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Automatic changeover valve type AUV-ND
8 / 10
Part No. 02 585 5
0
OPERATION
Type of withdrawal
Operation
AUV-ND
Spare
Operation
Arrow indicating the withdrawal
direction on the turning knob points to
the gas cylinder(s) on the operation
side. The visual indicator is on
GREEN “operation”.
Spare - operation side is empty
Arrow indicating the withdrawal
direction on the turning knob points to
the gas cylinder(s) on the empty
operation side. The visual indicator is
on RED "spare".
Cylinder replacement during
operation
Move the arrow indicating the
withdrawal direction on the turning
knob to the gas cylinder(s) on the
spare side. The visual indicator
changes from RED "spare" to GREEN
"operation".
Refer to cylinder replacement.
NOTICE
If the cylinder system is to be operated while a cylinder is being replaced, the open
connection on the AUV-ND must be closed tightly with a sealing nut .
NOTICE
The AUV-ND can also be operated with just one gas cylinder. The non-return valve integrated
into the inlet nozzle prevents gas from flowing out of the free connection. During operation
with just one gas cylinder, the free connection on the AUV-ND must be closed with the sealing
nut.
Move the arrow for the withdrawal direction on the turning knob to the direction of the
connected cylinder.