Self-actuating aeration/ventilation fitting, PN 16Self-actuating aeration/ventilation fitting, PN 16

9920 Self-actuating aeration/ventilation fitting, PN 16

Article No. DNRD
(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
RD1.00 m
H755 mm
D200 mm
weight23.000 kg
NPK No.
411
833376
NPK No.
412
832218
Availabilityex warehouse
9920501055 50
RD1.25 m
H1055 mm
D200 mm
weight27.000 kg
NPK No.
411
833376
NPK No.
412
832218
Availabilityex warehouse
9920501305 50
RD1.50 m
H1305 mm
D200 mm
weight28.500 kg
NPK No.
411
833376
NPK No.
412
832218
Availabilityex warehouse
9920501555 50
RD1.75 m
H1555 mm
D200 mm
weight33.000 kg
NPK No.
411
833376
NPK No.
412
832218
Availabilityex warehouse
9920800755 80
RD1.00 m
H755 mm
D200 mm
weight24.000 kg
NPK No.
411
833378
NPK No.
412
832221
Availabilityex warehouse
9920801055 80
RD1.25 m
H1055 mm
D200 mm
weight28.000 kg
NPK No.
411
833378
NPK No.
412
832221
Availabilityex warehouse
9920801305 80
RD1.50 m
H1305 mm
D200 mm
weight31.000 kg
NPK No.
411
833378
NPK No.
412
832221
Availabilityex warehouse
9920801555 80
RD1.75 m
H1555 mm
D200 mm
weight34.000 kg
NPK No.
411
833378
NPK No.
412
832221
Availabilityex 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

  • Die Entlüftungsgarnitur kann einmalig um 100 mm gekürzt werden (Markierung)
  • deeper operating range of 0.1 to 6 bar(No. 9921)
  • Design "Only aeration" (No. 9930)
  • Filterpatrone muss separat bestellt werden

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
  • Gland carrier CuZn40Pb2 (brass)

Performance data

  • Opening cross-section large: 960 mm²
  • Opening cross-section small: 2 mm²
  • Ventilation capacity: Small cross-section: 7.8 m³/h - Large 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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