F4281-MK Magnetic Driven Regenerative Turbine Pump – Leak-Free, High Pressure
Key words:
Regenerative Turbine Pump 4281
Magnetic Drive Pumps
pump 4281
Magnetic Circulating pump
Category:
Description
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F4281-MK Magnetic Drive Regenerative Turbine Pump
The FENGHE F4281-MK is a compact magnetic drive regenerative turbine pump designed for hot water, thermal oil and industrial temperature-control circulation systems. Its seal-less magnetic coupling eliminates the conventional shaft seal and helps reduce the risk of fluid leakage during operation.
Four motor configurations are available from 0.75 kW to 2.2 kW. Depending on the selected configuration, the pump provides a maximum flow of 40–80 L/min and maximum head of 45–80 m. Final selection should be based on the required flow, head, medium, operating temperature, voltage and frequency.
Key Features
- Seal-less magnetic coupling without a conventional shaft seal
- Compact regenerative turbine design for low-flow, high-head duties
- Maximum flow up to 80 L/min, depending on motor configuration
- Maximum head up to 80 m, depending on motor configuration
- Suitable for water temperatures up to 180°C
- Suitable for thermal oil temperatures up to 350°C
- Minimum operating temperature down to -100°C for the applicable configuration
- Motor options from 0.75 kW to 2.2 kW
- G3/4 or SAE 3/4 connections, depending on configuration
- SS304 and SS316L material configurations available according to application requirements
- 50 Hz, 60 Hz and explosion-proof motor configurations available upon request
- OEM configuration and export packaging support
Technical Specifications
| Model | Motor Power | Speed at 50 Hz | Maximum Head | Maximum Flow | Connection |
|---|---|---|---|---|---|
| F4281-MK | 0.75 kW | 2800 rpm | 45 m | 40 L/min | G3/4 / OR |
| F4281-MK | 1.0 kW | 2800 rpm | 57 m | 50 L/min | G3/4 / OR |
| F4281-MK | 1.5 kW | 2800 rpm | 60 m | 60 L/min | SAE 3/4 |
| F4281-MK | 2.2 kW | 2800 rpm | 80 m | 80 L/min | SAE 3/4 |
Operating temperature: water up to 180°C; thermal oil up to 350°C; minimum temperature down to -100°C for the applicable configuration.
Selection note: Maximum flow and maximum head represent separate performance-curve limits and do not occur at the same operating point. Please provide the required duty point for correct pump selection.
Typical Applications
- Mold temperature control machines
- Thermal oil circulation systems
- Hot water circulation equipment
- Plastic and rubber processing machinery
- Industrial temperature-control units
- Food-processing equipment circulation systems
- Solar equipment and thermal-control systems
- Medical and laboratory equipment
- Industrial equipment and OEM system integration
How to Select the Correct Pump
Please include the following information with your inquiry:
- Required flow rate
- Required operating head
- Circulating medium
- Operating and maximum temperature
- Required pump material
- Connection type
- Voltage, phase and frequency
- Standard or explosion-proof motor requirement
Frequently Asked Questions
What is the maximum flow of the F4281-MK?
The maximum flow ranges from 40 to 80 L/min, depending on the selected motor and pump configuration.
What is the maximum head?
The available configurations provide maximum heads from 45 to 80 m. The correct model should be selected according to the required duty point.
Can this pump circulate high-temperature thermal oil?
Yes. The applicable configuration can handle thermal oil temperatures up to 350°C. The exact medium composition and operating temperature must be confirmed before ordering.
Is an explosion-proof motor available?
An explosion-proof motor configuration is available upon request. The required protection standard, voltage, frequency and installation environment must be confirmed before production.
Can FENGHE provide OEM configurations?
Yes. Motor specifications, pump materials, connections, labels and export packaging can be discussed according to the order requirements.
Request Pump Selection and Quotation
Send your required flow, head, medium, temperature, voltage and frequency to the FENGHE team for pump selection and quotation.
Website:
www.fzfenghe.com
Email:
info@meccpower.com