Open well Submersible Pump set CSS / CVS / LTK Series

C.R.I. Openwell Submersible Pumpsets are Ideally suitable for Openwells or Tanks where a

wide fluctuation of water level occur. This work under water and rest at the Bottom of the

well or Tank. Hence Suction and Priming problem will not arise. The optimal design of

impellers and diffusers enables the best possible hydraulic efficiency. Motor sealing is made

by polymers rings, oil seals and sand guard to avoid ingress of well water / sand into the

motor. Pressure equalizing rubber diaphragm is provided to guard the pressure and volume

variation of water inside motor. Motor must be filled with clear, cold, drinking water as

detailed in our operators manual. Three -phase motor requires an adequate motor

protection control panel.
- Domestic
- Irrigation
- Gardens
- Rural water supply
PUMPED LIQUIDS

Clean, thin, non-aggressive, non explosive, clear, cold, fresh water without abrasives, solid particles or fiber having the following characteristics
- No Suction and Priming Problem
- Noiseless Operation
- High Operating efficiency
- Can be easily dismantled and repaired

SPECIFICATIONS
Power Range	0.7 HP to 3 HP (0.37kW – 2.2kW)
Speed	2880 RPM
Versions	Single phase 200-240 V, 50Hz, AC Supply. CSCR, Three-phase 380-450 V, 50Hz, AC Supply.
Maximum total head	Upto 108 metre
Maximum flow rate	10 lps (36 m³ /hr)
Nominal outlet size	25, 32, 40, 50 & 65 mm
Degree of protection	IP 58
Direction of rotation	Counterclockwise from driving end (Vertical OWS) Clockwise from driving end (Horizontal OWS)
Type of duty	S1(Continuous)
Method of starting	CSCR
Maximum starts per hour	10

Material of Construction

Material of Construction
Part Name	Material
Outer Shell	Mild Steel / S.S
Diaphragm	High Nitrile Rubber
Lower Housing / Rear Cover	Cast Iron
Shaft	SS – 410
Upper Housing / Bracket	Cast Iron
Shaft Seal	Nitrile butyl Rubber
Thrust Assembly	Leaded Bronze & Composts / S.S 420 Vs Graphite Carbon
Journal Bearings	LTB4
Sand Guard (Rubber	Nitrile Rubber
Locking Strip / The Rod	Mild Steel / S.S
Check Valve Housing	Cast Iron
Check Valve	Delrin
Check Valve Seat	Nitrile butyl rubber
Outer Shell / Casing	Cast Iron / S.S 304 / (DIN 1.4509
Impeller	Cast Iron / Noryl / Delrin / S.S 304
Diffuser Chamber	Noryl
Stop Ring	S.S 304 / Hylem
Intermediate Bearing (Sleeve / Bush)	S.S 304 / NBR
Suction inter Connector	Cast Iron
Pump Shaft	S.S 304 / S.S 410
Coupling	S.S 304 / S.S 410

CHARACTERISTICS OF CLEAR COLD WATER

CHARACTERISTICS OF CLEAR COLD WATER
Maximum liquid temperature	33°C (max.)
Permissible amount of sand	50 gm/m³ (max.)
Allowable solid	3000 ppm (max.)
Chlorine 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