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The refilling combination serves automatic filling and refilling from closed heating systems to DIN EN 12828:2003. The refilling combination can be connected in accordance to DIN EN 1717 constantly with the drinking water supply. The refilling combination combines backflow preventer, pressure reducing valve and ball valves in one appliance. The refilling combination contains all devices for refilling a heating installation, according to conforming standards.
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| Approvals |
Check valve DIN/DVGW-approved |
| Materials |
Housing in dezincification-resistant brass, high-grade synthetic material discharge connection, valve cartridge, check valve and spring hood, diaphragm in fibre-reinforced NBR, adjustment spring in spring steel, seals in NBR and EPDM, insulation jacket in EPP. |
| Media |
Water without inhibitors |
| Max. media temperature |
65 oC |
| Pressure rating |
PN10 |
| Pressure setpoint range |
1,5 ... 6 bar |
| Product description |
with 1/2" threaded connections |
| Port connection |
external threads |
| Type |
NK295S-1/2A  |
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me Link
