operator's Manual carefully before installing the pump.

NOTE:

   1. The performance figures given below are based on mean supply voltage indicated on the name plate.
   2. Pipe sizes mentioned in mm are nearest conversion of inches, but actual pipes threading are provided as per 'BSP' standard.
   3. Total Head = Static Suction + Static delivery + Number of pipe bend, NRV etc.
   4. The self priming time depends upon static suction installatoin conditions and the duration of use of the pumpset.
   5. As we are continuously undergoing the R & D work all the above matters are subject to change without notice.
   6. HCM = High Speed Centrifugal Monoblock HSM = High Speed Self Priming Monoset
Performance Data for Domestic Monoset
MODEL
DMS 2
DMS 3
RATING
HP kw RPM
0.5 0.37 1420
1.0 0.75 1420
PIPE SIZE
mm
25 x 25
25 x 25
TOTAL HEAD IN METERS
6 9 12 15 18 21 24 27 30 36
DISCHARGE IN LPM
52 49 44 41 37 34 31
60 56 53 50 46 43 40 37 30
Approximate Performance Data at Rated Voltage (2880 RPM) with Aluminium Body
MODEL H.P / KW PIPE SIZE
in mm
SUC x DEL
SUCTION
CAPACITY
in METERS
HCM - 1001
HSM - 1002
0.25 / 0.18 20 x 20 8
HCM - 1003
HSM - 1004
0.5 / 0.37 25 x 25 8
HCM - 1008
HSM - 1009
1.0 / 0.75 25 x 25 8
TOTAL HEAD IN METERS / FEET
9 12 15 18 21 24 27 30 36 42 45
20 29 39 48 59 69 79 88 98 118 138 148
DISCHARGE IN LITRES PER HOUR
1950 1800 1650 1500 1350
2300 2150 2000 1850 1700 1500 1300 1100 900
3250 3100 2950 2800 2600 2400 2200 2000 1800 1400 1000 800
 
 
  Ganga Engineering Works, Coimbatore, India is a manufacturers, suppliers and exporters of Self Priming Mini Monobloc pumps to the needs of the customers since 1978. 
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