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Denwell Fluid Controls
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MDP 400 PP Seal-less Magnetic Drive Pumps

MDP 400 PP Seal-less Magnetic Drive Pumps Specification

Control System
Manual

Caliber
40 mm

Flow Rate
400 LPM

Noise Level
Below 70 dB

Mounting Type
Baseplate Mounted

Discharge Pressure
Max 2 bar

Voltage
415V AC, 50 Hz

Working Temperature
Up to 80C

Frequency
50 Hz

Inlet/Outlet
40 mm x 40 mm

Max Suction
3 meters

Features
Leakproof, Maintenance Free, High Chemical Resistance

Theory
Centrifugal Pump

Speed
2900 RPM

Head Size
20 meters

Material
Polypropylene (PP)

Structure
Single-stage

Power
3 HP

Standard
ISO 2858

Fuel Type
Electric

Pressure
2 bar

Usage
Industrial Chemical Transfer

Application
Acids, Alkalis, Corrosive Liquids

Suction Type
Horizontal Suction

Seals Type
Seal-less Magnetic Drive

Priming
Self-priming

Pump Type
Magnetic Drive Pump

Capacity
400 LPM

Packaging Type
Wooden Box / Carton

Cooling Type
Air Cooled Motor

Weight
Approx. 25 kg

Protection Class
IP55

Bearing Type
Double sealed ball bearings

Direction of Rotation
Clockwise (viewed from drive end)

Impeller Type
Closed Impeller

Magnet Material
Rare Earth Magnets

Max. Solid Passage
Up to 5 mm

Installation Position
Horizontal

Design
Back Pull-out Design

MDP 400 PP Seal-less Magnetic Drive Pumps Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
100 Pieces Per Month

Delivery Time
7 Days

About MDP 400 PP Seal-less Magnetic Drive Pumps

Denwell seal-less magnetic drive centrifugal pump operates by connecting anexternal magnet directly to the motor shaft, which then conveys torque toan internal magnet. This setup generates a magnetic field that allows theimpeller to rotate and move the fluid without any physical contactbetween the moving parts. The rear casing, situated between the two magnetic assemblies, hermetically seals the hydraulic section from themotor, ensuring no fluid leakage.

Exceptional Chemical Resistance and Leakproof Operation

Crafted from corrosion-resistant Polypropylene and equipped with a seal-less magnetic design, the MDP 400 ensures that hazardous chemicals remain securely contained. Its leakproof structure and closed impeller effectively prevent environmental contamination and reduce maintenance frequency, making it especially suited for demanding industrial chemical transfer applications.

Efficient and Reliable Design for Industrial Use

With a robust air-cooled motor and double-sealed ball bearings, the pump delivers reliable, continuous performance at speeds up to 2900 RPM. Its baseplate mounting, back pull-out design, and IP55 protection allow for straightforward installation, easy servicing, and operation in tough environments. The self-priming feature and 3-meter suction capability further enhance operational convenience.

FAQ's of MDP 400 PP Seal-less Magnetic Drive Pumps:

Q: How is the MDP 400 PP Seal-less Magnetic Drive Pump installed and positioned?

A: The pump is designed for horizontal installation and should be baseplate mounted. Ensure the pump is aligned and securely fixed at the installation site before connecting the electrical supply (415V AC, 50 Hz) and fluid lines.

Q: What types of fluids can be transferred with this pump model?

A: This pump is ideal for transferring acids, alkalis, corrosive liquids, and other aggressive chemicals. Its Polypropylene construction and seal-less magnetic drive ensure high chemical resistance and leak-free operation, making it suitable for industrial chemical handling.

Q: When should the pump be serviced or maintained?

A: Due to its seal-less, leakproof magnetic drive design and double-sealed ball bearings, the MDP 400 requires minimal maintenance. Routine visual inspections are recommended, but there is no regular seal replacement needed, reducing downtime and servicing costs.

Q: Where can this pump be used effectively?

A: The MDP 400 PP pump is widely used in chemical processing plants, wastewater treatment facilities, laboratories, and industrial settings where transferring hazardous, corrosive, or abrasive fluids is required. Its robust construction and high resistance make it a versatile choice for demanding environments.

Q: What are the operational benefits of a closed impeller and rare earth magnets in this pump?

A: The closed impeller enhances hydraulic efficiency while minimizing energy loss and wear. The rare earth magnets deliver strong coupling torque for reliable, leakproof operation and long-lasting performance, even with challenging chemicals.

Q: How does the leakproof feature enhance industrial safety and process reliability?

A: The seal-less magnetic design eliminates the risk of fluid leakage, protecting workers, equipment, and the environment from hazardous spills. This also ensures compliance with safety regulations and minimizes process interruptions caused by maintenance.

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