ENGLISH
Only use regulators with cylinder connections which correspond to the type of gas and the valid national standards
for cylinder connections.
Connecting to gas cylinder
1. Screw the swivel nut onto the valve connection on the cylinder by hand first (refer to figure 4). Pay attention the
right-handed and left-handed threads! Align the pressure regulator. When mounting do not tilt!
2. Tighten the swivel nut with a suitable fork spanner (refer to figure 5).
CAUTION – do not use a spanner extension as otherwise the gasket and the thread could be damaged. This can lead
to leakage and uncontrolled release of the gas supply (complete loss of gas!).
Connecting the outlet tubes
Tubes are usually connected with compression fittings. Assembly is carried out by completely inserting the tube into
the compression fitting. Then screw on the swivel nut by hand and tighten with a fork spanner (1 1/4 turn). Please
pay attention to information provided by manufacturer as well as the suitability of the materials for certain gases and
pressure ranges.
7. Start-up
DANGER! Before starting operation, use the nameplate to check whether the pressure device to be used is suitable
for the planned application purpose (type of gas, pressure, material, etc.)
WARNING! Before switching on the pressure device ensure that no-one can be endangered by starting operation of
the pressure device.
Preparation
Ensure that the used gas tubes are tightly connected. Turn the hand-wheel of the regulator in an anti-clockwise
direction until the end stop – this means that the gas flow is now stopped. Close all valves.
Process gas extraction
Slowly open the cylinder valve (shut-off valve on the pressurized gas container). Watch the inlet pressure gauge.
Adjust the required outlet pressure by turning the regulator hand-wheel clockwise. Adjust the required flow on the
regulating valve (if applicable).
8. Cylinder change
DANGER! When changing the cylinder with toxic, corrosive gases, the appropriate protection measures are to be
taken to protect personnel (breathing apparatus, eye protection and protective clothing). Maximum permissible
values of the concentration at the place of work must be heeded, have the correct breathing protection filters
available.
Preparation
Tightly close the cylinder valve (on the pressurized gas container). Close the inlet valve. Completely empty the
regulator. The pointers of the inlet pressure and outlet pressure gauges must both be at "0". Turn the hand-wheel of
the regulator to the left until the end stop (flow closed). Close the outlet valve.
9. Shutting down operations
CAUTION! When dismantling as a general rule note: release pressure from regulator and tubings by venting the gas
via the consumer, the pointers of the inlet and outlet pressure gauges must point exactly at "0".
9.1 Cylinder regulator
For short stops in extraction of gas it is sufficient to close the shut-off valve on the regulator. In the case of longer
stops, the regulator has to have the pressure released by turning the hand-wheel anti-clockwise. For safety reasons
close the cylinder valve.
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