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Hotset GmbH

Booth number: 2P01

About us

Hotset Germany has specialized in developing and production of heating elements, thermocouples/RTDs and temperature control systems since 1973. In Lüdenscheid and Malta they manufacture high quality heating elements and thermocouples/RTDs both as stock range and customer specific designed e. g. for plastics processing, packaging and die-casting industries.

With development of the coil heater a long term of innovations was started. By introduction of the hotflex flexible tubular heater and the hotslot nozzle heating element hotset established themselves as a well known partner to the plastics hot runner industry. They assure worldwide trusted logistics concepts. Subsidiaries in the USA, Singapore, China, Malta and India, a worldwide key account service and a growing distribution network enables hotset to be represented in more than 40 countries!

Products and services

Product Range:

  • hotspring Coil Heaters
  • hotslot Nozzle Heaters
  • hotflex Flexible Tubular Heaters
  • hotrod Cartridge Heaters
  • hotform Silicon Heating Elements
  • hotcast Die-Casting Nozzle Heater
  • hotcast Sprue Nozzle
  • hotcontrol Thermocouples and RTDs
  • hotcontrol Control Units
  • Isolite Ceramic Lubricant
hotspring Coil Heaters

hotspring Coil Heaters

For heating applications: hot runner nozzles with and without wattage distribution, small hot runner distribution plates, sealing bars and jaws for packaging machines, machine nozzles for plastics and die-casting industries.
Multi-purpose and economical with a variety of, wattages, surface loads and customized heat distribution, wall thicknesses and mounting options.

hotslot Nozzle heater with power distribution

hotslot Nozzle heater with power distribution

Pressed-in coil heater with user-defined groove profile, reproducible power distribution, minimal wall thickness for reduced clearances, lowest power available in the middle of a nozzle, brass as cylinder raw material, same connection options as hot spring coil heaters.

hotflex Flexible tubular heater

hotflex Flexible tubular heater

Easy installation with a uniform finish, can be formed by hand, stored in a straight condition to save storage space. No special installation tools required, patented technology ensures industry leading heat transfer, up to 75% sheath contact with round and square hotfix, heaters when recommended groove geometry is
followed. Rapid heat-up times, a minimal temperature difference between heater sheath and heated tool Industry's smallest bending radius.

News & Innovations

Thin rods for tasks involving heat 

Hotset presents its new high-performance heating cartridges in miniature format  With a diameter the size of a match head, the new hotrod® HHP 1/8“ (3.1mm) must currently be one of the smallest electrical heating cartridges available on the global market. Developed for applicat...| » Further reading 

Interdisciplinary and transnational 

hotset is establishing value-added partnerships in control cabinet construction For the first time, hotset presented itself at the last Hannover trade fair as an outsourcing partner willing to assume responsibility for entire value-added chains. The example of hotset America shows how far the t...| » Further reading 


Hotset GmbH
Hueckstr. 16
58511 Lüdenscheid

Phone: +49 2351 4302-0
Fax: +49 2351 4302-25

Helen Chen
Vice Manager
Phone: +86 512 6502 6218/28-102

Hotset Heating Elements (Suzhou) Co. Ltd.
Block 2, NO.2058 West Haizang Road
Luzhi 215127, Wuzhong District,
P. R. China

Phone: +86 512 650262-18/-28
Fax: +86 512 650262-38

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Lenzkes Spanntechnik GmbH
Booth number: 2J34