Diaphragm single stage automatic switchover board with manual reset - TD102
Equipment for gas systems > Speciality gas equipment > Supply & switchover boards
The TD 102 switchover board is ideally suited for corrosive gases and high purity applications for low flow applications. The device is dedicated to the supply of gas to analyzers and to the creation of controlled atmosphere in laboratories, control units.
Key advantages
  • Possible to connect up to 6 cylinders without using the purge line
  • Maintains purity: eliminates cross-flow mixing of supply sources
  • Ready to install with all components are mounted on a board
  • Can be equipped with a collectable tube on the relief valve and purge outlet
  • Can also 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
  • Ammonia version available on demand


Product image

Product image

Female portsG 3/8 (inlet/outlet) or 1/4 NPT (inlet/outlet)
Seat sealPCTFE
O-ringEPDM - standard FPM
Weight± 15,0 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 bar, NH3 : 8 bar
Outlet Pressure10/25/50 bar, NH3 : 3 bar
Nominal flow10/10/50 Nm3 /h (N2) NH3 : 5 Nm3 /h (NH3)
Oxygen useNo
Dimensional drawings
Product Configurator
Body material
Version type
Outlet Pressure
End connections
O-ring material
Outlet valve
EPDM - standard
Stainless steel
Automatic switch with manual reset
10 bar 145 psig
25 bar 362.5 psig
50 bar 725 psig
Ammonia special version (P2 = 3 bar)
G 3/8 - Female
1/4 NPT - Female
with gauges - standard
with HP inductive contact gauge
without outlet shutoff valve (standard)
with outlet shut-off valve
Standard configuration
with connected purge and relief valve
Downloadable catalogs, brochures
  • Download
    Supply and Switchover Boards
    Last update: Mar 17, 2021
    Available in: en/cn/de/fr
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