Blank inflatable pipe stoppers can be used to seal a wide range of pipes, and are available in 3 different sizes to suit varying back pressure levels - 1.5 bar (up to 5m head of water), 2.5 bar (up to 10m head of water) and 6 bar (up to 30m head of water). These pipes stoppers can be inflated remotely using an inflation hose, and are fitted with a series 26 coupling.
Suitable bracing should be used with inflatable blank pipe stoppers are at all times. Back pressure values given are valid in concrete pipes and properly braced configurations.