FOR MODELS: JGI, JGM, JGN, JGP AND JGQ SECTION 1 - DESIGN SPECIFICATIONS & DATA
9/08 PAGE 1-9
If any plate is missing, please contact Ariel Corporation, Mount Vernon, Ohio for a replace-
ment and specific directions.
FIGURE 1-2 IDENTIFICATION PLATE LOCATIONS - COMPRESSOR DRIVE END VIEW
ARIEL CORPORATION
FULLY CLOSED A =
FULLY OPEN A =
VVCP S.N.
REMOVE ALUMINUM THREAD PROTECTOR WHERE APPLICABLE
A A
A-12927
A-6936
MECHANICAL INSPECTION
JOHN DOE
Variable Volume
Clearance Pocket
Serial Number
Fully Closed
Dimension A,
inches or cm
Fully Open
Dimension A,
inches or cm
Remove aluminum
thread protector
where applicable
VVCP Instruction Plate
VVCP S.N.
BASE VOL.
VVCP MAWP
A-0755
VARIABLE VOL.
TOTAL TRAV. TURNSOR
ARIEL CORPORATION
CYL. BORE
BORE
STROKE
PIST. END CL.
MIN. VOL. CL. (%)
CYLINDER SERIAL NO.
HE
HE
CE
CE
CLASS
RATED RPM
MAX. ALLOWABLE WORKING PRESS.
(MAX. RELIEF VALVE SETTING)
ARIEL CORPORATION
A-0465
Cylinder Identification/Data Plate
“Suction” Valve
Pocket Identification
Plate
“Discharge” Valve
Pocket Identification
Plate
Serial number, MAWP,
part number, work order
number, hydrostatic test
pressure, test date, and
tester’s personal stamp
are stamped on the end of
each cylinder.
Customer work order number and hydrotest pressure stamped near
VVCP plates on top of VVCP body.
Variable Volume
Clearance Pocket
Serial Number
Base Volume in cubic
in. or cubic cm (with
VVCP closed)
Nominal Cylinder
Bore diameter,
in. or mm
Variable Volume,
cubic in. or cubic
cm
Total Travel in. or cm, or
number of turns
VVCP Maximum Allowable
Working Pressure (maximum
relief valve setting), pounds
per square inch gauge or bar
g
VVCP - Variable Volume Clearance Pocket Data Plate
Nominal Bore
Diameter,
in. or mm
Stroke,
in. or
mm
Piston End
Clearance,
head end,
in. or mm
Cylinder
Serial
Number
Minimum
Volumetric
Clearance,
head end,
percentage
Maximum
Allowable
Working
Pressure
(maximum relie
valve setting),
pounds per
square inch
gauge or bar
g
Class Rated
Revolutions
Per Minute
Piston End
Clearance,
crank end,
in. or mm
Minimum
Volumetric
Clearance,
crank end,
percentage
Cylinder Identification Plates appear on each cylinder.
The serial number is also stamped on the end of each
cylinder.
NOTE: USE CYLINDER AND FRAME
SERIAL NUMBERS IN ALL
CORRESPONDENCE
SUCTION
A-0640-A
DISCHARGE
A-0640-B
Frame serial number is stamped on frame
machined surface (above Mechanical Inspector’s
Plate - this plate is not provided if compressor
was mechanically incomplete at factory testing)
on drive end, throw #2 side.
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