Data sheet
Backwash filter/pressure reducer f. Drinking water, R 2", DVGW
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FRWR 20
Example illustration
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Version:
Combined station for pressure control and filtration of drinking and process water (neutral) as well as chemical-free cooling water from once-through cooling systems (no circulating water). Protects the pipelines and the system parts connected to them from malfunctions and corrosion damage caused by foreign particles carried in the water, such as rust particles, chips, sand, hemp, etc. The filter element is cleaned by manual backwashing (flushing out the dirt particles) at regular intervals. The rinsed out dirt and the rinsing water can be discharged via a hose or HT pipe.
Materials:
Body: brass, sieve bowl: clear special plastic, spring hood: plastic with adjustment scale for setpoint pressure
Temperature range:
+5 to +40 °C (medium +5 to +30 °C)
Input pressure:
2 to 16 bar
Pressure gauge connection:
G 1/4"
Pore width in the filter:
90 µm
Rinse water connection:
13 mm hose screw connection or HT tube Ø 50 mm
Media:
Drinking water, process water (neutral), chemical-free water for various industrial applications (no circulating water)
Approvals:
R 3/4" to R 1-1/4": DIN DVGW type examination (test principles DIN DVGW type examination: DIN 19628, DIN EN 13443-1, UBA BWGL metals, UBA elastomer, UBA transitional regulation KTW BWGL, DVGW W 270)
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| Thread | R 2" |
| Max. flow* [l/min] | 183 |
| Pressure regulation range [bar] | 2 - 6 |
| DN [mm] | 50 |
| L1 [mm] | 125 |
| L2 Standard [mm] | 260 |
| L2 with screw connection** [mm] | not available |
| H [mm] | 500 |
| Replacement filter element 90 µm | FWR EF 11220 |
| Replacement filter cup | FWR EG 11220 |
Further information:
| {{ $t('shop.all.gewicht') }} | 11 kg / pcs |
| {{ $t('shop.all.gtin') }} | 4050571309206 |
| {{ $t('shop.display.artikel.zollwarennummer') }} | 84811005 |
| {{ $t('shop.display.artikel.rohskonform') }} | {{ $t('shop.all.ja') }} |
Figure
More information on this item and the process for ordering it can be found in our online shop https://www.landefeld.de under item number FRWR 20.
Landefeld Druckluft und Hydraulik GmbH · Konrad-Zuse-Straße 1 · 34123 Kassel · Germany
All data are to be understood as non-binding reference values! We do not assume liability for any data selection not confirmed in writing. Unless otherwise specified, pressure values refer to liquids from Group II at +20°C.
Our products arid goods are generally only intended for industrial and commercial uses.
Our products arid goods are generally only intended for industrial and commercial uses.
As of: 08.12.2025