Aero-Guard

SKU: Aero-Guard

The constantly increasing levels of CO2 concentration in the air resulting from unfavourable environmental influences are making it more and more difficult for the operators of filling stations to be sure of achieving compliance with legally binding maximum limits for CO2. With AERO-GUARD you are always on the safe side!

The intake air of the compressor is routed through the AERO-GUARD via an ingenious bypass system. This enables the CO2 content to be reduced to one-third of that of the intake air, with AERO-GUARD-OX version for NITROX membrane units the initial value can even be reduced up to 20%.

The air is humidified in the base of the tank, optimising filter efficiency and significantly extending filter life.

Features:

  • Efficient cleaning of CO from breathing air – The air taken in by the compressor is routed through the AERO-GUARD via an ingenious bypass system. Only approximately two-thirds of the air flows through the filter cartridge, which absorbs the CO2contained in the air. In this way, the CO2 content is reduced to one-third of the value of the intake air, significantly below the strict limits of DIN EN 12021¹. At the same time, filter service life is maximised. Air humidification in the housing base safeguards outstanding filter efficiency under all conditions – even in the driest of climates! ¹ Assuming the maximum CO2 input concentration of the intake air is not exceeded.
  • Efficient removal of CO2from NITROX downstream of membrane systems – An ingenious bypass system passes the NITROX generated by the NITROX membrane system through the AERO-GUARD-OX. Only about four fifths of the air flow through the filter cartridge, which absorbs the CO2 contained in the NITROX. This reduces the CO2 content to around 20% of the value at the membrane outlet. NITROX mixture humidification in the housing base safeguards outstanding filter efficiency under all conditions – even with extremely dry gas mixtures!
  • Cost-effective operation – At a free air delivery rate of up to 1000 l/min and a CO2input concentration of 1000 ppm (with AERO-GUARD-OX: 450 l/min), the filter cartridge has a service life of approx. 50 hours (with AERO-GUARD-OX: 37 hours). If the free air delivery rate of the compressor is lower, the service life of the filter cartridge is extended accordingly. If the CO2 input concentration is lower/higher, the service life is extended/shortened accordingly.
  • Easy handling and maintenance-free – The filter cartridge can be replaced in the blink of an eye without the need for any tools. The water ballast in the base of the barrel, which is necessary to optimise the function of the filter medium, is replaced at the same time.
AERO-GUARD(-OX) accessories
  Hose internal diameter
ND/ND
Area of application
Input side
Intake hose 60 / 60
Intake piece with sleeve 100 / 60
Safety valve (100 mbar) For mounting on NITROX membrane
Angle For mounting the NITROX safety valve
Hose nozzle 60 For converting the NITROX membrane outlet from hose diameter 40 mm to hose diameter 60 mm
Intake hose to intake piece
Output side
Intake hose 60 / 40 Open units
IK 100-II – IK 120-II, IK 12.14-II
Intake hose 60 / 60 Open units
IK 150-II –IK 180-II, IK 15.1-II
Intake hose 60 / 40 Closed units
IK 100-II – IK 120-II, IK 12.14-II
Intake hose 60 / 60 Closed units
IK 150-II – IK 180-II, IK 15.1-II
Intake system 60 / 40 NITROX system
For retrofitting an intake pressure sensor on MARINER-OX-320-E
V12.14-OX-5.5-5
V12.14-OX-7.5-5
Intake system 60 / 60 NITROX system
For retrofitting an intake pressure sensor on V15.1-OX-11-5
Holder NITROX system
Also required when retrofitting an intake pressure sensor on open systems
Intake hoses, output side, for older compressor models
Intake hose 60 / 32 Open units
K 100 – K 120 (with intake filter 013758); manufactured before 2004,
K 15 (with intake filter 056372)
Intake hose 60 / 25 Closed units
K 100 – K 120 (design as above)
Replacement filter cartridge
Filter cartridge incl. 10 water disinfection tables for every 10 litres of water
AERO-GUARD
Designation/Size Suitable for
free air delivery rates ¹
Dimensions
(W × D × H)
Operating weight ²
l/min cm kg
BREATHING AIR
Aero-Guard-S 100 – 150 50 × 46 × 72 26
Aero-Guard-M 160 – 230
Aero-Guard-L 240 – 320
Aero-Guard-XL 330 – 450
Aero-Guard-XXL 460 – 680
Aero-Guard-Duo 1000 650 – 1000 85 × 62.5 × 87 54
NiTROX
Aero-Guard-OX-L 260 – 320 50 × 46 × 72 26
Aero-Guard-OX-XL 330 – 450

¹ Free air delivery of the connected compressor measured with cylinder filling from 0 – 200 bar ± 5%
² Includes filter cartridge and 10-litre water ballast

Technical operating data
  AERO-GUARD: AERO-GUARD-OX:
CO2 input concentration: max. 1000 ppmv CO2 max. 2000 ppmv CO2
CO2 output concentration: 1/3 of the input concentration = max. 330 ppmv CO2 at 1000 ppmv input concentration CO2 1/5 of the input concentration = max. 400 ppmv CO2 at 2000 ppmv input concentration CO2
Rel. moisture of the intake air: 10 to 100% 10 to 60%
Ambient temperature: +5 to +45°C +5 to +45°C
Temperature of the intake air: +5 to +45°C +5 to +45°C
Air flow rate: 100 – 1000 l/min 260 – 450 l/min
Service life: 50 unit operating hours
(at free air delivery rate of 680 l/min and 1000 ppmv input concentration CO2)
or 1 year if the unit does not reach this number of operating hours
37 system operating hours
(at free air delivery rate of 450 l/min and 1000 ppmv input concentration CO2)
or 1 year if the system does not reach this number of operating hours

AERO-GUARD / AERO-GUARD-OX scope of delivery
Intake pipe (compatible connecting hoses must be ordered separately; see “Options”)
Water barrel, 60 l (for AERO-GUARD DUO – 2 × water barrel, 60 l)
Filter cartridge; filling: 9 kg special carbon dioxide absorber

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