NSS Series
Nuvair
Page 13
www.Nuvair.com
9.0 Fill Containment Station Operation
NOTICE
During refill, the operator must be in the work area.
WARNING
During tank refill, those not involved in the refill procedure must maintain a safety distance of
at least 9 feet (3 meters). Also, it is forbidden to disconnect the hoses from the fittings while
the station is under pressure. If an emergency occurs during refill, shut down the fill
containment station immediately.
DANGER
Should tanks show evident signs of internal or external corrosion, do not refill them even if
they have been tested.
WARNING
Use only tested tanks (as proven by a test stamp and/or certificate). The working and tank refill
pressures are stamped on the tank shoulder. It is forbidden to refill them at a pressure greater
than that indicated.
Different fill valves are available at the time of purchase. Variations include INT (Yoke), DIN232, DIN300, and
SCBA. To refill cylinders, follow procedures described below and as illustrated in Figure 4:
•
Check that cylinders to be refilled are in good condition.
o
Cylinders must be inspected as required by local law and have evidence (stamped or label)
attesting to said certification or inspection.
o
Conduct a visual inspection of the cylinder/s exterior.
•
Check that fill whips and associated fittings are in good condition.
•
Set the desired fill pressure using the
dial-a-pressure switch.
•
Fit the hose connector (a) to the fill
valve (b).
•
Screw in the fill valve knob (c) until it
is tightened.
•
Check that the bleed valve (f) is
closed by rotating it clockwise.
•
Open the valve (d) by rotating it
counterclockwise.
•
Start the fill containment station.
•
Open the valve (e) by rotating it
counterclockwise.
•
Once refilling has been completed
wait for automatic shutdown of the fill
containment station with the pressure switch.
•
Close valves (d) and (e) by rotating them clockwise.
•
Open the bleed valve (f) by rotating it anticlockwise until all the residual air in the whip has been
expelled.
•
Unscrew the fill valve knob (c) by rotating it counterclockwise.
Figure 4. Tank refill illustration (DIN valve pictured).
