The Straight Flush system is VA-approved
As an extra quality assurance the Straight Flush system is VA-approved. The VA- approvement is an extra quality assurance in addition to the requirements from the authorities, which is required when establishing water supplies and sewers, but not in regard to the Straight Flush system.
The VA- approval is an annual test of the products, carried out by the Technological Institute.E.g. the pipe connections are frozen anddropped on the floor, to test their robustness. Alos, they are put under pressure to see if they will keep tight after several minutes of overload. The plugs in the Straight Flush system are weight- and pressure tested.
