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1 Operating principle DIRTMAG Non-ferrous and ferrous impurities, including magnetite, in hydronic systems can deposit onto heat exchanger surfaces and accumulate in pump cavities causing reduced thermal efficiency and premature wear. The small and often microscopic magnetic particles, called magnetite, form when iron or steel corrodes. Highly abrasive, the extremely fine particles are difficult to remove by traditional means. DIRTMAG separators offer highly efficient separation of typical dirt as well as magnetite. The versatile DIRTMAG magnetic dirt separator removes all impurities, including ferrous, continuously. In addition to removing sand and other impurities with an internal element in a low-velocity- zone chamber, the DIRTMAG features a powerful removable magnet below the flow line for fast and effective capture of ferrous impurities.The magnet removes up to 100% of the magnetic debris that can form in a hydronic system. For the brass DIRTMAG, the ferrous impurities are captured by a strong neodymium rare-earth magnetic field created by a powerful removable magnet around the body below the flow line. In the size 8-14 inch steel DIRTMAG, the ferrous impurities are captured by a concentrated magnetic field created by a stack of neodymium rare- earth magnets positioned inside three brass dry-wells installed from the underside of the separator and below the flow stream. Non-magnetic dirt particles are separated by colliding with an internal element in the flow stream and settling to the bottom. The deep collection chamber keeps the dirt from re-entering the flow stream. All collected debris are flushed out while the system is operating, by removing the magnets and opening the purge valve. For the size 2-6 inch steel DIRTMAG, the ferrous impurities are captured by a concentrated magnetic field created by a stack of neodymium rare-earth magnets positioned inside one brass dry-well below the flow stream. Draining off debris The dirt separator collection chamber has a drain valve. Using the handle provided it is possible to drain off the accumulated dirt particles even with the system in operation. For the brass DIRTMAG, captured debris are easily flushed by unclamping the magnetic collar and purging. To purge the ferrous impurities in the steel DIRTMAG, the flexible magnetic stack is removed from the brass dry- well and the drain valve is opened. Aided by the system pressure, the captured debris, including magnetite, flushes out quickly and effectively. Maintenance To perform maintenance, simply use a 26 mm hexagon wrench (1) to unscrew the dirt collection chamber, of the brass DIRTMAG, to which the inner mesh element is connected for removal and cleaning. --PDF Image | Heat Pump Systems 2020
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