THREADED HEATERS

ELECTRIC HEATERS FOR INDUSTRY

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Screw Plug Immersion Heaters consist of tubular elements welded or brazed into a threaded screw plug which can then be inserted into a threaded opening in a tank wall or through a mating full or half coupling.

The electric heating elements are constructed with high quality 80/20 nickel chrome resistance wire, centred in ametal tube and insulated with compacted magnesium oxide.

The element tube material generally used includes:- carbon steel, stainless steels 303,316,321 Incoloy 800 & 825, Inconel 600, 625, Titanium, Copper, Monel, and other available materials The elements are either welded or brazed to a threaded boss, which is available in a variety of materials to suit the element sheath and the application. The screwed boss can be BSP, NPT, or ISO thread forms. Special thread forms and materials are available on request. The heaters are complete with thermostat and manual reset safety cut out.



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