E Series Self Priming Pumps

The Stanflo E Series Centrifugal Pumps deliver flow rates from 2 to 1,100 m³/h and heads up to 150 metres across India. With temperature capability from -10°C to 150°C, they suit HVAC, water transfer and industrial circulation applications.

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Product Description

E Series Centrifugal Pumps

E Series Centrifugal Pumps provide efficient water and compatible liquid transfer for industrial, commercial and building-services applications across India. Stanflo designs the range as horizontal, single-stage end-suction pumps that comply with DIN 24255 dimensional and performance requirements.

Moreover, the series covers a broad hydraulic range. Therefore, engineers can select suitable models for water supply, cooling, irrigation, pressure boosting and industrial circulation systems.

Reliable End-Suction Pumping Performance

The E Series uses an end-suction inlet with a vertical centreline discharge. This arrangement supports smooth liquid entry into the impeller while simplifying connection to conventional pipework.

In addition, the double-shrouded impeller uses balancing back vanes. Consequently, the design helps control hydraulic loads during operation.

The volute casing also contains a replaceable wear ring. Therefore, technicians can replace a wear component rather than allowing unnecessary wear to affect the main casing.

Key Features and Benefits

The E Series Centrifugal Pumps provide:

  • Horizontal single-stage end-suction design
  • DIN 24255 dimensional standard
  • Back pull-out construction
  • Double-shrouded impeller
  • Balancing back vanes
  • Replaceable casing wear ring
  • Standard mechanical shaft seal
  • Optional gland packing
  • Flexible casing and impeller materials
  • Heavy-duty bearing options
  • Flow rates up to 1,100 m³/h
  • Heads up to 150 metres
  • Temperature options up to 150°C
  • Casing pressure options up to 16 bar

Together, these features support efficient water transfer, circulation and pressure duties across a broad range of applications.

DIN 24255 Pump Design

Stanflo manufactures the E Series according to DIN 24255 requirements. Therefore, the pumps follow recognised dimensional and hydraulic design principles for end-suction centrifugal pumps.

Furthermore, the standardised arrangement can simplify pump selection, plant layout and future maintenance.

Back Pull-Out Construction

The back pull-out design allows technicians to remove the rotating assembly without disconnecting the main pump casing from the pipework.

As a result, maintenance teams can access the shaft, bearings, seal and impeller more efficiently. Moreover, installations using a spacer coupling may allow pump servicing without moving the motor.

Consequently, the E Series Centrifugal Pumps can help reduce maintenance downtime in industrial and building-services systems.

Flexible Material Options

Standard configurations use a cast-iron casing, bronze impeller and SUS 420 stainless-steel shaft.

However, Stanflo also lists optional cast-iron and stainless-steel impellers, together with bronze and stainless-steel casing options.

Therefore, engineers can match pump materials to the liquid and operating environment. Nevertheless, users should confirm chemical compatibility, corrosion risk and temperature before final selection.

Seal and Bearing Options

The standard E Series uses a mechanical shaft seal. Alternatively, selected applications can use gland packing.

Moreover, the range incorporates grease-lubricated bearing arrangements. Stanflo also offers reinforced bearings and larger pedestal-housing options for demanding duties.

Therefore, the pump can be configured for different operating and maintenance requirements.

E Series Performance Range

Published range-wide performance includes:

  • Flow rate: 2 to 1,100 m³/h
  • Total head: 2 to 150 metres
  • Speed at 50 Hz: 1,450 to 2,900 rpm
  • Speed at 60 Hz: 2,900 to 3,500 rpm
  • Standard liquid temperature: -10°C to 105°C
  • Optional temperature capability: Up to 150°C
  • Standard casing pressure: 10 bar
  • Optional casing pressure: 16 bar

Therefore, E Series Centrifugal Pumps can support compact circulation duties as well as larger industrial water-transfer systems.

However, maximum figures do not apply simultaneously to every model. Consequently, engineers should select the exact pump from its official hydraulic performance curve.

E Series Centrifugal Pump Applications in India

The E Series Centrifugal Pumps may support applications across India such as:

  • Water supply systems
  • Air-conditioning and HVAC systems
  • Chilled-water circulation
  • Cooling and condenser water
  • Heating-water circulation
  • Agricultural irrigation
  • Pressure boosting
  • Industrial water transfer
  • Plumbing systems
  • General dewatering
  • Process-water circulation
  • Building-services systems

Suitable configurations may also support fire-water duties. However, engineers must confirm that the complete pumping system meets all required project standards, certifications and applicable fire-safety approvals.

Suitable Pumped Liquids

The E Series primarily handles water and similar compatible liquids.

Therefore, the pumped liquid should remain reasonably clean and chemically suitable for the selected casing, impeller, shaft and seal materials.

Because the range uses an end-suction design rather than a self-priming arrangement, installations generally require flooded suction or another suitable priming method.

Selecting the Correct E Series Pump

Correct selection depends on:

  • Required flow rate
  • Total dynamic head
  • Liquid temperature
  • Operating pressure
  • Suction conditions
  • Material compatibility
  • Motor speed and frequency
  • Seal arrangement
  • Continuous operating duty
  • Maintenance access

In addition, engineers should review cavitation risk and available net positive suction head.

Therefore, users should select E Series Centrifugal Pumps from model-specific hydraulic and technical data. Correct selection helps improve efficiency while reducing vibration, seal wear and hydraulic damage.

Product Enquiries in India

The E Series Centrifugal Pumps are presented through Pumps Bharat for HVAC, water supply, industrial circulation, irrigation, pressure boosting and other centrifugal pumping applications across India.

When submitting an enquiry, please provide the required flow, total head, liquid temperature, suction conditions, operating pressure, material requirements and electrical supply. Consequently, the available Stanflo E Series configurations can be evaluated against the application requirements.

Wide Flowrate Range:

The E Series pumps cover a flowrate range from 2 m³/hr to 1100 m³/hr. This wide range allows them to meet the needs of both small and large-scale fluid transfer applications. Therefore, they offer versatility for different industries.

High Total Head Capacity:

These pumps can handle total head values from 2 meters to 150 meters. Whether you need to pump liquids over short distances or handle high-pressure tasks, the E Series performs consistently across various head conditions. Hence, it is suitable for demanding applications.

Variable Speed Options:

The E Series offers adjustable speeds, ranging from 1450 to 2900 rpm (50 Hz) and 1750 to 3500 rpm (60 Hz). This flexibility enables you to tailor pump performance to specific needs, ensuring optimal efficiency in different environments. Additionally, this feature enhances the pump’s adaptability.

Temperature Range:

The standard temperature range for these pumps is 10°C to 105°C. However, for more specialized applications, the E Series can handle temperatures up to 150°C upon request. This flexibility extends the pump’s versatility in handling a wide range of fluid types.

Casing Pressure Options:

The standard casing pressure for the E Series is 10 bar, but you can request a higher 16 bar option for more demanding environments. This added pressure capacity ensures the pump is durable and capable of operating effectively under higher pressure conditions.

The Stanflo – E Series Self Priming Pumps are perfect for various industrial sectors, including:

  • Water Transfer: These pumps ensure reliable water movement in municipal and irrigation systems.
  • Chemical Processing: The E Series handles aggressive fluids efficiently in chemical plants, making it an excellent choice for the industry.
  • HVAC Systems: These pumps are ideal for fluid circulation in heating, ventilation, and air conditioning systems, ensuring smooth operation.
  • Food and Beverage: They offer safe and reliable fluid transfer in food production and processing.
  • Mining and Agriculture: The pumps provide dependable fluid handling in mining and agricultural applications, where efficiency is crucial.

In conclusion, the Stanflo – E Series Self Priming Pumps provide high performance, versatility, and reliability across a wide range of industries. With adjustable flow rates, high total head capacity, customizable speeds, and temperature options, these pumps are an excellent solution for fluid transfer tasks, even in demanding environments.