Reverse rinsing filter combination with rotatable connector flange, FK74C
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| The FK74C filter combinations comprise reverse rinsing filter and pressure reducing valve in one appliance. They ensure a continuous supply of filtered water. The fine filter stops the ingress of foreign bodies, for example rust particles, strands of hemp and grains of sand. The pressure reducing valve prevents pressure damage and reduces water consumption.
FK 74 C filter combinations are fitted in systems where a pressure reducing valve is required. Both horizontal and vertical installation is possible. |
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| Approvals |
DVGW certified |
| Media |
Water |
| Body material |
synthetic material |
| Spring bonnet material |
synthetic material |
| Port connection type |
external threads |
| Max. media temperature |
30 oC |
| Static pressure |
PN16 |
| Pressure setpoint range |
1,5 ... 6 bar |
| Transparant strainer chamber |
yes |
| Balanced seat design |
yes |
| Reverse rinsing with filtered water |
yes |
| Mounting position |
horizontal or vertical |
| Additional description |
| • |
Inlet pressure compensation - fluctuating inlet pressures
do not influence outlet pressure |
| • |
Filtered water supplied even during reverse rinsing |
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Patented reverse rinsing system - fast and thorough
cleaning of the filter with small amount of water |
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Memory ring indicates time when next reverse rinsing
is due |
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Automatic reverse rinsing actuator with bayonet connector can be retrofitted |
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Large filter surface |
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Shock resistant clear synthetic material filter bowl enables easy checking of filter contamination |
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Filter and complete filter bowl are replaceable |
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The valve insert is of high quality synthetic material and can be fully exchanged |
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Standardised discharge connection |
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Meets KTW recommendations for potable water |
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| Port diameter | DN size | Flow capacity Kvs | Integral filter | Type |
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| inch | mm | | micron | |
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| R 3/4 | 20 | 5,5 | 100 | FK74C-3/4AA  | | R 1 | 25 | 6 | 100 | FK74C-1AA | | R 1 1/4 | 32 | 6,5 | 100 | FK74C-11/4AA |
| Port diameter | DN size | Flow capacity Kvs | Integral filter | Type |
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| inch | mm | | micron | |
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| R 3/4 | 20 | 5,5 | 50 | FK74C-3/4AC | | R 1 | 25 | 6 | 50 | FK74C-1AC | | R 1 1/4 | 32 | 6,5 | 50 | FK74C-11/4AC |
| Port diameter | DN size | Flow capacity Kvs | Integral filter | Type |
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| inch | mm | | micron | |
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| R 3/4 | 20 | 5,5 | 200 | FK74C-3/4AD | | R 1 | 25 | 6 | 200 | FK74C-1AD | | R 1 1/4 | 32 | 6,5 | 200 | FK74C-11/4AD |
| Description | Additional Product Type |
|---|
| Automatic reverse rinsing actuator with bayonet connection for automatic filter cleaning | Z74S-A | | Automatic reverse rinsing actuator for automatic filter cleaning, 230V, 50/60Hz, 10 W | Z74A-A | | Automatic reverse rinsing actuator for automatic filter cleaning, 24V, 50/60Hz, 10 W | Z74A-A | | Inlet check valve, connection size 3/4" | RV277-3/4A | | Inlet check valve, connection size 1" | RV277-1A | | Inlet check valve, connection size 11/4" | RV277-11/4A | | Connector piece for conversion of the fine filters with rotatable connector pieces (1 1/4" and 1 1/2") into retrofit filter combinations (Converts 63 mm hole centres to 45 mm hole centres) | ZA76C | | Threaded male connection, connection size 3/4" | VST06-3/4A | | Threaded male connection, connection size 1" | VST06-1A | | Threaded male connection, connection size 11/4" | VST06-11/4A | | Soldered union connection, connection size 3/4" | VST06-3/4B | | Soldered union connection, connection size 1" | VST06-1B | | Soldered union connection, connection size 11/4" | VST06-11/4B |
| Description | Additional Product Type |
|---|
| Pressure gauge with housing diameter 50 mm, connection thread G 1/4, range 0 - 16 bar | M07M-A16 | | Valve insert complete (without filter) | D06FA-1B | | Filter insert complete, filter mesh size 100 micron | AF74-1A | | Filter insert complete, filter mesh size 50 micron | AF74-1C | | Filter insert complete, filter mesh size 200 micron | AF74-1D | | Clear filter bowl complete | KF74-1A | | Double ring wrench for removing filter
bowl | ZR10K-3/4 |
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