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Centrifugal Pump

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Centrifugal Pump Specification

Temperature Range
Up to 80°C

Measurement Range
Flow rate up to 70 LPM

Feature
Highly Efficient

Power Source
Electric

Voltage
220V / 415V

Core Components
Pump, Motor, Shaft, Impeller

Frequency
50 Hz

Capacity
12 to 70 LPM

Accuracy
100 %

Automation Grade
Manual

Model No
Standard Centrifugal Series

Equipment Materials
Cast Iron, Stainless Steel

Type
Centrifugal Pump

Usage
Laboratory

Dimension (L*W*H)
Varies by model (e.g., 350x250x200 mm)

Weight
Approx. 20-60 kg (depending on model)

Max Suction Lift
Up to 7 meters

Seal Type
Mechanical Seal

Noise Level
<70 dB

Impeller Type
Closed / Semi-Open

Fluid Compatibility
Water, Mild Chemicals

Head
8 to 28 meters

Discharge Outlet
25 mm to 50 mm

Application
Water Handling, Chemical Processing, Agriculture

Max Fluid Viscosity
Up to 50 cP

Protection Class
IP55

Serviceability
Easy Maintenance

Mounting Type
Base Mounted

Pump Speed
2880 RPM

Inlet Size
25 mm to 50 mm

Motor Phase
Single / Three Phase

About Centrifugal Pump

CENTRIFUGAL PUMP

Centrifugal pumps are turbomachines that are used for conveying fluids. The HM 150.04 unit can be used to study a centrifugal pump and to record a typical pump characteristic curve.

The experimental unit includes a self-priming centrifugal pump, a ball valve on the outlet side and manometers on the inlet and outlet side. It is driven by an asynchronous motor. The speed is infinitely adjustable by using a frequency converter. A ball valve is used to adjust the head.

In experiments, the operating behaviour of the pump as a function of the flow rate is studied and displayed in characteristic curves. The motors speed and electrical power are displayed digitally. Pressures on the inlet and outlet side are displayed on two manometers. The experimental unit is positioned easily and securely on the work surface of the base module. The pump draws in water from the tank on the base module. The flow rate is determined volumetrically by flowing back into the measuring tank.

The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

Learning Objectives / Experiments

Familiarisation with operating behaviour and characteristics of a centrifugal pump through experiments
Recording the pump characteristic curve at a constant pump speed
Measuring the inlet and outlet pressure
Determining the flow rate
Recording the pump characteristics for different speeds
Power and efficiency curves
Measuring the electrical drive power
Determining the hydraulic power
Calculating the efficiency

Specification:

Investigation of a centrifugal pump
Drive with variable speed via frequency converter
Ball valve to adjust the head
Manometers on the inlet and outlet side of the pump
Digital display of speed and power
Flow rate determined by base module
Water supply using base module

Technical Data:

Centrifugal pump, self-priming
Max. flow rate: 3000L/h
Max. head: 36,9m

Asynchronous motor:

Nominal power: 370W

Measuring ranges:

Pressure (outlet side): -1...5bar
Pressure (inlet side): -1...1,5bar
Speed: 0...3000min-1
Power: 0...1000W

Dimensions and Weight:

LxWxH: 1130x660x680mm
Weight: approx. 54kg

Versatile Applications

The centrifugal pump is engineered for a wide array of uses, spanning water supply in agriculture, chemical processing, laboratory operations, and efficient water handling. Its compatibility with water and mild chemicals, coupled with its temperature tolerance up to 80C, enables reliable performance in diverse conditions. From small-scale laboratory tasks to larger industrial requirements, this pump offers flexibility and dependability.

Efficient and Durable Design

Constructed from high-quality cast iron and stainless steel, the Standard Centrifugal Series ensures longevity and robustness. The pump incorporates a mechanical seal for leak prevention and operates quietly, with noise levels under 70 dB. Its closed or semi-open impeller efficiently delivers flow rates from 12 to 70 LPM, making it suitable for precision tasks and demanding environments alike.

User-Friendly Maintenance

The pump is designed for straightforward serviceability, simplifying routine maintenance and minimizing downtime. Base-mounted installation supports stable operation, while the accessible mechanical seal and core components allow easy inspection and part replacement. This makes the pump a practical and cost-effective solution for continuous, hassle-free operation.

FAQs of Centrifugal Pump:

Q: How do I select the correct model of centrifugal pump for my application?

A: To choose the right model, consider the required head (828 meters), discharge outlet size (2550 mm), flow rate (1270 LPM), fluid viscosity (up to 50 cP), and motor phase (single or three-phase). Evaluating the chemical compatibility and temperature requirements of your fluid is also crucial.

Q: What fluids are suitable for use with this centrifugal pump?

A: This pump is compatible with water and mild chemicals, making it ideal for tasks in agriculture, laboratory, and chemical processing industries. It is designed to handle fluids up to 50 cP viscosity and temperatures up to 80C.

Q: When is mechanical seal maintenance recommended?

A: Routine mechanical seal inspection should be conducted during regular maintenance intervals, typically every 612 months depending on the applications operating conditions and frequency of use. Promptly address any leakage or noise to prevent operational issues.

Q: Where can this centrifugal pump be installed?

A: The unit is suitable for base-mounted installation in indoor environments such as laboratories, factories, agricultural setups, and processing plants. Ensure the installation area is stable and provides protection from excessive moisture and dust to maintain IP55 protection.

Q: What is the service process for maintaining this pump?

A: Maintenance involves shutting off the power, ensuring the system is depressurized, then inspecting and, if necessary, replacing components like seals or impellers. The design allows easy access to key parts which streamlines servicing for routine and preventive maintenance.

Q: How does using this centrifugal pump benefit my operations?

A: With high efficiency, accurate flow rates, and easy maintenance, this pump optimizes fluid management, reduces operational downtime, and provides reliable performance even in demanding environments. Its low noise operation ensures a comfortable workspace as well.

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