Thermal nozzle elements have been designed to last and reduce down time. These elements have high watt density capabilities which allow maximum temperature ratings and faster heat penetration into the nozzle.

These elements are 6.35mm dia stainless steel tubular roll formed, making them robust and eliminate the problems that normally occur with conventional mica nozzles.

Operating temperatures of up to 600°C are achieved with outstanding reliability and long lasting life. With the multi-form construction, this heater can be opened and fitted easily without causing possible damage that may normally occur with mica elements.

A Thermal Low Profile Nozzle element is also available with all of the above capabilities, these elements are 4mm dia stainless steel tubular roll formed. They are used in applications were there is limited space around the nozzle. The LP type is available with the same dimensions and wattages as the TS and SN type nozzle heaters.

All Thermal nozzle heaters come with 1 metre double glass insulated leads and 300mm tinned copper braid as standard. Many other options are available.

Thermal Nozzle Heaters Types

The three basic designs available are:

The TS type, the SN type and the LP type.

Thermalfold high watts density cartridge elements are of a unique design and are the latest in electric heating technology.

These elements are manufactured .1mm to .5mm under-size and slide easily into the hole size specified. When energised, they heat up and spring open due to their folded construction. While in the heated condition, they are a snug fit and impossible to remove. On cooling, they contract back to their original diameter and become easy to remove again. Conventional cartridge heaters would normally fail under these conditions.

The maximum element temperature is 800°C. Work temperatures of up to 600°C are therefore achievable, depending on the application.

These elements range in size from 6mm to 25mm diameter, with various lengths on request.

Thermalfold heaters are specially manufactured to suit your requirements. When ordering please specify dimensions:

A - heating length
B - total length of Thermalfold
C - length of terminating leads with or without metal flexible conduit
D - hole size in which Thermalfold to fit
E - voltage and wattage.

Thermal Band Heaters have been designed to last and reduce down time. These elements have high watt density capabilities which allow maximum temperature ratings and faster heat penetration into the barrel.

These elements are manufactured of 6.35mm and 7.9mm dia stainless steel tubular roll formed construction, making them robust and eliminate the problems that normally occur with conventional mica band heaters.

Operating temperatures of up to 600°C are achieved with outstanding reliability and long lasting life. With the multi-form design, these heaters can be opened and fitted easily without causing damage to them that may normally occur with mica elements. A uniform and greater heating area around the barrel is made possible due to this construction whereas a mica band heater for applications with thermocouple hole and cut outs, may, in many cases, heat only half of the area that the element has been designed for.

Thermal Band Heaters come standard with 2 metre double glass insulated leads, fitted with either tinned copper braiding and stainless steel flexible conduit for protection against mechanical damage. If desired, a plugall assembly or terminal enclosure can also be fitted. The two designs available are BH type and DBH type.

Various styles of thermocouples for the smelting, heat treatment and furnace manufacturing industries are available through Thermal Electric. Styles include straight or angles, with single, duplex or triplex elements and numerous cold leg materials and terminal heads. Protective sheath materials include Sialon, Silicon Carbide, Laminated Ceramic, Plumbago, Chrome Iron, Cast Iron, Inconel 600 and 601, 253MA, 316-310 S.S., Pythagoras GR61-, Alsint AL23, Mullite, Sillimantin.

We can also provide a full range of Lance dip probes, incorporating the MARSHALL type K and N replaceable 8 inch long life chrome iron tips. Applications: specifically designed for non-ferrous metals, aluminium, copper, brass, bronze or salt baths at temperatures to 1300 degrees C.

Various styles of thermocouples and sensors are manufactured for the petro/chemical industries. The sensors shown are a small example of what we can supply. Assemblies available with single and duplex elements in numerous OD sizes, insulated or bonded thermocouple junctions, element sheath materials, spring loading for terminal blocks and barrel unions. Also available are thermowells - fabricated or machined barstock, screwed or flanged, in various materials, specialty coatings for thermowells, weld on pads, ceramic sheaths, barrel unions - nipples - and a large range of mounting hardware, terminal head materials: alloy, cast iron, S.S., plastic, bakelite and SAA approved explosion flame proof "Exd".

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