Naigra Industries

Memco, Ahmedabad, Gujarat

We are one of the main manufacturers, suppliers, and exporters of Oil Filled Submersible Pump set in Ahmedabad, Gujarat. This range of pump set has a unique design, and has multistage pumps with new hydraulic design instilled which offers high-utility, and uninterrupted services. The pump sets are in high demand because of their efficiency and competitive rates. While the suction and discharge outlets are made of cast iron, we also supply stainless steel on the demand of the client. Some of its salient features are as follows

• It has a special cooling fluid which gives a better lubricant effect
• The winding wire is dual coated with insulation class-F
• The check valve is efficiently designed for trouble-free services

 

Special Features of Motor

• Motor casing and shaft made in Stainless Steel AISI 304.
• Upper / lower bracket & Motor base of Cast Iron. Also Available Stainless Steel on Request.
• Axial and radial thrust ball bearing.
• Standard mechanical Seal graphiteceramic.
• Optional able seal type SIC
• Special Cooling fluid for a better lubricant effect to increase life of moving parts.
• The liquid with its high thermal capacity diaphragm and sand slinger protection.
• Flange & Shaft Protrusion as per NEMA Standard for export.
• Degree of Protection - IP 68.
• Dynamically balanced rotor ensure smooth running.
• Winding wire is dual coated with insulation class-F.
• Removable cable connector.
• Motor cable length 3m/3 core.

Special Features of Pump

• Multistage pumps with new hydraulic design offers high level of performance, mechanically build to last long and provide un-interrupted service.
• Suction and discharge outlets are made of Cast Iron. Also available in Stainless Steel on request.
• Carefully designed impeller and Diffusers are made of resin impregnated thermoplastic. This material ensures high performance and longer life cycle of pump.
• Pump casing is of PPO 20% GF & PC 10% GF
• Pump shaft in SS410.
• Hexagonal Bearing bush and Stainless Steel Sleeve with hard chrome increase the wear resistance of this pump against sand.
• Efficiently designed check valve guarantees trouble free service. even in most critical application.
• Cable guard and strainer in stainless steel.

 

Standard Specification

• Power range - 0.37 kw to 2.2 kw
• Speed - 2880 RPM
• Rotation - CCW
• Version - A.C. Single Phase, 220-230 Valt. 50 Hz Capacitor Start & Run [CSCR],
• Type of Duty - S1 [Continuous]
• Nominal Outlet Size - 32, 38, & 50 mm
• Maximum Liquid-Temperature - 45º C with at least 0.08 mt/sec of water Flow Speed.

 

General

• Better design Optimum efficiency Low power consumption.
• Light weight Ease in installation.
• Filled with special grade oil Lubricant.
• Silent running.
• Reliable in operation.
• Pumps & Motor Couplings are according to NEMA Standard For Export.

 
Applications :

• Irrigation and Drip Irrigation.
• Sprinkler, Gardening and Nursery.
• Domestic water supply & Industrial Water Supply Schemes.
• Bungalows & Housing complexes.
• Ornamental fountains & Small Farms.

Introduction :-

Naigra Openwell Submersible pumpsets are specially designed, with the use of latest manufacturing techniques. Years of experience, superior design and better manufacturing techniques have resulted into development of this range of pumpsets, which are efficient and reliable in operation. Strict quality assurance standards during the total process assure trouble free and reliability in operation requiring minimum maintenance.

Applications :-

Built for coupling with submersible multistage high and low load thrust 6" pumps for clean water deep well.

Special Features of Motors :-

• Suitable for operation under submerged condition in water.
• Provided with strainer in S. S.
• Winding wire poly propylene with insulation Class-B
• Highly durable water cooled rewindable motor.
• Suitable for applications where wide water level fluctuations take place in suction side.
• All internal parts of motor are specially coated with primer to prevent rusting for longer life.
• All pumpsets are supplied with 5 meters Flate cable
• Motor Body made in Cast Iron.
• Bush Material made in LB (LTB-4)
• Bearing Material made in SS VS Carbon water lubricated.
• EN -8 rotor shaft - rust preventive and longer life
• Stamping material made in cold rolled Ele. Grade
• Impeller made in cast iron dynamically balanced.

More Features :-

• Foundation and installation not required.
• Cooling is much better & hence longer life.
• Convenient to move from place to place.
• Noiseless Operations.
• Maintenance free water lubricated bushes.
• Dynamically balanced rotor ensure smooth running.
• Replaceable wearing parts.

Application :-

• Used for water supply where there is a wide fluctuation in water level in suction tank or water supply source.
• Irrigation
• Drip/Sprinkler Irrigation scheme
• Small farms
• Bungalows, Multistoried Buildings
• Gardens
• Domestic water supply
• Community water supply schemes
• Industrial and public water supply schemes
• Ornamental fountain installation and air conditioning plants.

Standard Specifications :-

• Range :- 2.2 Kw to 7.5 kW (3 to 10.0 HP).
• Pipe Size :- 65 x 50 to 100 x 100 mm
• Speed :- 3000 RPM (Syn.)
• Total Head :- Upto 50 Metres
• Capacity :- Upto 1870 LPM
• Liquid :- Clear water
• Rotation :- Clockwise when viewed from motor end
• Motor :- Totally enclosed water filled squirrel cage induction motor suitable for 415V/3 Ph, 50Hz, AC supply.

Naigra OF4 (100MM Oil Filled) Submersible pump sets are specially designed, with the use of latest manufacturing techniques. Years of experience, superior design and better manufacturing techniques have resulted into development of this range of pump sets, which are efficient and reliable in operation. Strict quality assurance standards during the total process assure trouble free and reliability in operation requiring minimum maintenance. Elevated starting torque, mechanical Compactness, superior performance together with most complete range of Products are the principal feature making the OF4 Series Pump Sets. The special design allow an easy access and replacement of all parts subject to the Wear marking simply and quick the eventual servicing of The Pump Sets.

With our fast delivery network, we can easily meet expected delivery deadline of the clients. So, what are you waiting for, place orders now! Well-known Suppliers of Borewell Pumps; we are reckoned for the exceptional range of products that we offer.

Naigra Industries is one of the leading Manufacturers, Suppliers, and Exporters of Communication Submersible Pump (6" to 8") in Ahmedabad, Gujarat. The pump has a water lubricated motor which is rewind able, and suited for a wide voltage of 250/415V for 3Ph. The pump has a dynamically balanced rotor that ensures smooth functioning and suitable to 7” & 8” bore well. On the demand of the customer, we make complete stainless steel. The USP of this range of the pump is that they are easy to install, and the manufacturing process ensures minimum maintenance. Some of its standard specifications are

• Range - 4.5Kw to 18.6kW
• Speed - 2900 RPM
• Head Range - 12 to 80 Mtr

 

Special Features of Motor

•  6" NAIGRA Water Lubricated Motor are rewindable.
•  Motor suitable for wide voltage 250/415V for 3 Ph
•  6" Water Lubricated Motors are rewindable
•  Winding wire poly propylene with insulation ClassB
•  Upper & Lower base made in cast iron and also available in SS 410 on request.
•  Stamping material made in cold rolled Ele. Grade
•  Stator shell is of SS 304
•  Dynamically balanced rotor ensure smooth running.
•  Solid copper bars inserted into our one piece billet rotor offer greater rigidity
•  EN 8 rotor shaft  rust preventive and longer life.
•  Lip seal and sand guard to prevent ingress of impurities into the motor.
•  Specially designed carbon /SS 3 Lose Segment thrust bearing set more life.
•  Mounting is vertical / horizontal
•  Motor cable length - 3m/3 core

Special Features of Pump

•  Suitable to 7" & 8' bore well.
•  Suction, stage casing and discharge outlet in Cast Iron and also available in Stainless Steel on request.
•  Impeller in SS 410 for mixed flow.
•  Stainless Steel Sleeve with hard chrome increase the wear resistance of this pump against sand.
•  Pump shaft in SS  410.
•  Bush Material made in LB (LTB4) & Nitrile Rubber bush.
•  Additional bushes are fitted depending on the number of stages for mixed flow pump.
•  Non return value (NRV) of SS.
•  Cable guard and strainer in Stainless Steel.
•  Complete Stainless Steel pump available on request.

 
More Features :

•  Easy to install and low running cost.
•  Superior material of construction, design, high quality and state of the art manufacturing process ensure minimum maintenance.
•  Easy assembling, dismantling
•  High pumping efficiency for reduced running costs.
•  Energy efficient mixed flow models. Improved hydraulic design ensures better efficiency.
•  Design to start at low voltage and withstand wide voltage fluctuations.
•  Noiseless Operations.
•  Maintenance free water lubricated bushes.
•  Replaceable wearing parts.

 
Applications :

•  Agriculture Irrigation
•  Housing complexes.
•  Industrial water supply schemes.

Standard Specifications :

•  Range -  4.5 Kw to 18.6 kW (6 to 25 HP).
•  Version - A.C. Three Phase, 250415 V. 50 Hz
•  Speed - 2900 RPM
•  Nominal Outlet Size - 100 MM
•  Head Range - 12 to 80 Mtr.
•  Flow Rate upto - 16 to 35 LPS
•  Maximum Liquid Temperature - 500^o C
•  Allowable voltage variation - +6%/10%
•  Rotation - Clockwise when viewed from motor end