CHART Cryo-Cyl80HP, Руководство по эксплуатации продукта

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Appendix 1 Product Manual - Liquid Cylinders
Excess
Pressure
Pass
Pressure building
regulator is not
opening properly.
Remove, bench test,
rebuild or replace
regulator.
Check gas service
requirements,
readjust or replace as
needed.
Pressure rises and
stops. Pressure
building regulator is
set wrong remove
and adjust as
needed.
Cylinder is leaking.
Leak is greater than
pressure building
ability.
Check for frost on
lines or top of tank.
Listen for hissing,
leak check joints,
repair leaks.
Pressure building
regulator is set too
low. Adjust to proper
setting.
Pressure building
valve is closed. Open
valve.
Cylinders used for liquid
withdrawal should have
lower pressure relief
valve and regulator that
match
Low gas usage;
minimum daily usage is
100 SCFH
Circumferential rings or
frosting 4” - 8” from
bottom of cylinder
indicates the use of
internal pressure
building vaporizer
Pressure rises to
relief valve setting
and cylinder is cold or
frosted near bottom
the regulator leaks.
Rebuild or replace
regulator.
May indicate poor
vacuum insulation;
perform NER test
Fail
Fail
Fail
Pass
Send cylinder
to repair
facility
Pressure
Too Low
Check for leak in
plumbing and liquid
level gauge. Repair
as necessary
Frosting of pressure
building vaporizer
after use or continues
in idle periods may
indicate leaks in
cylinder. Leak check
joints, repair leaks.
Damage (dents) on
outer shell restricting
the flow of liquid or
gas through internal
vaporizers
Gas usage too high,
may exceed maximum
allowable delivery rate.
Refer to cylinder
delivery and pressure
building specifications.
Provide larger capacity
cylinder and/or
additional vaporizer
Frost on the top of
cylinder is normal during
and after fill. Frost on
the sides of cylinder is
normal during and after
use.
Fail
Frost on
Side of
Cylinder
Misc. frost
spots
Frosting of pressure
building vaporizer in
idle periods together
with excess internal
pressure may indicate
leaks in PB regulator.
Isolate regulator,
bench test, rebuild or
replace.
Circumferential rings or
frosting 10” above bottom
of cylinder indicates the
use of internal gas use
vaporizer. This is normal
and should melt within
two hours after gas use
stops.
Frosting of gas use
vaporizer after use or
continues in idle
periods may indicate
leaks in cylinder.
Leak check joints,
repair leaks.
Pass
Fail
Pass
Frost on
Top of
Cylinder
Frost on the top of
cylinder is normal during
and after fill
Frost on the top of
cylinder is normal with
periods of high gas
withdrawal.
Frost on the top of
cylinder is normal when
withdrawing a liquid gas
product.
Frost may
indicate high
pressure or
leaks
Check for excessive
internal tank pressure
at or near relief valve
setting. See
Excessive pressure
Pass
Fail
Fail
Frost On
Entire
Cylinder
Frost over entire
cylinder is normal with
high rates of withdrawal.
Both the PB and GU
vaporizers are frosted.
Frost over entire
cylinder may indicate
cylinder has lost
vacuum.
Perform NER test.
Send cylinder for re-
evacuation and repair
See section on
excess internal
pressure. Test and
correct pressure
control problems
Cylinder may have
internal damage.
Contact technical
service for evaluation
or repair for
disposition
Pass
Fail
Delivered
Gas Too
Cold
Gas withdrawal rates
exceed recommended
usage
Refer to operating
manual for published
rates.
Change to larger
cylinder or add
additional vaporizer.
Customer may require
a low pressure (LP)
cylinder if available
Remove and bench
test pressure-building
regulator. Change
cylinder relief valve.
Liquid
delivery is
mostly gas
Internal pressure is too
high. Refer to operating
manual for correct
pressure settings.
May indicate
contaminants or ice
plugging vaporizer:
see plugged lines
Plugged
Lines
Cylinders should always
maintain positive gas
pressure not allowing
atmosphere to enter.
Atmospheric moisture will
lead to condensation,
freezing at cryogenic
temperatures.
Water droplets can freeze
the PB vaporizer closed.
Ice crystals with exiting gas
may not allow the PB or GU
regulators to close properly.
Depressurize cylinder and
remove regulator from
suspected line. Check for
free gas flow from line.
Remove cylinder from
service and allow to warm
above freezing. Purge
cylinder as described in
operating manual.
Purge warm regulator,
rebuild or replace if
needed.
CO
2
CO
2
will only be in a liquid state
ABOVE 60.4 PSI. Below it takes
on the solid state of Dry Ice.
CO
2
in a liquid state often carries
contaminates that can collect and
freeze inside the cylinder.
Pressurize cylinder to re-
liquefy contents. Purge
cylinder to remove
contaminants. See operating
manual for procedures.
Fail
Add a phase separator
to the end of the
transfer line.