Siemens SIPROCESS GA700 Compact Operating Instructions page 154

Connecting
4.3 Gas connections
Wall-mounted device → bottom
①
②
③
Figure 4-5
Version with pipes
Introduction of toxic, aggressive or flammable gases
Before toxic, aggressive or flammable gases are introduced, carry out a leak test for the pipe
connections.
Note
Pipes
Connect the pipes using suitable threaded joints with the gas connections. The material of the
parts in contact with the gas (threaded joints and gasket material) must be appropriate to the
application.
The sample gas connectors are made of stainless steel no. 1.4404 or Hastelloy no. 2.4819.
The reference gas connector is made of stainless steel no. 1.4404. The gas connectors have
nozzles with an external diameter of 6 mm.
48
Purging gas nozzle 1
OXYMAT 7 analyzer mod‐
ule with:
Purging gas nozzle 2
Example of wall-mounted device, bottom
WARNING
1 Sample gas inlet
2 Sample gas outlet
Compact Operating Instructions, 05/2015, A5E35134047-02
3 not assigned
4 Reference gas inlet
Devices in explosion-proof design