55
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)
Multi-Size Big-Mouth® Plugs
374068 6” - 10” (150 - 250) 5.75” (146) 10.25” (260) 10 (0,69) 23 (10) 40 (2,8)
374088 8” - 12” (200 - 300) 7” (178) 12.25” (311) 15 (1,0) 34 (10.5) 35 (2,4)
376088
376128 12” - 18” (300 - 450) 11.25” (286) 18.25” (464) 10 (0,69) 23 (10) 25 (1,7)
378128
376148 14” - 21” (375 - 525) 13.6” (345) 21.25” (540) 10 (0,69) 23 (10) 25 (1,7)
378148
380148
376188 18” - 24” (450 - 600) 16.5” (419) 24.25” (616) 10 (0,69) 23 (10) 22 (1,5)
378188
380188
376248 24” - 36” (600 - 900) 21.75” (552) 36.25” (921) 10 (0,69) 23 (10) 20 (1,4)
378248
380248
WARNING: Plugs must be braced while in use.