Magnet Cartridges

Typical Magnet Properties

Material: NdFe 27
Residual Flux Density BR (Gauss): 10500
Coercive Force Hc (Oersteds): 7500
Maximum Energy Products BHmax (MGOe): 27.0
Maximum Practical Operating Temperature (oC) / (oF): 80 / 176
Temperature Coefficient (%Loss / oC): .110 – .500

See our Magnet FAQ for answers to frequently asked questions about magnets.

Magnets for Multi-Size Pigs
To select the correct size magnet cartridge for multi-sized pigs, move up to the largest diameter cup size.

Magnet Cartridges for Retrofitting Steel-Body Pigs
Contact S.U.N. Engineering for a quote and technical support regarding magnet cartridges for retrofitting steel-body pigs.

Heavy-Wall Pipe, Multi-Sized Lines, and Metal Bodied Pigs
The Magna-Sygg Pig Detector, used in conjunction with a S.U.N. magnet cartridge, has been extensively tested on standard pipe-wall sizes. If the Magna-Sygg detector will be used on heavy wall pipe, multi-sized lines, or with metal-bodied pigs, call S.U.N. for further information. Magnets or magnet cartridges, not supplied by S.U.N. Engineering have not been tested with our products and will not be supported. See our Magnet FAQ for more information.

S.U.N. Magnets for Hollow-Post Pigs

Flexible Magnet Size Pipe Diameter Application
One and one half inch (1 1/2″) 16″ thru 22″
One and one half inch (1 1/2″) 24″ thru 26″
One and one half inch (1 1/2″) 28″ thru 36″
One and one half inch (1 1/2″) 38″ and above

S.U.N. Magnet Cartridges for Solid-Post Pigs

Flexible Magnet Size Pipe Diameter Application
Three eighths inch (3/8″) 3″ thru 4″
One half inch (1/2″) 6″ Only
Three quarter inch (3/4″) 8″ thru 14″
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Request A Quote