Trelleborg Inflatable Bypass Bags
Quick and Reliable Bypass of Drainage Channels, Pipework and Sewers
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Trelleborg inflatable bypass bags are the optimum solution for achieving quick and reliable bypass of drainage channels, pipework and sewers.
Inflatable Bypass Bags (sometimes known as bypass stoppers) are quickly inflated to bypass sewers, drainage channels and pipework.
Bypass Bags can also keep the sewer system ecologically clean by guarding it against the inflow of hazardous liquids.
We supply an array of Trelleborg inflatable bypass bags for sale and hire, each of which can accommodate a range of pipe diameters from 40 mm to 1200 mm. For each size there are two versions: a complete pipe stopper for holding back flow or pressure, and a bypass bag which, when combined with the appropriate couplings can be used for air testing, water testing, over-pumping or fluming.
Each bypass bag is able to fit a range of pipe diameters (see Specifications Table)
Capable of withstanding up to 0.5 bar (5 metres head of water) back pressure
Excellent holding on the pipe due to profiled grooves
Robust & lightweight design
Reliable and easy to use
Multi-layer bag design with fabric reinforcement enables expansion in diameter but stops longitudinal expansion