Buhler GAS 222.30 Ex2, Installation And Operation Instructions Manual

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GAS 222.30 Ex2
4.5 Connecting the Gas Line
The sample gas line must be carefully and properly connected using a suitable fitting.
This table provides an overview of the sample gas probe connections:
Probe
GAS 222
Reservoir
PAV01
Ball valve
pneumatic drive
Control valve
3/2-way solenoid
valve
Connecting flange
1)
DN65/PN6/
DN3"-150
Sample gas inlet G3/4
Sample gas outlet NPT 1/4
Blowback connection G3/8
Test gas connection
1)
Tube Ø6 mm
Tube Ø1/4
Filling port NPT 1/4
Condensate G1/2
Bypass NPT 1/4
Control air G1/8 G1/4
NPT 1/4
Tab. 1: Gas Probe Connections (Varies by Model)
1)
Varies by version.
Connecting the sample gas line requires a pipe fitting with NPT 1/4" female thread.
WARNING Gas emanation
Sample gas can be harmful to the health!
Check the lines for leaks.
4.5.1 Blowback Connection
If the probe has a G3/8 blowback connection, without factory installed blowback device it will be open. The blowback connection
must be sealed gas-tight prior to start-up.
DANGER Toxic, corrosive gasses
Explosive or toxic gases can develop due to a leaking or open blowback connection.
4.5.2 Connecting the calibrating gas line (optional)
Connecting the calibrating gas line requires a Ø6 mm or Ø1/4” pipe fitting.
If the calibrating gas connection was ordered with check valve, a Ø6 mm or Ø1/4” pipe can be connected directly to the check
valve.
9 Bühler Technologies GmbH BE460064 ◦ 08/2019