The OLS range of flow stoppers come a series of sizes from 40-70mm through to 500-1200mm
The plugs are multi-size flow stoppers, this means that with each flow stopper you can close off a range of pipe diameters. The flow stoppers are easy to install and even more importantly, easy and quick to remove because of the relative small diameter and weight.
Suitable in sewerage systems for inspections, repairs and testing.
Test and Bypass plugs suitable for air and water tests.
Safety factor of 3 on maximum allowable working pressure