Pressure reduction device for domestic water supply system with cylindrical dirt catchment device and relatively rotatable reverse rinsing flow device

摘要

The pressure reduction device has an inlet pressure chamber (14) divided into an entry chamber (70) and a regulating valve chamber (72) by a cylindrical dirt catchment device (68), with a reverse rinsing flow provided by a reverse rinsing flow device (74) covering a limited angular range of the dirt catchment device and rotated about the axis of the latter.