Preparation for Installation
15
Material Required for the Installation (not supplied)
Gas Connections
For the connection of pipelines: Threaded connections with a 1/8 NPT
thread and PTFE sealing tape
Fidas24: Use only metal threaded connectors!
Fidas24: Gas lines
Process gases, test gases and waste air
PTFE or stainless steel tubes with 4 mm inside diameter and
PTFE or stainless steel tube with at least 10 mm inside diameter for
waste air
Tube
fittings
Pressure
regulator
Flow restrictor in the combustion gas supply line (see page 29)
Shut-off valve in the combustion gas supply line (see page 29)
Sample gas
Heated sample gas line (recommended: TBL 01) or
unheated sample gas line (PTFE or stainless steel tube with
inside/outside diameter 4/6 mm).
The fittings and O-rings required for the connection are included in
the scope of supply and delivery of the gas analyzer.
Flowmeter/Flow Monitor
Flowmeter or flow monitor with a needle valve for adjustment and
monitoring of the sample gas flow rate and purge gas flow rate if
required
Notes for the selection and use of flowmeters:
Measuring range 7…70 l/h
Pressure drop < 4 hPa
Needle valve open
Recommendation: Flowmeter 7…70 l/h, Part Number 23151-5-
8018474