PML
Plate Type Magnetic Chute
Plate Type Magnetic Chute
Starting from Rs.81,608
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Product Details
At a Glance
A plate type magnetic chute uses magnetic plates fitted inside the chute body to trap ferrous particles from dry, granular or powdered material, built for the same sticky, non-free-flowing materials PML's standard bullet-type chute handles, in an easy-clean plate configuration. PML's plate type chutes are rated up to 500 Gauss for continuous operation up to 80°C.
The PML Plate Type Magnetic Chute uses magnetic plates fitted inside the chute body to trap ferrous particles from dry, granular or powdered material — built for the same sticky, non-free-flowing materials our standard bullet-type chute handles, in an easy-clean plate configuration that's simple to install and maintain.
Standard Range — High-Intensity Easy-Clean, 4,000 ± 500 Gauss, Max. Operating Temp. 80°C
| Model | Inlet/Outlet Dia. (mm) | Total Height (mm) | Attraction Distance |
| ECPHM 1 | 150 | 300 | 4″ |
| ECPHM 2 | 200 | 300 | 4″ |
| ECPHM 3 | 250 | 400 | 4″ |
| ECPHM 4 | 300 | 400 | 4″ |
| ECPHM 5 | 350 | 400 | 4″ |
Key Advantages
- Built for Sticky Material
The open chute design keeps sticky or non-free-flowing product moving cleanly through.
- Easy-Clean Plate Access
The plate housing design gives quick access for clearing captured iron.
- 4″ Attraction Distance
Consistent capture depth across the standard model range.
- Simple Installation
Fits directly into the flow line via standard flange connections.
Where It's Used
Plastics, food, spices, chemicals, dyes and powder pigments, and pharmaceutical processing — wherever sticky or powdered material needs iron removal in an easy-to-maintain plate configuration.
What We Need for a Custom Chute Quote
- Size of the duct and flange the chute needs to fit
- Type of material and particle size
- Size and concentration of expected contamination
- Flow rate
Frequently Asked Questions
How is this different from the bullet-type Magnetic Chute?
Both handle sticky, non-free-flowing material — this version uses a plate-based housing designed for easy access and cleaning, while the bullet-type chute centres a conical magnet in the flow.
How is it cleaned?
The easy-clean plate housing gives quick access to the captured iron without needing to dismantle the chute.
Can it be sized for my duct?
Yes — the standard range covers 150–350mm inlet/outlet diameters; custom sizes are available on request.
What Gauss rating does it use?
4,000 ± 500 Gauss, with a maximum operating temperature of 80°C.
What's the attraction distance?
4 inches, consistent across the standard model range.
Why Buy From PML
- 65+ years of magnetic separation engineering — a full range of chute, grill and filter solutions for sticky and free-flowing materials alike.
- Made and tested in-house — every chute is manufactured and checked to its stated Gauss rating.
- Custom sizing available — matched to your exact duct and flange requirements.
- Magnetic calibration and audit services available to verify field strength over time.
Need a custom size or configuration? Enquire now and our engineering team will size the right chute for your line.
Why Magnetic Strength Drops in Ferrous Separators (and When to Replace)
Separation efficiency falls as magnetic strength decreases. Below are the most common causes of reduced field strength in NdFeB (neodymium) magnetic separation equipment, along with the warning signs that indicate a magnet or separator needs replacing.
Causes of Reduced Magnetic Strength
- Thermal demagnetization: Standard Neodymium-Iron-Boron (NdFeB) grades lose magnetic strength when exposed to temperatures above their rating — often starting at 80°C / 176°F for standard grades. Exceeding these limits causes a permanent loss of magnetic flux.
- Corrosion and core oxidation: NdFeB is highly iron-rich and oxidizes quickly. If moisture, washdown liquids, or corrosive chemicals breach the outer stainless steel cladding, the magnet swells, crumbles, and loses field strength.
- Mechanical damage and internal cracking: NdFeB is brittle. Dropping magnetic tubes during cleaning, or subjecting them to heavy equipment vibration, causes internal micro-fractures that break the continuous magnetic circuit.
- Strong opposing magnetic fields: A sufficiently strong opposing field can overcome a material's coercivity and flip or randomize its magnetic domain polarity. High alternating current (AC) electric fields, in particular, create powerful local alternating magnetic fields that rapidly scramble domain alignment.
- Material buildup ("air gap" effect): Accumulated fine iron on the surface acts as a barrier, pushing the active magnetic field further away from incoming material. Because magnetic force decays exponentially with distance, even a few millimetres of buildup severely reduces capture rates.
- Increased process velocity or burden depth: Running material too fast, or in overly thick layers, prevents fine ferrous particles from spending enough time in the peak magnetic field zone to be pulled out of the flow.
Signs an NdFeB Magnet or Separator Needs Replacing
- Drop in gauss rating: Annual or semi-annual gauss testing shows a permanent drop of 10–15% or more from the baseline specification.
- Bulging or "pillow" swelling: The protective stainless steel tube cladding looks warped, swollen, or cracked — a sign of internal oxidation where rust has expanded inside the shell.
- Dead spots along the field: Measuring with a gauss meter reveals localised spots with zero or drastically lower magnetic pull across the grid or tube surface.
- Downstream metal contamination: Ferrous fines or tramp iron start showing up in final product testing or downstream machinery detectors despite the separator being clean.
- Structural casing punctures: Scratches, gouges, or pinhole leaks in the stainless steel jacket expose the internal magnetic circuit to moisture and process fluids.
Regular gauss testing (at least annually) is the most reliable way to catch strength loss before it affects downstream product purity — PML's own range of Gaussmeters and magnetic field meters covers this. If you're seeing any of the signs above, talk to our team about testing or replacing your separator.
