Refilling combination, NK300
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| The refilling combination serves filling and refilling of closed heating systems to DIN EN 12828:2003. It can be connected in accordance to EN 1717 constantly with the drinking water supply. The refilling combination combines backflow preventer, pressure reducing valve and two ball valves in one appliance. All devices for refilling a heating installation according to conforming standards are contained. |
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| Materials |
Dezincification resistant brass housing, discharge connection, valve cartridge, valve insert and spring
hood in high-grade synthetic material, fibre-reinforced NBR diaphragm, NBR and EPDM seals, spring steel adjustment spring, stainless steel fine filter sieve. |
| Media |
water |
| Max. media temperature |
65 oC |
| Static pressure |
PN10 |
| Pressure setpoint range |
1.5 ... 4 bar |
| Port connection type |
external threads |
| Type |
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NK300-1/2A  |
| Description | Additional Product Type |
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| Test kit. Electronic pressure measuring device with digital indicator, runs by a battery. With case and accessories, ideal for inspection and maintenance of backflow preventer type BA. | TK295 |
| Test kit. Analogue pressure measuring device with differential pressure display. With case and accessories, ideal for inspection and maintenance of backflow preventer type BA. | TKA295 |
| Double ring spanner for removal of spring hood and filter bowl. | ZR06K |
| Maintenance set for refilling combination NK300 for use with TK295 resp. TKA295. | WS300NK |
| Description | Additional Product Type |
|---|
| Replacement valve set | D06FA-1/2 |
| Blanking Plug set with 0-ring (5 pieces) | S06K-1/4 |
| Pressure gauge, range 0-4 bar | M07M-A4 |
