heat treatment furnace / tubular / gas / laboratory
max. 1300 °C, 56 kW | FRH series Linn High Therm



  • Function:

    heat treatment

  • Configuration:


  • Heat source:


  • Other characteristics:


  • Maximum temperature:

    Max.: 1,300 °C (2,372 °F)


The FRH series is an instrument manufactured by Linn High Therm company. It is a tube furnace of FRH-4-200/2000/1250. It has a Temperature maximum to 1300°C. The unit is used for heat treatment of metallic work pieces under protective gases. The insert tube inner diameter is approx. 134 mm / Kanthal APM, its heated length is approx. 2000 mm, its cooling tube inner diameter, water cooled is 134 mm / 1.4301, its length cooling tube is approx. 2000 mm and its max. heat output is approx. 56 kW. The unit can be adapted to individual customer requirements.

Other Linn High Therm products

Resistance heating