NEMA Pumps International L.L.C

dubai, United Arab Emirates

Centrifugal single impeller low head water pumps for flow irrigation systems with high flow fates. Suitable to pump clean water or non-aggressive liquids charged with small solid impurities. To be used in flow irrigation systems, in gardening and agriculture and in industrial fittings.

Condition of Usage

- Maximum Working pressure 3.5 bar

- Liquid temperature up to 60C, Ambient temperature

up to 40C & Total suction lift up to 8m

- Continuous duty

Technical Data

- TEFC 2 pole motor with Insulation Class F

- Protection degree IP54/IP55

- I-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

They are particularly suitable for domestic applications such as supply water from well, pool etc, the automatic distribution of water by surge tanks and pressure switch, gardening, and increasing of water pressure. Pump body: Cast iron, Impeller: BRASS/TP/SS (optional ).

Motor

- T. E. F. C., class F insulation, Ip55 protection, continuous duty.

- Maximum ambient temperature: +40C

- Single phase version: 220V/50Hz, 2800rpm

- Three phase version: 380V/50Hz, 2800rpm

- Overload protection can be provided upon request

Working Condition

- Suction/Discharge size: G1"

- Max. Working pressure: 6 bar

- Max. Working temperature: 45C

- Max. Suction head: 8m

Series self-priming electric pumps, equipped with waterproof plug & power cord and watertight switch. It is suitable for gardening, water supply, washing, increasing water pressure, ect. It is usually can be combined with a pressure switch and surge tank to be used as Domestic Water System for distributing water.

Motor

- T. E. F. C., class F insulation

- Ip55 protection, continuous duty

- Maximum ambient temperature: +40C

- Single phase version: 220V/50Hz, 2800rpm

- Three phase version: 380V/50Hz, 2800rpm

- Overload protection can be provided upon request

Working Condition

- Suction/Discharge size: G1"

- Max. Working pressure: 6 bar

- Max. Working temperature: 45C

- Max. Suction head: 8m

Suitable for circulation cleaning system of various production lines and transporting media containing impurities

Performance Limits

- Max. Solid diameter: 14mm

- Liquid temperature:15C+80C

- Can be connected with threaded tube or hose

- This pump can be used at full head without overloading motor

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

Compact hydromassage units

Motor

- Asynchronous, two poles

- IP 55 protection

- Class F insulation

- Continuous operation

- Built-in thermal protection

Material

- Suction and discharge mountings and motor mountings in techno polymer

- Motor shaft in stainless steel AISI-420

- Impeller in techno polymer

- Mechanical seal in graphite and steatite

- Motor housing in aluminium L-2521

- Windings impregnated with epoxy resi

Recycling and filtering of water for medium and commercial swimming pools

Motor

- Asynchronous, two poles

- IP 55 protection

- Class F insulation

- Continuous operation

- Single phase version built-in thermal protection

Material

- Pump body, pump foot and diffuser in glass loaded techno polymer

- Impeller and seal mounting in techno polymer

- Motor shaft in stainless steel AISI 420

- Mechanical seal in graphite and Ceramic

- Motor housing in aluminum L-2521

Control Panels For 3 Three Phase Motor Pumpsdirect Starting With Thermal Protectionfor Wastewater / sewage

Technical Data

- Power supply 3 50/60Hz 400V 10%;- Main disconnecting switch with door lock; - Transformer for power supply of auxiliary circuits;- Contactor for each motor;- Exchanger;- Protection degree IP 55

Design

Any configurations / specifications including D+S, 2 D +S, D+S+J +A/S, control panels with soft starters, variable speed drives, PLC etc., can be designed and supplied on request.

The base of the pump is in galvanized steel/channel and the manifolds are made of G.I/Copper/SS Each discharge and suction manifolds will be fitted with 2 numbers gate valve and one non return valve. Two pressure switches, automatic operation) and a pressure gauge are mounted on it.- Very low voltage auxiliary circuit- Motor switch-on and switch-off are controlled by two pressure switches- provision to a float switch in the suction of the tank will prevent the pump from dry run- A device is present that inverts the insertion order of the pumps at every start-up- Power supply: - 230V, 50Hz single phase - 400V, 50 Hz three phase

Functioning Principles

The discharge or however the delivery of water from the system with the pumps at a standstill, causes the pressure to drop there by enabling the two pump to start with the help of the pressure switch which is set at the minimum pressure (cut in is set by the minimum system requirement). The pump will run until the demand /requirements met (i.e. the pump will run to the max flow rate) pump. If the outlet discharge exceeds the flow rate of a pump, the pressure continues to drop until it causes the closure of the contact of the second pressure switch and the start-up of the third pump. This case the three pumps will run. When the demand is met (the water requirement is satisfied) the pressure increases and the pressure switch senses the pressure-(cut off is set by the system requirement) and sends signal to control panel to stop the pump.

AEV series motors are totally enclosed fan cooled cast iron three-phase squirrel cage induction motors to meet IE 2 standard. The feature of AEV series motors is high efficiency and starting torque The rated output and the mounting dimensions are fully conformed to the standard IEC and DIN 42673. The motors are suitable for driving various kinds of machines and equipments without special requirements.

Specifications Features

- Rated voltage :380V/660V or on request

- Rated frequency :50Hz or 60Hz

- Connection :Star-connection for 3KW or less, delta-connection for 4KW or more

- Duty/Rating :Continuous(S1

- Insulation class :F

- Protection class :The main body of the motor is IP54, terminal box reaches IP55

- Cooling method :IC411 (cooled by SELF-FAN)

- Ambient temperature :-1540

- Altitude :not exceeding 1000meters above sea level

- Relative humidity :less than 90%

AEV EX series motor has these good features of high efficiency, energy saving, big temperature-rising rang, life, excellent performance, low noise, small libration, high-grade protection, advanced explosion-proof structure, safety and reliability, convenient saving power equipment being applied in the industries of coal, oil, chemical industry etc.

Specifications Features

- Rated voltage : 380V/660V or on request.

- Rated frequency : 0Hz or 60Hz

- Duty/Rating : Continuous (S1)

- Explosion Proof marks : Exd I, Exd II AT4, Exd II BT4

- Protection class : IP55

- Cooling method : IC411

- Ambient temperature : -1540

- Altitude : not exceeding 1000meters above sea level

- Relative humidity : less than 90%

Motors are designed with quality material and unique features to assure years of dependable operation. NEMA Standard flange connector. Oil-filled motor keeps windings cool, permanently lubricated bearings to provide reliable pump service. Watertight double-insulated cable entry system prevents capillary action and protects against moisture. A rubber diaphragm is provided to guard against pressure and volume variations due to thermal expansion of oil inside the motor.

Specification

- Insulation class: F

- Protection class: Ip68

- Water temperature: up to 35C

- PH: 6.5 - 8.0

- Maximum No. of starts per hour: 30

- Maximum immersion depth: 350 m

- Fluid-lubricated thrust bearings

- Lip seal protected by sand guard

- Extractable supply cable

- Fitted with watertight connector

- Power: single-phase: 0.37Kw2.2Kw three-phase: 0.55Kw7.5Kw

- Power supply: single-phase 230V10%, 50Hz. 220V10%, 60Hz three-phase 230V10%, 50Hz. 220V10%, 60Hz three-phase 400V10%, 50Hz. 380V10%, 60Hz

- Tansferring wastewater between the tanks at small-scale treatment facility

- Draining sewage from factory, residence, hotel, restaurant, etc

- Pumping rainwater and springwater at a place where foreign objects are likely to run into the water

Special features on request

- Other voltages

Specification

- Water temperature upto 40C

- PH: 4 to 10

- Power supply: single phase 220v10%, 50Hz; 60Hz; three phase 380v%, 50Hz; 60Hz;

- Insulation class: F

- Cable: length 8m

- Max water depth: 10m

- Civil engineering

- Mines, Quarries, Coal Ore & Slurries

- Sewage treatment plants

- General pumping purposes

Special features on request

- Other voltages

Specification

- Capacity: upto 100m3/h

- Head: upto 36 meters

- Power: 0.25Kw (o.35HP) to 5.5Kw (7.5HP)

- Power supply: single phase 220v10%, 50Hz, 60Hz three phase 380v10%, 50Hz, 60Hz

- Insulation class: F

- Protection class: Ip68

- Water temperature: up to 40C

- Max. water depth: DSXM 0.250.75Kw; 10m DSX(M) 1.55.5Kw; 50m