Heavy Duty Balanced Opposed Compressors

FOR MODELS: JG AND JGA SECTION 4 - LUBRICATION AND VENTING
Blow-Out Fittings and Rupture Disks
TABLE 4-2: BLOW-OUT FITTING ASSEMBLIES AND REPLACEMENT RUPTURE DISKS
SUPPLIER
BLOW-OUT FITTING ASSEMBLY
ARIEL P/N
RATED
PSI
RATED
MPa
REPLACEMENT RUPTURE DISK a
ARIEL P/N COLOR
THICKNESS
INCHES mm
Lincoln A-0080 3250 22.4 A-0124 Purple 0.0225 0.57
Lubriquip A-3531 3700 26 A-3536 Yellow 0.010 0.28
Lubriquip A-3532 4600 32 A-3537 Red 0.012 0.30
Lubriquip A-3533 5500 38 A-3538 Orange 0.014 0.36
Lubriquip A-3534 6400 44 A-3539 Aluminum 0.016 0.41
Lubriquip A-3535 7300 50 A-3540 Blue 0.020 0.51
a. Do not use a Lincoln replacement rupture disk in a Lubriquip blow-out fitting assembly, nor a Lubriquip
disk in a Lincoln fitting. See Figure 1-15 on page 1-15 for blow-out fitting cap tightening torque. Do not
over tighten cap or blow-out pressure can be reduced.
Fitting
FIGURE 4-2: LINCOLN ST. LOUIS BLOW-OUT FITTING ASSEMBLY (P/N A-0080 ONLY)
Fitting
Rupture Disk
Rupture Disk
Cap
Cap
1/4 Inch (6mm)
Diameter Hole
1/8 Inch (3mm)
Diameter Hole
FIGURE 4-3: LUBRIQUIP BLOW-OUT FITTING ASSEMBLY
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