NEMA Pumps International L.L.C

dubai, United Arab Emirates

The 2CMH series consists of CENTRIFUGAL PUMPS with two BACK-TO-BACK IMPELLERS, working in series. The first impeller directly faces the suction opening machined in suction body. The second impeller is housed back-to-back to the first in the delivery body. The shape of the impellers transmits a radial motion to the fluid from of pressure and an increase in speed. After leaving the first impeller the fluid passes to the volute in the suction body connected to the second impeller suction chamber where it receives an equal energy increase. After leaving the second impeller the fluid enters the volute of the delivery body and the tapered diffuser which transform part of the kinetic into pressure energy. The axial hydraulic thrusts are perfectly balanced by the back-to-back installation of the two impellers on the same shaft, thus avoiding any overload on the motor bearings.

Performance Range

- Flow rate up to 180 l/min (10.4m3/h)

- Dynamic head up to 65m

Technical Data

- TEFC 2 pole motor

- Insulation Class F

- Protection degree IP54/IP55

- 1-230 V+/-10% 50HZ, 3-230/400V+/-10% 50HZ

- Permanent split capacitor and automatic thermal overload for single phase version

- Thermal protection to be provided by the user for three phase version

Operating Limits

- Suction life up to 7m

- Fluid temperature up to +60C

- Maximum ambient temperature +40C

The pumps are suitable for transporting clean media which are non-aggressive to stainless steel SUS304 or SUS316- Water supplying systems- Pressure boiler feeding- Pure water treating systems- Pharmaceutical, food and- refining chemical industries- Washing and sprinkling

Technical Data

- Asincronous 2 and 4 pole motor

- Insulation class F

- Protection Degree IP 55

- Thermal protection by user

Performance Limits

- Max. Working pressure:10bar

- Mechanical seal working temperature:1. With NBR/ceramic/carbon: 80C2. With Viton/ceramic/carbon: -200C+110C 3. With silicone rubber/ceramic/stainless steel: -20C+110C

- ZX - CASING, IMPELLER, SHAFT IN SS 304

- ZXL - CASING, IMPELLER, SHAFT IN SS 316

- ZX (S) - STUB SHAFT MONOBLOC WITH STANDARD MOTOR AND FLEXIBLE COUPLING

- AVAILABLE IN 4 POLE, BARE SHAFT MODELS AS OPTIONAL

CORA LINE series vertical in line pump offer vertical and CL ose coupled design for space saving to meet the needs of users in a variety of cold and hot water circulation, civil and general industrial. They are driven by IEC standard motor and less space-required for installation.

Application

- Heating, ventilation and air-conditioning- Fire Protection and Fire Fighting- Water circulation- Liquid transfer- Irrigation- HVAC- Booster systems

Operating Data

- Max Flow Rate (Qmax)600 m3/h

- Max Head (Hmax) 155mm

- Speed 14502900 rpm (50HZ), 17503500 rpm (60HZ)

- Temperature -10 Celsius to 105 Celsius

- Working Pressure 1.6 MPa standard

CORANORM series end suction centrifugal pumps are designed with technical benefits to meet the needs of users in variety of city water supply, fire fighting, irrigation and cooling applications.

Application

- Heating, ventilation and air-conditioning- Fire Protection and Fire Fighting- Water circulation- Liquid transfer- Irrigation- HVAC- Booster systems

Operating Data

- Flow Rate(Q) 2-1100 m3/h

- Head(H) 2-152m

- Speed 14502900 rpm (50HZ), 17503500 rpm (60HZ)

- Temperature -10 Celsius to 105 Celsius

- Working Pressure 1.2 MPa standard, 1.6 MPa on request

Spray irrigation systems, hydro pneumatic sets & industrial installations

VMX vertical multipolar and stainless steel Centrifugal pump, manufactured by adopting advanced denimark technology. The best advantage is the advantages of advanced water-power model design, high efficient and save power. There is vane wheel inside, the pump shell and main fittings takes with stainless steel punch, flow-road is very smooth, axle is hard metal tool, so that will be super-powerful long lasting using time, to prevent producing second pollution, and its axle cover seals with wear-resisting machine, unravel. Electrical machine adopts MS lead case, import bearing, insulating grades F. Pump works smoothly, and low-noise. The quality of this product is dependable, good appearance, small bulk, light, and easy for transport and install. It is ideal water pump of green and environment protection and power saving.

Working Condition

- Hot and cold clean, non-flammable, non-explosive liquid without solid grain and fiber

- Liquid temperature: ambient temperature -15C+70C, hot-water+70C+120C;

- Highest environmental temperature: +40C

- Min inlet pressure: according to NPSH curve + min safe delivery 0.5m water head

Typical Application

- Urban water supply and pressure boosting

- Industrial circulating system and processing system

- Water supply for boiler or condensate system

- Environmental protection water treatment and infiltration analysis system

- Agriculture irrigation and rewatering

- Industrial building cleaning and other washing work

- (Others) many special applications