The Duo FR is the entry-level filter in the filter program. It is used as a filter fitting for drinking water installations according to DIN 1988. Installation is carried out using the fully rotatable integrated connection flange. The Duo FR functions in all installation positions. Due to its very compact design, it can also be used to protect individual appliances (dishwashers, hot water heaters, etc.).
The Duo FR is designed as a manual backwash filter in connection sizes DN 20 - DN 25. The filter insert is made of plastic, the filter mesh of stainless steel.
Technical data:
Operating pressure: min. 2 bar, max. 16 bar
Operating temperature: 30 °C
Medium: drinking water
Mesh size: 90 - 125 µm
Flow rate: 1.4 m³/h at ?p 0.2 bar
2.3 m³/h at ?p 0.5 bar
Connection size: DN 20, R ¾
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