Tubular straight elements can be supplied in a range of materials dependent upon use and are supplied fully annealed for bending.
At 230V 10% - 6% they will meet  BS7351 1990  Specifications.

• Z Cold End or Inactive length.

• T1 Terminal Threaded 4BA, 2BA, M4 M5 or plain pin 2.5mm diameter. 19mm nominal length. Welded or crimp on terminals and end leads available.

• L Sheath length tolerance /- 1%.

• D Diameter 8.0mm (5/16"), 6.35mm ( ¼" ), 10.5mm (0.415"), 11mm (0.43") 12mm (0.47") or 16mm (5/8").

• X Active length.

• M Magnesium Oxide (MgO) 
  

• S Ceramic (Aluminium oxide) insulator (4.8mm (3/16") face) and silicone or resin seal, depending on operating temperature.

• N nut 4BA, 2BA, M4 or M5

• R Resistance wire spiral (Nickel Chrome)

  Watts at 230 volts, tolerance +10% - 6%

Elements can also be bent to particular requirements and provided with fixing bushes and other mountings.

Application

This most versatile of elements has almost unlimited uses in heating air & gasses, liquids, solids, and vessels, as well as infra-red applications. Because it can be formed to extremely complex shapes, and grouped to give high power outputs, it is the most widely used element type, and can be found in practically every industry, either alone, or assembled into appliances or machines.

Enquiries are invited for elements not listed. Please state quantity, sheath material, watts loading, voltage, sheath length, inactive length, mounting method and end termination required. If elements are required bent to shape, please forward dimensioned sketch or drawing. Quotations will be sent by return.

Insulation Resistance Values

The dielectric used in the production of all mineral insulated heating elements magnesium oxide is hydroscopic. On completion, the heating elements will be sealed against ingress of moisture and while we set our pass/fail level for inspection testing at 100 megohms in practice, elements leaving the works will be infinity.

The seal we employ is a silicone-based fluid and does not give a totally hermetic seal. Over extended period in stock the I.R. value will reduce gradually, if elements fall below 1 megohm, we recommend that the element should be dried at a temperature of 250 to 300°c for 3 to 4 hours before use. This will remove the moisture contents of the insulant and the I.R. value will quickly restore to previous level.

All products must be kept in a clean dry area and protected from dust and dampness in order to ensure the correct operation of this equipment.

The rest of our products

To find out more about immersion heaters click here or for formed elements click here; for straight elements click here and for our extensive range of Catering Spares click here. To find out more about us please see our Company History.