Siemens 7MB2531 Operating Instructions Manual page 23

3. Use a suitable tool (open-end wrench SW 21) to install the flame arrestor with adapter on the
sample gas inlet and outlet in a wrench tight manner.
4. The screwed joints of the flame arrestor with a G1/4" pipe thread according to ISO 228 serve
as gas connections.
Choose a material for the gas supply and exhaust lines that is suitable for the sample gas.
Observe the information in the relevant operating instructions during installation.
Connection for CALOMAT 62F
Instructions
1. Remove the protective plug from the sample gas inlet and outlet.
2. Remove the flame arrestor with adapter from the packaging and remove the protective plug.
3. Wrap the thread that is to be screwed into the sample gas inlet and outlet with PTFE thread
seal tape according to DIN EN 751-3 class F or FRp as follows:
– Wrap one piece of PTFE tape by hand clockwise in a double layer around the outer thread,
– In doing so, apply the minimum tension necessary for the PTFE tape to take on the shape
Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
Compact Operating Instructions, 09/2018, A5E45779389002-01
①
Sample gas inlet and outlet
②
Flame arrestor with adapter
③
Sample gas connection
①
Sample gas inlet and outlet
②
Protective plug
starting at the external outlet on the adapter.
of the thread.
Assembly/installation
3.1 Safety information
23