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SMZR 25x150 / N52 - magnetic separator with handle

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 with handle

Catalog no 140234

GTIN: 5906301813422

5.00

Diameter Ø

25 mm [±1 mm]

Height

150 mm [±1 mm]

Weight

0.01 g

Magnetic Flux

~ 9 500 Gauss [±5%]

430.50 ZŁ with VAT / pcs + price for transport

350.00 ZŁ net + 23% VAT / pcs

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SMZR 25x150 / N52 - magnetic separator with handle

Specification / characteristics SMZR 25x150 / N52 - magnetic separator with handle

properties

properties	values
Cat. no.	140234
GTIN	5906301813422
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	25 mm [±1 mm]
Height	150 mm [±1 mm]
Weight	0.01 g
Material Type	Stainless steel AISI 304 / A2
Magnetic Flux	~ 9 500 Gauss [±5%]
Size/Mount Quantity	2xM8
Polarity	circumferential - 5 poles
Casing Tube Thickness	1 mm
Manufacturing Tolerance	±1 mm

Magnetic properties of material N52

Specification / characteristics SMZR 25x150 / N52 - magnetic separator with handle

properties	values	units
remenance Br [Min. - Max.] ?	14.2-14.7	kGs
remenance Br [Min. - Max.] ?	1420-1470	T
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 106	°C^-1
Thermal expansion perpendicular (⊥) to orientation (M)	-(1-3) x 10-6	°C^-1
Young's modulus	1.7 x 104	kg/mm²

Quick Unit Converter

Magnet Pull Force

Force (N)

Force in lbs

Magnetic Induction

Tesla (T)

Type data in one of the inputs, and the rest convert in real-time.

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This gripper serves for instant distinction of steel (iron) from non-ferrous metals. It enables effective segregation of materials in the yard and accepting goods. It can be used to collect scattered nails and screws from hard-to-reach places.

The tool reacts to carbon steel but does not attract most stainless steels (austenitic, like AISI 304). Lack of reaction (attraction) means the tested item is made of non-magnetic material.

The neodymium model offers powerful force with low weight, which drastically reduces hand fatigue. Thanks to this, work is more comfortable, and detection faster and more certain. This is a modern solution displacing heavy and weak ferrite magnets.

The neodymium magnet is enclosed in a solid, metal housing (steel or brass). Tool ergonomics are key with frequent use by employees. The tool is durable, drop-resistant, and prepared for hard work.

Standard manual separators (such as SMZR 25x150 / N52) do not have a release mechanism and require manual cleaning. We also offer versions where pulling the handle automatically drops collected material. In the case of strong magnets, it is easiest to slide the metal to the side of the housing instead of tearing it straight off.

Strengths and weaknesses of neodymium magnets.

Advantages

Besides their magnetic performance, neodymium magnets are valued for these benefits:

They have unchanged lifting capacity, and over more than 10 years their performance decreases symbolically – ~1% (according to theory),
Neodymium magnets are distinguished by exceptionally resistant to demagnetization caused by external field sources,
In other words, due to the shiny layer of silver, the element is aesthetically pleasing,
Magnets are distinguished by extremely high magnetic induction on the working surface,
Thanks to resistance to high temperature, they are able to function (depending on the form) even at temperatures up to 230°C and higher...
Possibility of custom machining and optimizing to precise conditions,
Universal use in advanced technology sectors – they find application in data components, motor assemblies, advanced medical instruments, and multitasking production systems.
Thanks to their power density, small magnets offer high operating force, occupying minimum space,

Weaknesses

Disadvantages of neodymium magnets:

Brittleness is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a steel housing, which not only protects them against impacts but also increases their durability
Neodymium magnets decrease their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
They oxidize in a humid environment. For use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
Limited ability of creating threads in the magnet and complicated shapes - preferred is a housing - magnetic holder.
Possible danger related to microscopic parts of magnets can be dangerous, if swallowed, which is particularly important in the context of child safety. Furthermore, tiny parts of these products can be problematic in diagnostics medical in case of swallowing.
Due to expensive raw materials, their price exceeds standard values,

Lifting parameters

Magnetic strength at its maximum – what it depends on?

The load parameter shown refers to the maximum value, recorded under optimal environment, namely:

using a plate made of low-carbon steel, serving as a ideal flux conductor
with a cross-section no less than 10 mm
with a surface perfectly flat
with direct contact (without coatings)
for force applied at a right angle (pull-off, not shear)
in stable room temperature

Impact of factors on magnetic holding capacity in practice

Real force impacted by working environment parameters, including (from most important):

Gap (between the magnet and the plate), as even a very small distance (e.g. 0.5 mm) can cause a drastic drop in lifting capacity by up to 50% (this also applies to varnish, corrosion or debris).
Force direction – declared lifting capacity refers to pulling vertically. When slipping, the magnet holds much less (often approx. 20-30% of maximum force).
Wall thickness – thin material does not allow full use of the magnet. Part of the magnetic field penetrates through instead of generating force.
Steel type – mild steel attracts best. Alloy steels decrease magnetic permeability and holding force.
Plate texture – ground elements ensure maximum contact, which increases field saturation. Rough surfaces weaken the grip.
Temperature influence – hot environment weakens magnetic field. Too high temperature can permanently damage the magnet.

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, however under parallel forces the holding force is lower. In addition, even a minimal clearance between the magnet and the plate lowers the lifting capacity.

Warnings

Fire warning

Powder produced during machining of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.

Protective goggles

Despite the nickel coating, the material is delicate and not impact-resistant. Do not hit, as the magnet may shatter into hazardous fragments.

Choking Hazard

Absolutely store magnets out of reach of children. Ingestion danger is high, and the effects of magnets connecting inside the body are life-threatening.

Impact on smartphones

GPS units and smartphones are highly susceptible to magnetic fields. Direct contact with a powerful NdFeB magnet can decalibrate the sensors in your phone.

Data carriers

Device Safety: Strong magnets can ruin payment cards and delicate electronics (heart implants, hearing aids, timepieces).

Finger safety

Pinching hazard: The pulling power is so immense that it can cause hematomas, pinching, and broken bones. Protective gloves are recommended.

Permanent damage

Avoid heat. Neodymium magnets are susceptible to heat. If you need operation above 80°C, inquire about HT versions (H, SH, UH).

Safe operation

Handle magnets with awareness. Their huge power can shock even professionals. Be vigilant and do not underestimate their force.

Implant safety

Warning for patients: Powerful magnets affect medical devices. Keep minimum 30 cm distance or request help to work with the magnets.

Avoid contact if allergic

It is widely known that nickel (the usual finish) is a common allergen. If you have an allergy, avoid touching magnets with bare hands or choose encased magnets.

Security! Want to know more? Check our post: Why are neodymium magnets dangerous?

SMZR 25x150 / N52 - magnetic separator with handle

Need advice?

SMZR 25x150 / N52 - magnetic separator with handle

Magnetic properties of material N52

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Magnet Pull Force

Magnetic Induction

Other deals

MPL 3x3x2 / N38 - lamellar magnet

SM 32x500 [2xM8] / N42 - magnetic separator

MW 33x10 / N38 - cylindrical magnet

MP 5x1.5x3 / N38 - ring magnet

Strengths and weaknesses of neodymium magnets.

Advantages

Weaknesses

Lifting parameters

Magnetic strength at its maximum – what it depends on?

Impact of factors on magnetic holding capacity in practice

Fire warning

Protective goggles

Choking Hazard

Impact on smartphones

Data carriers

Finger safety

Permanent damage

Safe operation

Implant safety

Avoid contact if allergic

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C