Low pressure non return valve for medical gases - M855 ALPI-NRV LP
The ALPI-NRV-LP is a low pressure non-return valve for medical gas distribution systems. It is used to prevent back feeding from one source to another and avoids reverse flow which could disturb the pressure level monitoring. This device is also used for an automatic activation of the emergency source.
Key advantages
  • Isolates a low pressure line in case of emergency and/or maintenance operations
  • 1 inlet / 1 outlet
  • Equipped with auxillary inlet port to connect a portable gas supply during emergencies and/or maintenance
  • Medical CE certified according to MDD 93/42/EEC
  • Complies with EN ISO 7396-1
End connection (inlet/outlet)G3/4" Female
CartrigePA 6.6
SpringCuSn 6
Leak rate< 1.7 X 10-3 mbar.l/s He
DimensionsØ35 x 68 mm
Max. working pressure25 bar / 362.5 psig
Opening pressure< 0,1 bar / 1.45 psig
Orifice size13.4 mm
Temperature range-20 to +65 °c
Weight0.350 kg
Product Configurator
End connections
G3/4” - Female
Tube Fitting 12mm
Tube Fitting 16mm
Downloadable catalogs, brochures
  • Download
    Gas Supply System Catalog
    Last update: Oct 14, 2022
    Available in: en/fr
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