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Balení pracovních trubek 

air, gas atmosphere and vacuum work tube packages for TF, TS & TG tube furnaces

Each package comprises a work tube of the specified diameter with insulation plugs or heat shields appropriate for the operating atmosphere. A pair of end seals is included in the gas atmosphere and vacuum packages.

A 3 mm diameter probe thermocouple is included in all work tube packages for furnaces up to 1200 °C, for connection to a separate display or recorder. Above 1200 °C one end seal will have a 10 mm diameter thermocouple gland with blanking plug to suit a probe thermocouple (probe thermocouple must be ordered separately).

The work tube material in the packages are:

  • For TF, TS & TG 1200°C furnaces there is a choice of mullite C610 / IAP or quartz.
  • For TF 1600°C furnaces there is a choice of RCA or mullite C610 / IAP.
  • For F-range 1350°C furnaces there is a choice of mullite or APM.
  • For HTRH & HTRV 1800°C range furnaces RCA tubes are used.
Alternatives to these packages can be created by selecting appropriate individual components

Work tube packages with extended length work tubes include guards as indicated in this image. The guards simply hook into the end plates of the tube furnaces and are each fixed with one screw.

Work tube packages with extended length work tubes include guards as indicated in this image. The guards simply hook into the end plates of the tube furnaces and are each fixed with one screw.

Work tube package 1 - for air

Work tube package 1 - for air


Tube furnace work tube package for air contains:

  1. Standard length work tube
  2. 2 x insulation plugs for standard length work tube
  3. Support bracket for insulation plugs & thermocouple
  4. Probe thermocouple access:
    • Up to 1200 °C: Probe thermocouple gland complete with type N thermocouple
    • Above 1200 °C: 10 mm gland with PTFE seal and blanking plug to suit optional type R or B or 20/40 probe thermocouple assembly

Work tube package 2 - for gas atmosphere

Work tube package 2 - for gas atmosphere


The work tube package for gas atmosphere is suitable for either inert gas or hydrogen atmosphere.
If used with hydrogen a gas safety system MUST be used.

Tube furnace work tube package for gas atmosphere contains:

  1. Extended length work tube
  2. 2 x insulation plugs for extended length work tube
  3. Work tube end seals:
    • 1 x gas inlet/outlet pipe
    • 1 x gas inlet/outlet pipe + thermocouple gland
  4. Probe thermocouple access:
    • Up to 1200 °C: Probe thermocouple gland complete with type N thermocouple
    • Above 1200 °C: 10 mm gland with PTFE seal and blanking plug to suit optional type R or B or 20/40 probe thermocouple assembly

Balení pracovních trubek pro vakuovou atmosféru

Balení pracovních trubek pro vakuovou atmosféru


Available for work tube outer diameters 32, 60, 86, 125, 150, 200 mm. Suitable for vacuum pressure to 5 x 10-5 mbar depending on type of vacuum pump used.

Tube furnace work tube package for vacuum atmosphere contains:

  1. Extended length work tube
  2. 2 x radiation shields
  3. Work tube end seals:
    • 1 x NW16 vacuum flange + thermocouple gland
    • 2 x end plates: 1 x NW25 (compatible with low vacuum pump package); 1 x NW40 for 60 mm work tube outer diameter or 1 x ISO-K 63 for 86, 125, 150 & 200 mm work tube outer diameters  (compatible with high vacuum pump package)
  4. Probe thermocouple access:
    • Up to 1200 °C:
      Probe thermocouple gland complete with type N thermocouple
    • Above 1200 °C:
      10 mm gland with PTFE seal and blanking plug to suit optional type R or B or 20/40 probe thermocouple assembly