NdFeB Tube Rectangle Magnets 19mmX19mmX100mm , Item No. MPNTM-07 TECH SPECS:
| Voice | Name | Symbol | SI | CGS |
|---|---|---|---|---|
| Shape | diameter | d | 6 mm | 0.6 cm |
| Length | L | 100 mm | 10 cm | |
| Width | W | 19 mm | 1.9 cm | |
| Screw | M | 6 mm | 0.6 cm | |
| direction of magnetization | M | A | ||
| Weight | Net | 0.271 kg | 271 g | |
| Surface treatment | Polish | μm | ||
| Magnetic Characteristics | Surface magnetic flux density | B | 1100 mT | 11000 Gauss |
| Suction force Adhesion | F | kgf | gf | |
| Magnetic flux density on load point | Bd | mT | Gauss | |
| Total flux | φo | Wb | Mx | |
| Permeance Coefficient | Pc | Pc | ||
| Maximum usage temperature | Tw | 100 ℃ | ||
| Minimum usage temperature | Tw | ℃ | ||
| Material properties | Materialsymbols | Magnetic Bar | 304 | |
| remanence | Br | – mT | – kG | |
| Coercivity | Hcb | – kA/m | kOe | |
| Intrinsic coercive force | Hcj | – kA/m | kOe | |
| Maximum energy product | BH | – kj/m3 | MGOe | |
| Temperature coefficient | Br | – %/℃ | ||
| Hcj | – %/℃ | |||
| Heat resistant temperature | Tw | – ℃ | ||
| Curie temperature | Tc | – ℃ | ||
| Density | ρ | – kg/m3 | ||
| Remarks | REACH RoHS Directive | |||
How To Choose The Magnetic Intensity of Tube Magnets?
Bar systems filter small amounts of very fine iron and weakly magnetic particles from 30 µm up to approx. 2 mm out of fine powders, liquids and viscous products present in bulk flows and pipeline transport in various industries. The recommended magnetic intensity for different flow are as below:
Dry Powder: 7000-8000 gauss
Slurry: 9000-10000 gauss
Nanoparticles: 12000 gauss and above
Applications of Magnetic Bars? Square Magnetic Cartridge Tube 16mmX16mmX300mm
Tube Magnets are widely used for removal of ferromagnetic substances in various powders and slurries such as ceramic glaze slurry, mud, pigment, feldspar powder, kaolin, quartz sand, frit, silicon carbide, coal water slurry, emulsified oil, lube oil, plastic or any other applications that requires magnetic filtration.
Magnetic Bars are also the key component of a central heating filter, which is used for removing rust in the central heating system.
Relationship between Bar Diameter, Magnetic Strength and Max. Working Temp.?
“√” means it can reach that magnetic intensity by the corresponding diameter.
“-” means not able to reach that magnetic intensity by the corresponding diameter.
The tube magnets which has smaller diameter than 38mm usually use SmCo material under “EH” temp. condition. But larger diameter will not choose SmCo.
The related Max. working Temp. from different series:
High Temperature, H series: 120℃
Super High Temperature, SH series: 150℃
Ultra High Temperature, UH series: 180℃
Extreme High Temperature, EH series: 350℃
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