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  • Permanent Magnetic Lifter PML-D type
  • Permanent Magnetic Lifter PML-D type

Permanent Magnetic Lifter PML-D type

No.1803

The H-Lift Permanent Magnetic Lifter (PML-D Type) utilizes advanced dual-circuit technology for the safe and efficient lifting of steel plates and pipes without external power.

  • Dual-Circuit Design: Delivers stronger magnetic clamping force while maintaining a lighter self-weight.
  • Easy Release: Minimizes residual magnetism when switched off for smooth and effortless load detachment.
  • No Power Required: Operates as a permanent magnet, eliminating cables, power failure risks, and ongoing costs.
  • Versatile Handling: Safely grips both flat steel sheets and cylindrical loads like pipes and rods.
  • Technical Data

  • How to Select a Magnetic Lifter ?

Dual-Circuit Permanent Magnetic Lifter (PML-D)

Advanced Industrial Lifting Technology - Safe, Powerful, Manual
Dual-Circuit Innovation Light Operating Force Zero Electricity Needed Safety Factor 3:1

The PML-D series represents the next generation in manual magnetic lifting. By utilizing an innovative dual-magnetic-circuit technology with NdFeB magnets, it delivers a substantially stronger clamping force while simultaneously reducing the physical effort required to operate the lever. Designed for ultimate efficiency and safety in steel handling.

⚠️ Critical Safety & Operational Guidelines

  • Surface Conditions Matter: Lifting capacity is highly dependent on the thickness, surface finish, and material composition of the steel. Rust, scale, paint, or air gaps will drastically reduce the magnetic hold.
  • Derating for Round Steel: The rated capacity for lifting round steel (pipes/shafts) is inherently lower than for flat plates (typically 30% of flat capacity). Always reference the technical chart.
  • Manual Safety Lock: Always ensure the handle is fully rotated to "ON" and the safety lock button has clicked into place before lifting.
Capacity (Flat)
300 - 10000 kg
Operating Force
- 40%
Min. Plate Thickness
5 mm
Safety Factor
3:1

Product Highlights

Advanced Dual-Circuit Technology: Unlike traditional single-circuit lifters, the PML-D series channels flux more efficiently. This ensures a stronger clamping force on the payload, while significantly reducing residual magnetism to allow for easy, stick-free load release.
Effortless Operation: The dual-circuit architecture dramatically reduces the rotational force required to engage the handle by approximately 30%–40%, making operation much safer and more ergonomic.
Optimized for Thin Plates: The advanced pole design creates a shallower, more concentrated magnetic field, allowing the unit to safely lift much thinner steel plates (down to 5mm thickness) compared to standard models.
Universal V-Slot Face: Machined with a V-slot base to securely grip both flat plates and cylindrical loads (pipes and solid shafts).
Global Compliance: Fully certified to CE, EN 13155, AS 4991, and ASME B30.20 standards.
PML-D Dual-Circuit Magnetic Lifter
Ergonomic Advantage: The dual-circuit design means the operator expends less physical effort to turn the handle "ON", reducing fatigue and increasing safety in high-cycle environments.

Technical Specifications

Item No. Rated Lifting Strength Max Pull-off
Strength
Main Dimensions Max
Temp
Net
Weight
Product Code
Flat Round L (Length) B (Width) H (Height) R (Handle)
(kgf) (kgf) (kg) (mm) (mm) (mm) (mm) (℃) (kg)
PML03D 300 100 900 133 163 60 180 <80 9.5 180330003
PML06D 600 200 1800 162 234 74 220 <80 21.0 180330006
PML10D 1000 300 3000 190 302 87 265 <80 37.5 180330010
PML20D 2000 600 6000 231 441 107 380 <80 77.0 180330020
PML30D 3000 / 9000 316 417 146 450 <80 165.0 180330030
PML60D 6000 / 18000 422 610 206 820 <80 450.0 180330060
PML100D 10000 / 27000 460 756 240 895 <80 640.0 180330100
Permanent Magnetic Lifter PML Type

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Magnetic Lifting Device PML-A Type

Magnetic Lifter (PML-A Type)

Lifting Magnet PML-L Type

Lifting Magnet (PML-L Type)

Principles for Selection

Magnetic lifters are versatile tools for handling steel plates, blocks, and rounds. They can be used as general-purpose accessories or dedicated to specific applications. However, proper selection is critical for safety.

⚠️ CRITICAL SAFETY NOTE:
Not every load with ferromagnetic properties can be safely handled. The lifting capacity is significantly affected by the thickness, surface finish (air gap), and chemical composition of the load.

Matching the Magnet to the Load

*Diagram illustrating how V-slots concentrate magnetic flux for round loads.

Shape Compatibility

The shape of the magnet face must match the load:

  • Flat Material: Requires a magnet with a flat face for maximum contact area.
  • Round Material: Requires a magnet with a V-shaped recess to properly center and grip the cylinder.

Long & Flexible Loads

For long or flexible plates that may peel off a single magnet, use an arrangement of several magnets in conjunction with a spreader beam. Ensure the magnets are spaced to provide adequate support along the entire length to prevent sagging.

Load Orientation

Lifting magnets are normally rated for lifting a horizontal load in the vertical plane only. If the line of pull is not perpendicular (at right angles) to the load surface, the lifting capacity is substantially reduced, and slippage may occur.

Key Selection Considerations

When selecting a magnetic lifter, evaluate the following 11 points:

  • 1. Capacity: Required Working Load Limit (WLL).
  • 2. Load Characteristics: Shape, surface finish (air gap), and steel grade.
  • 3. Operation Type: Frequency and nature of the lift.
  • 4. Compatibility: Type of hoist/crane the magnet is attached to.
  • 5. Headroom: Available vertical space for the lifter.
  • 6. Portability: Self-weight of the magnet.
  • 7. Controls: Manual lever handle vs. automatic cycling.
  • 8. Power: (If using electro-permanent) Electrical requirements.
  • 9. Personnel: Proximity of people during operation (Safety zones).
  • 10. Redundancy: Need for backup safety features (e.g., dual lock handle).
  • 11. Compliance: Required documentation and certification.

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