Type ACE97
6
Installation and Startup
!
WARNING
Personal injury, equipment damage, or
leakage due to escaping accumulated
gas or bursting of pressure-containing
parts may result if this gas blanketing
system is overpressured or installed
where service conditions could exceed
the limits given in the Specications
section or on the valve nameplate, or
where conditions exceed any ratings of
the adjacent piping, piping connections,
or compatibility of valve materials with
process uids.
To avoid such injury or damage, provide
pressure-relieving or pressure-limiting
devices (as required by Title 49, Part 192,
of the U.S. Code of Federal Regulations,
by the National Fuel Gas Code Title 54 of
the National Fire Codes of the National
Fire Protection Agency, or by other
applicable codes) to prevent service
conditions from exceeding those limits.
Additionally, physical damage to the
tank blanketing system could result in
personal injury and property damage
due to escaping gas or tank contents.
To avoid such injury and damage,
install the tank blanketing valve in
a safe location.
The Type ACE97 Pad-Depad valve is assembled and
preset to the customer specied pressure and setpoint.
The pressure ranges of the valve are stamped on the
nameplate attached to the upper actuator case.
1. Use qualied personnel when installing, operating,
and maintaining valves. Before installing, inspect
the main valve, pilot, and tubing for any shipment
damage or foreign material that may have
collected. Ensure that the body interior is clean
and the pipelines are free of foreign material.
Apply pipe compound only to the external pipe
threads with a threaded body, or use suitable
line gaskets and good bolting practices with
a anged body.
2. Inspect the nameplate on the upper actuator
case. It displays the model number, serial number,
blanketing gas supply pressure range, maximum
inlet pressure, C
v
value, and set pressures. These
Figure 5. Type ACE97 Pad-Depad Valve Installation
E0629
SHUTOFF VALVE
SENSING LINE
SENSING
CONNECTION
VALVE TANK
CONNECTION
EMERGENCY
TANK VENT
VAPOR SPACE
TANK VALVE
LIQUID
DEPAD DIAGNOSTIC
GAUGE
NORMAL
TANK VENT
BLANKETING GAS
SUPPLY LINE
LINE STRAINER
BLANKETING GAS
CONNECTION
INLET VALVE
INLET PRESSURE GAUGE
PAD DIAGNOSTIC
GAUGE
TANK VAPOR SPACE
PRESSURE GAUGE
VENT CONNECTION
(20 Seiten)
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