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SM 32x225 [2xM8] / N52 - 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 130361

GTIN/EAN: 5906301813095

Diameter Ø

32 mm [±1 mm]

Height

225 mm [±1 mm]

Weight

1205 g

Magnetic Flux

~ 10 000 Gauss [±5%]

676.50 ZŁ with VAT / pcs + price for transport

550.00 ZŁ net + 23% VAT / pcs

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SM 32x225 [2xM8] / N52 - magnetic separator

Specification / characteristics SM 32x225 [2xM8] / N52 - magnetic separator

properties

properties	values
Cat. no.	130361
GTIN/EAN	5906301813095
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	225 mm [±1 mm]
Weight	1205 g
Material Type	Stainless steel AISI 304 / A2
Magnetic Flux	~ 10 000 Gauss [±5%]
Size/Mount Quantity	2xM8
Polarity	circumferential - 8 poles
Casing Tube Thickness	1 mm
Manufacturing Tolerance	±1 mm

Magnetic properties of material N52

Specification / characteristics SM 32x225 [2xM8] / N52 - magnetic separator

properties	values	units
remenance Br [min. - max.] ?	14.2-14.7	kGs
remenance Br [min. - max.] ?	1420-1470	mT
coercivity bHc ?	10.8-12.5	kOe
coercivity bHc ?	860-995	kA/m
actual internal force iHc	≥ 12	kOe
actual internal force iHc	≥ 955	kA/m
energy density [min. - max.] ?	48-53	BH max MGOe
energy density [min. - max.] ?	380-422	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

Elemental analysis

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%

Sustainability

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: 130361-2025

Quick Unit Converter

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It is the "heart" of every magnetic filter used in industry for cleaning raw materials. Its task is separation (separation) of metal filings from the transported material. Thanks to the use of strong neodymium magnets, the rod catches even metallic dust.

The construction relies on a sealed, welded stainless steel housing, polished smooth. Inside there is a stack of strong neodymium magnets arranged in a special configuration (magnetic circuit). Such construction ensures full resistance to corrosion, water, oils, and acids.

Due to the high power of the magnet, direct removal of filings can be troublesome and time-consuming. We recommend sticking packing tape to the cluster of filings and tearing it off together with the contaminants. In industry, cover tubes (so-called Easy Clean system) are used, from which the magnetic insert slides out.

The Gauss value tells us how effectively and deeply the magnet will catch contaminants. The economical version (8kGs) handles large pieces of metal perfectly. High induction is necessary when contaminants are microscopic or weakly magnetic.

Yes, as a manufacturer, we make rods of any length and diameter (standard is dia 25mm and 32mm). The rod end is strictly adapted to the fastening system in your device. We ensure fast realization of special orders and technical advice.

Pros as well as cons of rare earth magnets.

Benefits

In addition to their magnetic capacity, neodymium magnets provide the following advantages:

They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (according to literature),
They have excellent resistance to magnetism drop as a result of external magnetic sources,
By applying a reflective coating of nickel, the element acquires an proper look,
Magnets are distinguished by maximum magnetic induction on the working surface,
Through (appropriate) combination of ingredients, they can achieve high thermal resistance, enabling operation at temperatures approaching 230°C and above...
Thanks to the potential of flexible shaping and adaptation to specialized needs, magnetic components can be modeled in a variety of shapes and sizes, which makes them more universal,
Fundamental importance in electronics industry – they are commonly used in computer drives, electric drive systems, precision medical tools, as well as technologically advanced constructions.
Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in compact dimensions, which makes them useful in compact constructions

Weaknesses

Disadvantages of NdFeB magnets:

At strong impacts they can crack, therefore we advise placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
They rust in a humid environment - during use outdoors we advise using waterproof magnets e.g. in rubber, plastic
Due to limitations in creating nuts and complex shapes in magnets, we recommend using cover - magnetic mechanism.
Health risk related to microscopic parts of magnets can be dangerous, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, small components of these products are able to disrupt the diagnostic process medical after entering the body.
Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Pull force analysis

Maximum holding power of the magnet – what contributes to it?

Holding force of 0.00 kg is a theoretical maximum value performed under the following configuration:

using a base made of high-permeability steel, acting as a ideal flux conductor
with a thickness no less than 10 mm
characterized by lack of roughness
with zero gap (without coatings)
for force applied at a right angle (pull-off, not shear)
at conditions approx. 20°C

Practical lifting capacity: influencing factors

In practice, the real power depends on several key aspects, listed from crucial:

Distance (betwixt the magnet and the metal), as even a microscopic clearance (e.g. 0.5 mm) results in a reduction in lifting capacity by up to 50% (this also applies to paint, rust or debris).
Direction of force – maximum parameter is reached only during pulling at a 90° angle. The resistance to sliding of the magnet along the surface is standardly many times smaller (approx. 1/5 of the lifting capacity).
Base massiveness – insufficiently thick steel does not accept the full field, causing part of the flux to be escaped into the air.
Metal type – different alloys reacts the same. High carbon content weaken the interaction with the magnet.
Surface condition – smooth surfaces ensure maximum contact, which increases force. Uneven metal weaken the grip.
Heat – NdFeB sinters have a negative temperature coefficient. When it is hot they lose power, and at low temperatures gain strength (up to a certain limit).

Lifting capacity testing was conducted on a smooth plate of suitable thickness, under perpendicular forces, however under shearing force the holding force is lower. Additionally, even a small distance between the magnet and the plate decreases the lifting capacity.

Precautions when working with neodymium magnets

Heat warning

Watch the temperature. Heating the magnet to high heat will ruin its properties and strength.

No play value

Absolutely store magnets away from children. Risk of swallowing is significant, and the consequences of magnets connecting inside the body are very dangerous.

Keep away from electronics

Be aware: neodymium magnets produce a field that confuses precision electronics. Keep a separation from your mobile, device, and GPS.

Protective goggles

Protect your eyes. Magnets can fracture upon uncontrolled impact, launching shards into the air. Eye protection is mandatory.

Do not drill into magnets

Mechanical processing of neodymium magnets carries a risk of fire risk. Magnetic powder reacts violently with oxygen and is hard to extinguish.

Allergy Warning

A percentage of the population have a hypersensitivity to nickel, which is the typical protective layer for NdFeB magnets. Extended handling may cause dermatitis. We suggest use safety gloves.

Medical implants

People with a ICD must maintain an large gap from magnets. The magnetism can stop the operation of the life-saving device.

Electronic hazard

Very strong magnetic fields can corrupt files on payment cards, HDDs, and other magnetic media. Stay away of at least 10 cm.

Finger safety

Watch your fingers. Two powerful magnets will snap together immediately with a force of several hundred kilograms, destroying anything in their path. Exercise extreme caution!

Do not underestimate power

Handle magnets with awareness. Their immense force can shock even experienced users. Stay alert and respect their power.

Warning! Details about risks in the article: Magnet Safety Guide.

SM 32x225 [2xM8] / N52 - magnetic separator

Not sure about your choice?

SM 32x225 [2xM8] / N52 - magnetic separator

Magnetic properties of material N52

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Elemental analysis

Sustainability

Pulling force

Magnetic Field

Other deals

MW 7x2 / N38 - cylindrical magnet

MW 45x35 / N38 - cylindrical magnet

UMH 48x11x65 [M6] / N38 - magnetic holder with hook

MPL 200x30x30 / N38 - lamellar magnet

Pros as well as cons of rare earth magnets.

Benefits

Weaknesses

Pull force analysis

Maximum holding power of the magnet – what contributes to it?

Practical lifting capacity: influencing factors

Heat warning

No play value

Keep away from electronics

Protective goggles

Do not drill into magnets

Allergy Warning

Medical implants

Electronic hazard

Finger safety

Do not underestimate power

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C