Gas Supply Systems 15 and 2

When equipped with different gas supply systems, most tube furnace product lines can be adapted for operation with non-flammable or flammable gases or for vacuum operation.

Function and equipment

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Gas Supply Systems 15 and 2 for Non-Flammable Protective or Reactive Gases in Static Tube Furnaces, Gas-Tight

For increased atmospheric purity requirements in the working tube in static tube furnaces we recommend one of these gas-tight gas supply systems with stainless steel flanges on the end of the tube is recommended.

The less expensive gas supply system 15 for furnaces up to 1300 °C and working tubes to 120 mm diameter is available for R, RSH and RSV tube furnaces. It includes contact protection on the flange and a stainless steel type 1.4301 heat radiation protection insert for the tube ends to protect the seals. A heat radiation protection package cools the flanges and a water connection is thus not required. With this variant, the tube must not be opened while it is hot. It is also not suitable for applications with a turbomolecular pump to achieve high vacuum. Gas supply system 2 is the correct choice for this type of application.

Gas supply system 2 with water-cooled flanges is available for R, RHTC, RHTH, RHTV, RSH and RSV furnaces. Cooling water supply with NW9 hose connector to be provided by the customer.

Standard Equipment

  • Extended gas-tight working tube made of C 610 for furnaces up to 1300 °C or C 799 for temperatures above 1300  °C
  • Two vacuum-tight stainless steel flanges with KF flange on the outlet side
  • Mounting system on furnace for the flanges
  • Gas panel for one non-flammable protective or reactive gas(N2, Ar, He, CO2, air, forming gas*)
  • Shut-off valve and flow meter with manual valve
  • Supply of gas with 300 mbar required
  • Check valve in the gas outlet to prevent air entering

Additional equipment

Additional Equipment for Gas Supply Systems 15 and 2

  • Additional gas panels for further non-flammable gases
  • Automatic segment-related switching on/off by a magnetic valve
  • Bottle pressure reducer for use with bottled gas
  • Vacuum package for a maximum final pressure of up to 5 x 10−5 mbar

Other Additional Equipment only for Gas Supply System 2

  • Quick-locks for water-cooled flanges
  • Air-water heat exchanger for closed loop water circuit
  • Window for charge observation

Technical specifications

Model Gas supply system
  1 15 2 25 26 4
RD          
R    
RT          
RHTC      
RHTH        
RHTV        
RSH    
RSV    
RSRB        
RSRC        

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