Air Release Assembly Type Plug > Pneumatic plugs

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There may be differences in using photos on the site.

Since the large sized conventional pipes cannot get through the entrance of a manhole after installation of the manhole therefore; the assembly type plug is produced to dismantle in order to get through the entrance of a manhole easily and it can be also easily assembled inside the manhole.
Part
Number
Usage Size Inflation Pressure Maximum
Back Pressure
Product
Weight
Deflated
Diameter
By-Pass
Pipe In Dia
Separate
Parting
Ø inch Kgf/㎠ bar Kgf/㎠ bar kg lb Ø inch
332-460 600 24 1.2 1.18 0.3 0.29 65 143.3 580 23.2 40A(1½) 2
332-470 700 28 1.2 1.18 0.3 0.29 85 187.3 680 27.2 40A(1½) 2
332-480 800 32 1.2 1.18 0.3 0.29 105 231.4 780 31.2 40A(1½) 2
332-490 900 36 1.2 1.18 0.3 0.29 125 275.5 880 35.2 40A(1½) 2
332-410 1000 40 1.2 1.18 0.5 0.49 140 308.6 980 39.2 40A(1½) 2
332-411 1100 44 1.2 1.18 0.5 0.49 168 370.3 1080 43.2 40A(1½) 3
332-412 1200 48 1.2 1.18 0.5 0.49 182 401.2 1180 47.2 40A(1½) 3
332-413 1300 52 1.2 1.18 0.5 0.49 220 485.0 1280 53.2 40A(1½) 3
332-435 1350 54 1.2 1.18 0.5 0.49 240 529.1 1330 54.0 40A(1½) 3
332-415 1500 60 1.2 1.18 0.7 0.69 300 661.3 1480 59.2 40A(1½) 3
332-418 1800 72 1.2 1.18 0.7 0.69 320 705.4 1780 72.0 40A(1½) 4
332-520 2000 80 1.2 1.18 0.7 0.69 350 771.6 1980 79.2 40A(1½) 4

Use of Product : Dismantle then equip for a small manhole with a large diameter of the main pipe



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