| Article No. | DN | RD (m) | H (mm) | D (mm) | weight (kg) | NPK No. 411 | NPK No. 412 | Availability | watchlist |
|---|---|---|---|---|---|---|---|---|---|
| 9920500755 | 50 | 1.00 | 755 | 200 | 23.000 | 833376 | 832218 | ex warehouse | |
| 9920501055 | 50 | 1.25 | 1055 | 200 | 27.000 | 833376 | 832218 | ex warehouse | |
| 9920501305 | 50 | 1.50 | 1305 | 200 | 28.500 | 833376 | 832218 | ex warehouse | |
| 9920501555 | 50 | 1.75 | 1555 | 200 | 33.000 | 833376 | 832218 | ex warehouse | |
| 9920800755 | 80 | 1.00 | 755 | 200 | 24.000 | 833378 | 832221 | ex warehouse | |
| 9920801055 | 80 | 1.25 | 1055 | 200 | 28.000 | 833378 | 832221 | ex warehouse | |
| 9920801305 | 80 | 1.50 | 1305 | 200 | 31.000 | 833378 | 832221 | ex warehouse | |
| 9920801555 | 80 | 1.75 | 1555 | 200 | 34.000 | 833378 | 832221 | ex warehouse |
DN
watchlist
| 9920500755 | 50 | |
| RD | 1.00 m | |
| H | 755 mm | |
| D | 200 mm | |
| weight | 23.000 kg | |
| NPK No. 411 | 833376 | |
| NPK No. 412 | 832218 | |
| Availability | ex warehouse | |
| 9920501055 | 50 | |
| RD | 1.25 m | |
| H | 1055 mm | |
| D | 200 mm | |
| weight | 27.000 kg | |
| NPK No. 411 | 833376 | |
| NPK No. 412 | 832218 | |
| Availability | ex warehouse | |
| 9920501305 | 50 | |
| RD | 1.50 m | |
| H | 1305 mm | |
| D | 200 mm | |
| weight | 28.500 kg | |
| NPK No. 411 | 833376 | |
| NPK No. 412 | 832218 | |
| Availability | ex warehouse | |
| 9920501555 | 50 | |
| RD | 1.75 m | |
| H | 1555 mm | |
| D | 200 mm | |
| weight | 33.000 kg | |
| NPK No. 411 | 833376 | |
| NPK No. 412 | 832218 | |
| Availability | ex warehouse | |
| 9920800755 | 80 | |
| RD | 1.00 m | |
| H | 755 mm | |
| D | 200 mm | |
| weight | 24.000 kg | |
| NPK No. 411 | 833378 | |
| NPK No. 412 | 832221 | |
| Availability | ex warehouse | |
| 9920801055 | 80 | |
| RD | 1.25 m | |
| H | 1055 mm | |
| D | 200 mm | |
| weight | 28.000 kg | |
| NPK No. 411 | 833378 | |
| NPK No. 412 | 832221 | |
| Availability | ex warehouse | |
| 9920801305 | 80 | |
| RD | 1.50 m | |
| H | 1305 mm | |
| D | 200 mm | |
| weight | 31.000 kg | |
| NPK No. 411 | 833378 | |
| NPK No. 412 | 832221 | |
| Availability | ex warehouse | |
| 9920801555 | 80 | |
| RD | 1.75 m | |
| H | 1555 mm | |
| D | 200 mm | |
| weight | 34.000 kg | |
| NPK No. 411 | 833378 | |
| NPK No. 412 | 832221 | |
| Availability | ex warehouse | |
Mode of operation
- This aeration fitting works as an automatic two-stage ventilator with the built-in aeration and ventilation valve 2" No. 9870.
- With the filter cartridge (No. 9929), the air is filtered for drinking water according to EN 779 standard.
Product information
- The ventilation fitting can be shortened once by 100 mm (marking).
- deeper operating range of 0.1 to 6 bar(No. 9921)
- Design "Only aeration" (No. 9930)
- The filter system must be ordered separately.
Material
- Valve (housing, seal, etc.) same as for No. 9870
- Flange EN GJS-400
- Protection pipe: INOX 1.4571
- Sealing tappet: POM
- Sealing tappet seal: EPDM
- Dichtungsträger: CuZn40Pb2 (Messing)
Performance data
- Opening cross-section large: 960 mm²
- Opening cross-section small: 2 mm²
- Ventilation capacity:Small cross-section: 7.8 m³/hLarge cross-section: 190 m³/h
- Aeration capacity:Large cross-section: 550 m³/h
Medium
- Drinking water
Medium temperature
- max. 30 °C
Test pressure
- Housing: 24 bar
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