SYR Drufi+ DFR Backwash Filter with Pressure Reducer

The Drufi+ DFR is a fitting combination specially developed for house inlet installation according to DIN 1988, consisting of a semi-automatic backwash filter according to DIN EN 13443-1 and a pressure reducer according to DIN EN 1567. The Drufi+ DFR combines modern technology with modern design and high-quality workmanship. Connected to a DN 50 drain pipe, the integrated funnel directs the backwash water into the sewage system. The Drufi+ DFR is equipped with a display ring for maintenance reminders according to DIN 1988. With the Drufi+ DFR fitting combination, the correct installation sequence according to DIN 1988 is maintained. The Drufi flange program is used for installation in the pipeline. The flanges can be mounted in vertical and horizontal pipes. The built-in pressure reducer allows individual pressure adjustment.
The Drufi+ DFR consists of a mechanically operating, semi-automatic backwash filter. In addition, it is equipped with a flange seal, hex socket screws for flange mounting and an assembly wrench for the hex socket screws. The pressure reducer insert is factory set to 4 bar outlet pressure, with the external adjustment knob allowing individual pressure adjustment between 1.5 and 6 bar. In addition, an outlet pressure gauge is part of the Drufi+ DFR equipment.
Technical data:
Operating pressure: min. 2 bar, max. 16 bar
Operating temperature: 30 °C
Medium: Drinking water
Permeability: 90 - 125 µm
Flow rate: 2.3 m³/h at ?p 1.1 bar (DN 20)
3.6 m³/h at ?p 1.1 bar (DN 25)
5.8 m³/h at ?p 1.1 bar (DN 32)