51
Size Usage Range Maximum Allowable Back Pressure
Part #
Nominal Size
Inches (mm)
Minimum
Diameter
Inches (mm)
Maximum
Diameter
Inches (mm)
Air
Pressure
PSI (bar)
Head
Pressure
Feet (Meters)
Required Inflation
Pressure
PSI (bar)
Air-Loc® Leak Locator Plugs (Back Plug)
275078 6” - 10” (150 - 250) 5.25” (133) 10.3” (260) 13 (0,9) 30 (9) 30 (2,1)
275108 8” - 12” (200 - 300) 7” (178) 12.3” (312) 13 (0,9) 30 (9) 30 (2,1)
275138 12” - 18” (300 - 450) 10.75” (273) 18.8” (478) 13 (0,9) 30 (9) 30 (2,1)
401608
40” - 60”
(1000 - 1525)
38” (965) 60.5” (464) See chart below* 25 (1,7)
at 42” (1050) 15 (1,0) 35 (11)
at 42” DI (1050) 15 (1,0) 35 (11)
at 48” (1225) 13 (0,9) 30 (9)
at 54” (1375) 11 (0,76) 25 (7.6)
at 60” (1525) 8.7 (0,6) 20 (6.1)
at 60” DI (1525) 8.7 (0,6) 20 (6.1)
WARNING: Plugs must be braced while in use.
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