72
Charging Cylinders
The following procedures assume the cylinder has been hydrostatically tested if applicable, has been
cleaned and inspected, and the valve/siphon tube assembly has been rebuilt or is being replaced.
The cylinder can be pressurized by attaching the nitrogen supply to either the cylinder valve outlet (utilizing
the threaded discharge adapter) or the Schrader port on the cylinder valve (utilizing a 1/4” quick coupler
flare fitting with Schrader valve core deflector). Refer to
for recommended pressurizing
connections and setup.
Refer to
for recommended service parts that are not included with the system.
Figure 53 - EWC Cylinder Pressurization Set-up
CAUTION!
Do not attempt to recharge any cylinder without first checking for most recent hydrostatic test
date. In accordance with DOT and TC regulations, the EWC wet chemical cylinder must not be
recharged or transported without first being inspected internally and externally, and
hydrostatically tested if more than 5 (five) years have elapsed since the date of the last hydrostatic
test. Regardless of previous inspection dates, it is illegal to refill any pressurized container that
leaks, which bulges, has defective safety devices, bears evidence of physical abuse, fire or heat
damage, or detrimental rusting or corrosion, until it is properly repaired and re-qualified as
specified in DOT and TC regulations. Hydrostatic testing must be performed by a licensed
hydrostatic test facility.
Cylinder and
Valve Assembly
*Calibrated
Pressure Gauge
*Vent
Valve
*Shut-Off
Valve
Regulator
with Adapter
Nitrogen
Cylinder
* Optional Testing Components
Summary of Contents for EWC
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