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Refilling combination for closed heating systems, NK295C

Refilling combination for closed heating systems, NK295C

The refilling combination serves filling and refilling of closed heating systems to DIN EN 12828:2003. It can be connected in accordance to EN 171...

Product Description

The refilling combination serves automatic filling and refilling from closed heating systems to DIN EN 12828:2014-07. It can be connected in accordance with EN 1717 permanently with the drinking water supply. The refilling combination combines a CA type backflow preventer, pressure reducing valve and two ball valves in one appliance. The unit consists of all needed devices for refilling a heating installation according to conforming standards are contained.

Technical Properties

Media Water without inhibitors
Mounting position horizontal
Outlet pressure 1.5 ... 6 bar
Max. media temperature 65 oC
Materials Dezincification-resistant brass housing; discharge connection, valve cartridge, valve insert and spring hood in high-grade synthetic material; high-grade synthetic material check valve; seals in NBR; spring steel adjustment spring; isolation shell in EPP
Additional Descriptions
  • Permanent connection with the drinking water supply in accordance with EN1717 by hose line or piping is possible
  • Optimal protection of the drinking water supply system up to fluid category 3
  • Meets KTW recommendations for drinking water
  • Field-tested reliable pressure reducing valve
  • Pressure reducing valve with inlet pressure balancing - inlet pressure fluctuation does not influence the outlet pressure
  • Outlet pressure adjustable and directly visible on the pressure gauge
  • Corrosion resistant by use of dezincification-resistant brass
  • Low pressure loss and high flow rate
  • Compact construction
  • Variable connection options to the heating system
  • Low maintenance effort
Maximum inlet pressure 10 bar
Minimum inlet pressure 1.5 bar
Liquid category (EN1717) class 3

Products

Product Type
Standard version