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SM 32x425 [2xM8] / N42 - magnetic separator

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: 1-6500
Rating: 5

magnetic separator

Catalog no 130380

GTIN/EAN: 5906301813286

Diameter Ø

32 mm [±1 mm]

Height

425 mm [±1 mm]

Weight

2280 g

Magnetic Flux

~ 8 000 Gauss [±5%]

1266.90 ZŁ with VAT / pcs + price for transport

1030.00 ZŁ net + 23% VAT / pcs

bulk discounts:

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927.00 ZŁ

1140.21 ZŁ

Carbon Footprint – environmental impact GPSR Regulation – product safety

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Strength along with shape of magnets can be analyzed on our modular calculator.

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SM 32x425 [2xM8] / N42 - magnetic separator

Specification / characteristics SM 32x425 [2xM8] / N42 - magnetic separator

properties

properties	values
Cat. no.	130380
GTIN/EAN	5906301813286
Production/Distribution	Dhit sp. z o.o. ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin	Poland / China / Germany
Customs code	85059029
Diameter Ø	32 mm [±1 mm]
Height	425 mm [±1 mm]
Weight	2280 g
Material Type	Stainless steel AISI 304 / A2
Magnetic Flux	~ 8 000 Gauss [±5%]
Size/Mount Quantity	2xM8
Polarity	circumferential - 16 poles
Casing Tube Thickness	1 mm
Manufacturing Tolerance	±1 mm

Magnetic properties of material N42

Specification / characteristics SM 32x425 [2xM8] / N42 - magnetic separator

properties	values	units
remenance Br [min. - max.] ?	12.9-13.2	kGs
remenance Br [min. - max.] ?	1290-1320	mT
coercivity bHc ?	10.8-12.0	kOe
coercivity bHc ?	860-955	kA/m
actual internal force iHc	≥ 12	kOe
actual internal force iHc	≥ 955	kA/m
energy density [min. - max.] ?	40-42	BH max MGOe
energy density [min. - max.] ?	318-334	BH max KJ/m
max. temperature ?	≤ 80	°C

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

properties	values	units
Vickers hardness	≥550	Hv
Density	≥7.4	g/cm³
Curie Temperature TC	312 - 380	°C
Curie Temperature TF	593 - 716	°F
Specific resistance	150	μΩ⋅cm
Bending strength	250	MPa
Compressive strength	1000~1100	MPa
Thermal expansion parallel (∥) to orientation (M)	(3-4) x 10^-6	°C^-1
Thermal expansion perpendicular (⊥) to orientation (M)	-(1-3) x 10^-6	°C^-1
Young's modulus	1.7 x 10⁴	kg/mm²

Technical and environmental data

Material specification

iron (Fe)	64% – 68%
neodymium (Nd)	29% – 32%
boron (B)	1.1% – 1.2%
dysprosium (Dy)	0.5% – 2.0%
coating (Ni-Cu-Ni)	< 0.05%

Environmental data

recyclability (EoL)	100%
recycled raw materials	~10% (pre-cons)
carbon footprint	low / zredukowany
waste code (EWC)	16 02 16

Safety card (GPSR)

responsible entity

Dhit sp. z o.o.

ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki

tel: +48 22 499 98 98 | e-mail: bok@dhit.pl

batch number/type

id: 130380-2025

Quick Unit Converter

Pulling Force

Force (N)

Force in lbs

Magnetic Induction

Induction (T)

Insert a value in any box, to see the remaining fields change on the fly.

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This product serves to effectively catch ferromagnetic contaminants from bulk and liquid products. It is mounted in chutes, hoppers, and pipelines to protect production machines from failure. Thanks to the use of strong neodymium magnets, the rod catches even metallic dust.

The outer layer is hygienic acid-resistant steel, approved for food contact. The core is a precise magnetic system generating high induction (Gauss). Such construction ensures full resistance to corrosion, water, oils, and acids.

Metal filings stick to the surface very strongly, so cleaning requires strength or cleverness. The most effective home method is using adhesive tape, which we wrap around the dirt and peel off. In industry, cover tubes (so-called Easy Clean system) are used, from which the magnetic insert slides out.

The more Gauss, the smaller and more weakly magnetic particles will be effectively caught. Standard rods (~8000 Gs) are sufficient for catching screws, nails, and steel shavings. High Power versions (~12000-14000 Gs) are necessary for catching metallic dust, oxides, and stainless steel after processing.

We can produce a rod of non-standard length with any mounting termination. The rod end is strictly adapted to the fastening system in your device. We ensure fast realization of special orders and technical advice.

Strengths and weaknesses of Nd₂Fe₁₄B magnets.

Strengths

In addition to their pulling strength, neodymium magnets provide the following advantages:

They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (based on calculations),
Magnets perfectly resist against loss of magnetization caused by foreign field sources,
A magnet with a smooth silver surface looks better,
The surface of neodymium magnets generates a powerful magnetic field – this is a key feature,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
Thanks to freedom in forming and the capacity to adapt to complex applications,
Universal use in modern technologies – they are utilized in mass storage devices, electric drive systems, diagnostic systems, and multitasking production systems.
Thanks to concentrated force, small magnets offer high operating force, with minimal size,

Disadvantages

Disadvantages of NdFeB magnets:

At very strong impacts they can crack, therefore we advise placing them in steel cases. A metal housing provides additional protection against damage and increases the magnet's durability.
NdFeB magnets lose force when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
Magnets exposed to a humid environment can rust. Therefore during using outdoors, we suggest using waterproof magnets made of rubber, plastic or other material protecting against moisture
Due to limitations in producing threads and complicated shapes in magnets, we recommend using cover - magnetic mount.
Possible danger resulting from small fragments of magnets pose a threat, if swallowed, which is particularly important in the context of child safety. It is also worth noting that small components of these devices can disrupt the diagnostic process medical after entering the body.
With budget limitations the cost of neodymium magnets can be a barrier,

Holding force characteristics

Highest magnetic holding force – what contributes to it?

The lifting capacity listed is a measurement result conducted under standard conditions:

using a base made of mild steel, acting as a magnetic yoke
with a thickness of at least 10 mm
with an ideally smooth touching surface
without the slightest insulating layer between the magnet and steel
during pulling in a direction perpendicular to the plane
at ambient temperature room level

Determinants of lifting force in real conditions

Please note that the working load may be lower influenced by the following factors, in order of importance:

Air gap (between the magnet and the metal), as even a very small clearance (e.g. 0.5 mm) leads to a decrease in force by up to 50% (this also applies to paint, rust or debris).
Force direction – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet exhibits much less (typically approx. 20-30% of maximum force).
Substrate thickness – to utilize 100% power, the steel must be adequately massive. Paper-thin metal restricts the lifting capacity (the magnet "punches through" it).
Material composition – not every steel attracts identically. Alloy additives worsen the interaction with the magnet.
Surface structure – the more even the surface, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
Temperature – temperature increase causes a temporary drop of force. It is worth remembering the thermal limit for a given model.

Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the load capacity is reduced by as much as 5 times. In addition, even a slight gap between the magnet and the plate lowers the holding force.

Warnings

Safe operation

Be careful. Neodymium magnets act from a long distance and snap with massive power, often quicker than you can move away.

Permanent damage

Standard neodymium magnets (N-type) lose power when the temperature surpasses 80°C. Damage is permanent.

Protective goggles

Despite the nickel coating, the material is delicate and cannot withstand shocks. Do not hit, as the magnet may crumble into hazardous fragments.

Safe distance

Powerful magnetic fields can erase data on payment cards, HDDs, and other magnetic media. Stay away of min. 10 cm.

This is not a toy

Only for adults. Tiny parts pose a choking risk, causing serious injuries. Store out of reach of children and animals.

Physical harm

Watch your fingers. Two large magnets will snap together immediately with a force of massive weight, crushing anything in their path. Be careful!

Sensitization to coating

Some people experience a hypersensitivity to Ni, which is the standard coating for NdFeB magnets. Extended handling can result in a rash. We suggest wear protective gloves.

Health Danger

Individuals with a ICD should maintain an absolute distance from magnets. The magnetic field can interfere with the operation of the implant.

Precision electronics

Note: neodymium magnets produce a field that interferes with sensitive sensors. Keep a separation from your phone, device, and navigation systems.

Mechanical processing

Fire warning: Neodymium dust is highly flammable. Do not process magnets in home conditions as this may cause fire.

Caution! Details about hazards in the article: Magnet Safety Guide.

SM 32x425 [2xM8] / N42 - magnetic separator

Want to negotiate?

SM 32x425 [2xM8] / N42 - magnetic separator

Magnetic properties of material N42

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Material specification

Environmental data

Pulling Force

Magnetic Induction

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Strengths and weaknesses of Nd2Fe14B magnets.

Strengths

Disadvantages

Holding force characteristics

Highest magnetic holding force – what contributes to it?

Determinants of lifting force in real conditions

Safe operation

Permanent damage

Protective goggles

Safe distance

This is not a toy

Physical harm

Sensitization to coating

Health Danger

Precision electronics

Mechanical processing

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Strengths and weaknesses of Nd₂Fe₁₄B magnets.