250 mm (10") Borewell Submersible Pumps - CM Series,Submersible Pumps,Coimbatore, Tamilnadu, India,Hebron coimbatore

100 mm

FEATURES
    Pumps are designed to give more discharge
    Extremely hard wearing water – lubricated bearings
    Designed for extensive voltage fluctuations
    Silver brazed rotor
    6” motor and 8” pump combination on request

DESCRIPTION: C.R.I. 250 mm (10") Borewell Submersible pumpset is made with different materials of construction together with extremely tough hardwearing bushes which make this pumpset highly durable. This pumpset is supplied with stainless steel & LTB-2 impellers to give better performance and longer life. The optimal design of impellers and diffusers offers best possible hydraulic efficiency. This pumpset is powered by a water filled, rewindable submersible motor, which is suitable for continuous duty. The stator is wound with special waterproof synthetic film insulated copper winding wires and made up of low watt loss silicon steel laminations assembled under pressure and rigidly locked in stainless steel stator shell. Specially designed thrust bearings (SS AISI – 420 with Graphite Carbon) are used to withstand axial and down thrust loads with minimum wear and tear. Dynamically balanced rotor gives vibration free and noise free operation, thereby increases efficiency and life cycle of the motor.

SPECIFICATIONS
Power range	7.5kW - 93kW (10 HP - 125 HP)
Speed	2880 RPM
Version	Three Phase, 380- 415 V, 50 Hz, A.C. Supply
Maximum total head	164 m
Maximum flow rate	65 lps
Nominal outlet size in inches	150
Degree of Protection	IP 58
Direction of rotation	Anticlockwise from driving end.
Type of Duty	S1 (Continuous)
Thrust Load	10000 lbs / 45500 N
Minimum cooling flow along the motor	0.16 m/sec
Method of starting	S/D 7.5kW – 93kW
Maximum Outer Diameter in mm	247
Maximum starts per hour	4 times

SPECIFICATIONS
Power range	0.37kW – 5.5 kW (0.5HP – 7.5HP)
Speed	2880 rpm
Version	Single Phase, 200 – 240V, Three Phase, 380 – 415V, 50 Hz, A.C. Supply
Maximum total head	395 metre (39.5 bar)
Maximum flow rate	18000 LPH (18 M3 / Hr)
Maximum outer diameter in mm	97 & 98.
Nominal outlet size in inches	1 ¼, 1 ½, 2 & 2 ½
Degree of Protection	IP 58.
Direction of Rotation	Clockwise from driving end.
Thrust Load	1500 lbs.
Minimum cooling flow along the motor	0.15 m/sec
Type of duty	S1 (Continuous)
Method of starting	Direct on Line, Capacitor Start Capacitor Run (CSCR) / Permanent split Capacitor (CSR)
Maximum starts per hour	12 times.
Mounting Standard	As per NEMA

Fitted with imported motor protector in single phase motors
Silver brazed rotor
29 Feet head per stage in specific models
High operating efficiency
Extremely hardwearing water lubricated thrust bearings
Designed for extensive voltage fluctuations
Can be easily dismantled and repaired

MATERIAL OF CONSTRUCTION OF PUMP
Part Name	Material
Check Valve housing	Cost iron (FG 200)
Check Valve Seat	Nitrile butyl rubber / S.G Iron
Diffuser Chamber	Cast Iron (FG 250)
Impeller	SS AISI - 410 (casted) / LTB - 2
Suction Inter Connector	Cost Iron (FG 200)
Inlet Screen	SS AISI - 202
Pump Shaft	SS AISI - 410 / SS AIS - 431
Cable Guard	SS AISI - 202
Coupling	SS AISI - 410 / SS AISI - 431

MATERIAL OF CONSTRUCITON OF MOTOR
Part Name	Material
Diaphragm	High Nitrile butyl rubber
Journal bearings	LTB - 4 /Graphite Carbon
Thrust Assembly	SS AISI 420 and Graphite Carbon
Lower / Upper housing	Cast iron (FG 200) / (with outer shell SS AISI 304 - on request)
Stator shell	SS AISI 304
Shaft	EN 9 With SS -410/431 sleeve at bush guide

250 mm (10") Borewell Submersible Pumps - CM Series

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