Diaphragm single stage automatic switchover board with manual reset - TD202
Equipment for gas systems > Speciality Gas Equipment > Supply & switchover boards
Key advantages
  • Possible to connect up to 6 cylinders without using the purge line
  • Maintains purity: eliminates cross-flow mixing of supply sources
  • The automatic switchover board does not need to be reset to allow reversal of the cycle
  • Ready to install due with all components pre-mounted on a board
  • Can be equipped with a collection tube on the relief valve and purge outlet
  • Can be equipped with an outlet shut-off valve
  • Using contact gauges, the switchover board can also be equipped with an alarm box to indicate the source status


Female portsG 3/8 (inlet/outlet) or 1/4 NPT (inlet/outlet)
Seat sealPCTFE
O-ringEPDM - standard FPM
DiaphragmAISI 304 Hastelloy®
Weight± 13 kg
Leak rate10-8 mbar ℓ/s He
Temperature range-20 to +60 °c
GaugesHigh and low pressure (M10 x 1 or 1/8 NPT)
Inlet pressure200/300* bar
Outlet pressure10/16 bar
Nominal flow10/10 Nm3 /h (N2)
Oxygen useBrass only with inlet pressure 200 bar
Dimensional drawings
Product Configurator
Body material
Inlet pressure and version type
Outlet pressure
End connections
O-ring material
Outlet valve
EPDM - standard
Downloadable catalogs, brochures
  • Supply and Switchover Boards
    Last update: Mar 17, 2021
    Available in: en/cn/de/fr
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