Shaft Bottom with Non-Return Valve 400/160, Inspection Shaft for Sewage, Backflow Protection

Product detailed description

The shaft bottom with a non-return valve is a device that effectively blocks the backflow of wastewater. Advantages of the shaft bottom with a non-return valve: effective protection of buildings low cost and easy installation the non-return valve can be removed at ground level without entering the shaft no need to call a specialist for maintenance resistant to corrosion, negative temperatures and chemicals the valve has successfully passed a series of tests required by the PN-EN 13564 standard and received the CE mark The inspection shaft is mounted on the sewage pipe, generally to allow a "drain snake" to be inserted into the sewage pipe to clear the branch when it becomes clogged. If the sewage pipe is longer, we recommend inserting inspection shafts every 20-25m. The inspection shaft with a non-return valve prevents sewage from flowing back into the building or rodents from entering the dwelling. The maximum permitted installation depth of the inspection shaft with a built-in non-return valve is 5m, and the maximum operating temperature is 95°C. The inspection shaft with a non-return valve is easy to install and can be handled even by a beginner DIY enthusiast.