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NK300S-1/2A Standard version with 1/2 in threaded connections

NK300S-1/2A

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NK300S-1/2A Standard version with 1/2 in threaded connections

NK300S-1/2A

Filling combination valve that contains an integrated pressure reducing valve, strainer, double check backflow preventer with air vent.

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NK300S-1/2A Standard version with 1/2 in threaded connections

NK300S-1/2A

Product Overview

The refilling combination serves filling and refilling of closed heating systems according to DIN EN 12828:2014-07. It can be connected in accordance with EN 1717:2000 permanently with the drinking water supply. The refilling combination combines a BA 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.

  • Permanent connection with the drinking water supply in accordance with EN 1717 by hose line or piping is possible
  • Optimal protection of the drinking water supply system
  • 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
  • Low maintenance effort - cartridge insert and valve insert are completely replaceable
  • Meets KTW/ W270 regulations for drinking water

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NK300S-1/2A Standard version with 1/2 in threaded connections
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