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Two Pole Suspended Permanent Magnet

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Product Description

PML Two Pole Suspended Magnets are placed above open conveyors to arrest ferrous objects and fines found in grains, feed stuffs, raw and processed products, dry chemicals, salt, ceramics, Clinkers in Cement Industry, Coal conveying in power plants and many other products.

Application photos of Suspended Magnets

Price List for Standard Suspended Magnet:

STANDARD PERMANENT SUSPENDED MAGNETS
Model No.	Dimension (W x L x H) mm	For Conveyor Belt width (mm)	Conveyor Belt Speed Mtr. / Sec.
SPM-0050	500 x 500 x 245	500	1.0
SPM-0066	650 x 650 x 245	650	1.2
SPM-0068	650 x 800 x 245	650	1.6
SPM-0088	800 x 800 x 245	800	1.2
SPM-0810	800 x 1000 x 245	800	1.6
SPM-1010	1000 x 1000 x 245	1000	1.2
SPM-1012	1000 x 1200 x 245	1000	1.5
SPM-1212	1200 x 1200 x 245	1200	1.5

W= Width of Magnet. (This should be decided based on the width of the conveyor)
L= Length of Magnet (This should be decided based on the belt speed. Higher the speed, higher the length required.)
The material of Magnetic Surface: S.S. 304

General Specification:

Flux density: 1500 ± 200 gauss.
Attraction Distance: For M10 x 100 mm Length MS bolt Upto 300mm/12inches, If the free path is available.
Height of Suspension magnet is 245mm
The maximum operating temperature of 250 Degree C.
In all suspension magnets, best grade St. Ferrite magnets are used for construction.

How does it work?

Suspended Magnet is placed over the conveying belts carrying the material. This system arrests Ferromagnetic materials from the distance of 300mm/12 inches from feed material which is transported through the production process.

Construction

Suspended magnets are generally in big sizes depending upon the width and speed of the conveyor belt. They are provided with eye bolts, D shackles and sling chains with turnbuckles for adjustments while mounting.

Suspended magnet - maximum tramp iron attraction distance chart
Sr. no.	Tramp Iron particle	Size in mm	Weight	Maximum Attraction distance in Inches
Sr. no.	Tramp Iron particle	Size in mm	Weight	SPM- 0050	SPM- 0066	SPM- 0068	SPM- 0088	SPM- 0810	SPM- 1010	SPM- 1012	SPM- 1212
1	Paper clip	30 mm	0.6 gm	10.5	13	13	13.5	14	14	14.5	14.5
2	Stapler pin	10 mm	0.016 gm	8.5	11	11	12	14	14	14.5	14.5
3	Nail	DIA 2 X 45 L	1.16 gm	10.5	12	12.5	13	14	14	14	17
4	Spanner	8,9	20 gm	8	12	12	12	12.5	12.5	16	16
5	Spanner	18,19	120 mg	8.5	11	11.5	12	12	12.5	16	16
6	Spanner	20,24	200gm	8.5	11	11	11.5	11.5	12	15	15
7	Spanner	33,37	500 gm	9	11	11	11.5	11.5	12	15	15
8	Bolt	M10 x 100 L.	50 gm	9.5	10	11	12	12	13	16	16
9	Bolt	M20 x 100 L	250 gm	6.5	6.5	7	8	8.5	9	9	9.5
10	Bolt	M16 x 60	100 gm	8	8	9.5	10	10.5	11	11	12
11	Nut	M16	10 gm	6.5	6.5	7.5	8	8	9	9.5	9.5
12	Nut	M8	5 gm	5	5	6	6.5	6.5	7	7.5	9
13	Washer	OD 17 X ID 9 X 1.5 THK	-	5	5	8.5	9	9.5	10	10	10.5
15	Round M.S.Piece	Dia 23 x 2 THK	-	7	7	7.5	7.5	7.5	8	12	12
16	Round M.S. Piece	Dia 30 x 1.5 THK	-	7	8.5	9	9.5	9.5	10	10	11
17	Std. weight	-	500 gm	5.5	5.5	6	6	6.5	6.5	7	7
18	Std. weight	-	1 kg	5.5	6	7	7	7	7.5	7.5	7.5
19	Std. weight	-	2 kg	6.5	7	7	7.5	7.5	7.5	8	8
20	Std. weight	-	5 kg	7	7	7.5	7.5	7.5	8	9	9
21	M.S.angle	770 L X 80 W X 40 H	1.5 kg	10	11	13	13	14	15	16	18
22	Channel	700 L X 50 W X 50 H	2.64 kg	9	11.5	14	14	14.5	15	17	18
23	Channel	365 x 20 x 20	-	8	14	14	14	14	14.5	16	16

Note:

The above attraction distances are taken at a point below the geometrical center point of the suspended magnet assembly.
The above trial results are obtained when the free path is available for tramp iron particles.
The above chart is given for reference. One may get a deviation of 1 to 2 inches in attraction distances depending on actual site conditions.
The MOC of rollers & frames of the conveyor should be of nonmagnetic material (S.S.304), otherwise, all the magnetic flux will pass through the conveyor & it will reduce the efficiency of the magnet.
It is advisable to use the suspended magnet & magnetic pulley in combination for effective to the removal of tramp iron.

Why PML Suspended Magnet?

45 years of experience in the design and development of Permanent Magnets and Magnetic Systems.
Mounting chains are tested and certified for load-bearing capacity by a government-approved testing Authority.
Customized Design
Services such as magnetic calibration/Audit are available.
Easy to clean and no maintenance cost and preventing expensive shutdown and delays for equipment down the process line.
No power cost.
Installation of these Suspended Magnets improves product quality thereby enhances product value.
Services such as magnetic calibration/Audit are available.
PML also makes customized design and self-cleaning grills.

Some of PML’s Valued customers:

Ambuja Cements Ltd.
K. White Cements Ltd.
Ultratech Cements Ltd.
Sterlite Industries Ltd.
RISHABH Stone Crushing Ltd.
Grasim Industries Ltd.
BLA Power Ltd.
Mangalore Chemical & fertilizers Ltd.
Goa Carbon Ltd.
Trivent Earth Movers Pvt Ltd.
Chettinad Cements Ltd.
Shi Vishnu Cements Ltd.
Gujrat Sidhi Cements Ltd.
Metso Minerals Pvt Ltd.
Kerala Chemicals & Proteins Ltd., Kochi
Gujrat Fluorochemical Ltd., Bharuch
Praweg Conveyors Thane
AGI Glasspac Hyderabad
Monara Engineering & Trading (P) Ltd., Sri Lanka

FAQ for Suspended Permanent Magnet

1) How much kg of iron it can lift & from what distance?
Ans - The attarction height of the magnet depends upon the weight & shape of the tramp iron. Please refer the weight Vs attarction distance chart for different type of objects for each magnet model.

2) Is it require power supply for operation?
Ans - No it made-up of permanent magnets hence do not require power supply.

3) Is there any demagnetisation facility available to remove trapped iron?
Ans - No. The trapped iron have to remove manually only.

4) Is magnet comes with chain slings ?
Ans - Yes we will provide 4 Nos of chain slings alongwith the magnet.

5) How should i select the magnet size?
Ans - Please select PML standard model as per size of the conveyor belt at your end.

6) What type of iron contamination it can lift?
Ans - Suspende magnet is used to separate tramp iron like bolts, broken spanners, angles, rod, nuts etc. Please refer the weight Vs attarction distance chart for different type of objects for each magnet model.

7) What will be the life for magnet?
Ans - It is a permanent magnet it will not loose its magnetism. Magnet can get demagnetized in two cases, a) When it get damaged. b) When magnet get exposed beyond specified operating temperature. But magnet can loose its magnetism 2% to 3% over the span of 5years.

8) Can we recharge the magnet?
Ans - No. Magnet cannot be recharged.

9) Can we install suspended magnet at height more than 300 mm?
Ans - No, Suspenended Magnet can work efficiently with operating height 300 mm (12 Inches).

10) How we can measure the power of magnet ?
Ans - Magnetic intensity can be checked by gauss meter. We also provide calibration services, which we will be valid for 1year

11) Does it have any effect on human body?
Ans - Magnet doesn't have any effect of human body. The persone who is using heart spacemaker should not go near the magnet as the magnetic field may affect on working of the spacemaker.

12) Is this magnet efficient to remove 100% iron contamination from the material flowing over the conveyor belt?
Ans - It is advisable to use the suspended magnet & magnetic pulley in combination for effective to the removal of tramp iron.