STREAM Nitrogen Generator

Membrane technology without compressor

Reference

STREAM.[Flow rate]

The Membrane Nitrogen generator has been developed to meet specific requirements in terms of flow, purity and pressure for LC-MS applications. It can also be used for the evaporation of solvents in samples being analysed.
The simple high efficiency membrane technology allows the separation of nitrogen from the other components of the compressed air inlet.

Advantages product

IMPROVE LABORATORY EFFICIENCY

The relatively high gas volumes required by LCMS instruments
make cylinder supply inappropriate for such applications. A
constant, uninterrupted gas supply eliminates interruptions
of analyses to change cylinders.

IMPROVE ANALYTICAL INSTRUMENTS PERFORMANCE

Production of a constant flow of gas improves the
consistency of the analysis results and hence reproducibility.

IMPROVE ECONOMY

– Quick return on investment < 1 year
– No gas cylinder rental bottles, no price inflation

IMPROVE SAFETY

Nitrogen produced at low pressure and ambient temperature
removes the hazards associated with high pressure cylinders
and liquid Dewar’s

SIMPLE INSTALLATION

Gas generators can be installed in the laboratory, on or
under a bench, eliminating the need for long gas lines from
cylinders secured elsewhere. No power supply is require.

Characteristics

  • Flow rate available: 40 to 260 L/min
  • Low pressure loss: max 1 bar (14 psi)
  • Wall mounted installation: save space in the lab
  • No noise: no mechanical parts moving
  • No need of electricity supply
  • Low maintenance: only to replace the filters once per year
  • Gas saving mode: the unit stops automatically when nitrogen is not required
  • Specifications

    Models
    STREAM.40
    STREAM.80
    STREAM.120
    GENERALS INFORMATIONS
    Max Flow rate
    40 to 140 L/min
    80 to 220 L/min
    120 to 260 L/min
    Purity
    Up to 99%
    Max pressure outlet
    7 bar (101 psi)
    Pressure loss
    < 0.8 bar (12 psi)
    Air inlet pressure Min./Max.
    5 – 13 bar (72 – 188 psi) (see correction factor)
    N2 dewpoint at operating pressure
    -40°C (-40°F)
    Particles
    < 0.01 ppm
    Air flow rate required @ 8 bar (116 psi)
    140 L/min
    280 L/min
    420 L/min
    Air loss for regeneration
    15 L/min
    28 L/min
    56 L/min
    Temperature range
    10 – 35°C (50 – 95°F)
    Dimensions
    (W x H x D)
    38 x 120 x 22.5 cm (15″ x 47″ x 9″)
    Weight (kg/lbs)
    22 / 48.5
    26 / 57
    30 / 66
    CONNECTIONS
    Inlet/outlet
    1/4 G
    FACTOR OF CORRECTION
    Pressure (bar)
    5
    6
    7
    8
    9
    10
    11
    12
    13
    Pressure (psi)
    72
    87
    101
    116
    130
    145
    159
    174
    188
    Factor of correction
    0.8
    0.9
    1.0
    1.0
    1.1
    1.2
    1.3
    1.35
    1.45

    Multiply the nominal flow of the generator by the factor of correction which corresponds to the inlet pressure of the generator.

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