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Distributors For:
Branch Directory:
149 Glasgow Road Wellheads Road Wishaw Farburn Industrial Estate Lanarkshire Dyce, Aberdeen ML2 7QJ AB21 7HG Tel 01698 355711 Tel 01224 723434 Fax 01698 359299 Fax 01224 723545 Fleming Close Woodland House Segensworth East Unit 2, Hall Dene Way Fareham Seaham Grange Ind Est Hampshire Seaham PO15 5SB SR7 0PU Tel 01489 588398 Tel 0191 521 4111 Fax 01489 588381 Fax 0191 521 1616
MIDIGAS Nitrogen Gas GeneratorsThe cost-effective, reliable and safe solution for small
to medium nitrogen requirements.
MIDIGAS nitrogen gas generators from Parker domnickhunter produce nitrogen gas from compressed air andoffer a cost-effective, reliable and safe alternative totraditional nitrogen gas supplies such as cylinder orliquid.
Nitrogen is used as a clean, dry, inert gas primarily forremoving oxygen from products and/or processes.
MIDIGAS provides an on-demand, continuous source of nitrogen gas which can be used in a wide range ofindustries such as food, beverage, pharmaceutical,laboratory, chemical, heat treatment, electronics,transportation, oil and gas and laser cutting.
Typical capital pay-backis achievable within 12-24 months
• Energy savings
Low air consumption provides greater energy efficiency
• Convenient and safe
The easy to use system is simple to install, requires minimal maintenance andeliminates safety hazards associated withtraditional gas supplies
• Space saving design
The compact design means the systemdemands less floor space
• Flexible modular option
The modular concept means thegenerators can be multi-banked if required
• Reduced carbon footprint
The elimination of cylinder deliveries andtransportation means carbon footprint canbe reduced
* Typical cost savings achieved in comparison to cylinder or liquid supply
A typical MIDIGAS system comprises of the following configuration:
Pre-treatment solutions
Using high quality compressed air to supply MIDIGASnitrogen generators will ensure long and trouble free serviceand optimum performance. To guarantee this, Parkerdomnick hunter offers a unique suite of pre-treatmentsolutions including PNEUDRI desiccant air dryers and OIL-X EVOLUTION coalescing filters which provide delivered airquality in accordance with the quality classification 3.2.2from ISO 8573-1:2001, the international standard forcompressed air quality.
Cost-effective, energy saving solution
In addition to a short pay-back period, the cost-effectivesolution removes costs associated with traditional gassupplies including refills, order processing, tank rental anddelivery charges and eliminates future gas company priceincreases.
Whilst operating from a standard compressed air supply, theeconomy mode and on-demand function respectively offerscontrol over nitrogen production, flow rates and puritylevels and therefore limits costly wasted gas or liquid boil offto facilitate excellent energy savings.
The 24/7 operation also removes the risk of gas running outand thus the loss of production time.
Convenient and safe alternative
The system can be installed simply within a compressorhouse or production area with standard piping, eliminatingthe need for any special requirements.
In addition, low maintenance requirements ensure minimalproduction downtime.
Nitrogen is produced at low pressure, eliminating safetyhazards usually associated with high pressure cylinder gas.Potential manual handling concerns are also removed.
Guaranteed air quality
Dewpoint: -40°C PDP
Particulate: <0.1 micron
Oil: <0.01 mg/m3
Typical MIDIGAS system
The Parker domnick hunter Design Philosophy
Parker domnick hunter has been supplying industry withhigh efficiency filtration and purification products since 1963.Our philosophy “Designed for Air Quality & EnergyEfficiency” ensures products that not only provide the userwith clean, high quality compressed air, but also with lowlifetime costs and reduced CO2 emissions.
MIDIGAS operates via the pressureswing adsorption (PSA) principle toproduce a continuous stream ofnitrogen gas from compressed air. Pairsof extruded aluminium columns arefilled with carbon molecular sieve(CMS). Pre-treated compressed airenters the bottom of the ‘online’ columnand flows up through the CMS.
Oxygen and other trace gases arepreferentially adsorbed by the CMS,allowing nitrogen to pass through. Aftera pre-set time the on-line columnautomatically switches to regenerativemode, venting contaminants from theCMS. Carbon molecular sieve differsfrom ordinary activated carbons as ithas a much narrower range of pore
openings. This allows small moleculessuch as oxygen to penetrate the poresand separate from nitrogen moleculeswhich are too large to enter the CMS.The larger nitrogen molecules by-passthe CMS and emerge as the product gas.
How it works
Flexible modular option
The modular concept offers greater flexibility totraditional twin tower PSA generators, as the MIDIGASgenerators can be configured to suit installations as andwhen the nitrogen demand increases.
Additional modules can provide extra capacity onstandby or service backup for peace of mind.
The compact design also means the units can fit throughstandard doorways.
Carbon Molecular Sieve
MIDIGAS Nitrogen Generator Schematic
Units can be multi-banked. MIDIGAS2 models
Regulator
FlowController
PurgeLine
PressureSwitch
InletValves
Exhaust Valves
Non-Return Valves
Clean Compressed Air
Oxygen Exhaust
Nitrogen Gas
FlowController
BufferTank
CMS
Air In = N2 + O2
Gas Out = N2
CMSPore size 3.0 Angstrom
O2 molecule 2.9A
N2 molecule 3.1A
O2
O2
O2
O2
O2
O2
O2
O2
N2
O2N2
N2
O2
O2
N2
N2
O2
O2
CMS Structure
Oxygen Content
Model Unit 10ppm 100ppm 250ppm 500ppm 0.1% 0.5% 1.0% 2.0% 3.0% 4.0% 5.0%
Using the same PSA technology, the MAXIGAS range is acompact option suitable for applications requiring mediumto large flow rates and is available in 7 models.
MAXIGAS
Performance data is based on 7 bar g (100 psi g) air inlet pressure and 20° - 25°C (66° - 77°F) ambient temperature. Consult Parker domnick hunter forperformance under other specific conditions.
MAXIGAS120 model
ENGINEERING YOUR SUCCESS.
For information on extended warranty and preventative maintenance contract availability, please contact your localParker domnick hunter sales office or log on to www.domnickhunter.com
MAXIGAS Nitrogen Gas GeneratorsThe cost-effective, reliable and safe solution for medium
to large nitrogen requirements.
MAXIGAS nitrogen gas generators from Parker domnickhunter produce nitrogen gas from compressed air andoffer a cost-effective, reliable and safe alternative totraditional nitrogen gas supplies such as cylinder orliquid.
Nitrogen is used as a clean, dry, inert gas primarily forremoving oxygen from products and/or processes.
MAXIGAS provides an on-demand, continuous source of nitrogen gas which can be used in a wide range ofindustries such as food, beverage, pharmaceutical,laboratory, chemical, heat treatment, electronics,transportation, oil and gas and laser cutting.
Typical capital pay-backis achievable within 12-24 months
• Energy savings
Low air consumption provides greater energy efficiency
• Convenient and safe
The easy to use system is simple to install, requires minimal maintenance andeliminates safety hazards associated withtraditional gas supplies
• Space saving design
The compact design means the systemdemands less floor space
• Flexible multi-bank option
The modular concept means thegenerators can be multi-banked if required
• Reduced carbon footprint
The elimination of cylinder deliveries andtransportation means carbon footprint canbe reduced
* Typical cost savings achieved in comparison to cylinder or liquid supply
A typical MAXIGAS system comprises of the following configuration:
Cost-effective, energy saving solution
In addition to a short pay-back period, the cost-effectivesolution removes costs associated with traditional gassupplies including refills, order processing, tank rental anddelivery charges and eliminates future gas company priceincreases.
Whilst operating from a standard compressed air supply, theeconomy mode and on-demand function respectively offerscontrol over nitrogen production, flow rates and puritylevels and therefore limits costly wasted gas or liquid boil offto facilitate excellent energy savings.
The 24/7 operation also removes the risk of gas running outand thus the loss of production time.
Convenient and safe alternative
The system can be installed simply within a compressorhouse or production area with standard piping, eliminatingthe need for any special requirements.
In addition, low maintenance requirements ensure minimalproduction downtime.
Nitrogen is produced at low pressure, eliminating safetyhazards usually associated with high pressure cylinder gas.Potential manual handling concerns are also removed.
Guaranteed air quality
Typical MAXIGAS system
Pre-treatment solutions
Using high quality compressed air to supply MAXIGASnitrogen generators will ensure long and trouble free serviceand optimum performance. To guarantee this, Parkerdomnick hunter offers a unique suite of pre-treatmentsolutions including PNEUDRI desiccant air dryers and OIL-X EVOLUTION coalescing filters which provide delivered airquality in accordance with the quality classification 3.2.2from ISO 8573-1:2001, the international standard forcompressed air quality.
Guaranteed air quality
Dewpoint: -40°C PDP
Particulate: <0.1 micron
Oil: <0.01 mg/m3
The Parker domnick hunter Design Philosophy
Parker domnick hunter has been supplying industry withhigh efficiency filtration and purification products since 1963.Our philosophy “Designed for Air Quality & EnergyEfficiency” ensures products that not only provide the userwith clean, high quality compressed air, but also with lowlifetime costs and reduced CO2 emissions.
MAXIGAS operates via the pressureswing adsorption (PSA) principle toproduce a continuous stream ofnitrogen gas from compressed air. Pairsof extruded aluminium columns arefilled with carbon molecular sieve(CMS). Pre-treated compressed airenters the bottom of the ‘online’ columnand flows up through the CMS.
Oxygen and other trace gases arepreferentially adsorbed by the CMS,allowing nitrogen to pass through. Aftera pre-set time the on-line columnautomatically switches to regenerativemode, venting contaminants from theCMS. Carbon molecular sieve differsfrom ordinary activated carbons as ithas a much narrower range of pore
openings. This allows small moleculessuch as oxygen to penetrate the poresand separate from nitrogen moleculeswhich are too large to enter the CMS.The larger nitrogen molecules by-passthe CMS and emerge as the product gas.
How it works
Flexible multi-bank option
The modular concept offers greater flexibility totraditional twin tower PSA generators as MAXIGASgenerators can be multi-banked and configured to suithigher flow rate applications, or can be added toinstallations as and when the nitrogen demand increases.
Additional modules can provide extra capacity onstandby or service backup for peace of mind.
The compact design also means the units can fit throughstandard doorways.
Carbon Molecular Sieve
MAXIGAS Nitrogen Generator Schematic
Units can be multi-banked. MAXIGAS120 models
Regulator
FlowController
PurgeLine
PressureSwitch
InletCylinders
Exhaust Cylinders
N2 To Buffer Cylinders
Clean Compressed Air
Oxygen Exhaust
Nitrogen Gas
FlowController
BufferTank
EqualisationCylinder
EqualisationCylinder
CMS
Air In = N2 + O2
Gas Out = N2
CMSPore size 3.0 Angstrom
O2 molecule 2.9A
N2 molecule 3.1A
O2
O2
O2
O2
O2
O2
O2
O2
N2
O2N2
N2
O2
O2
N2
N2
O2
O2
CMS Structure
ENGINEERING YOUR SUCCESS.
For information on extended warranty and preventative maintenance contract availability, please contact your localParker domnick hunter sales office or log on to www.domnickhunter.com
Oxygen Content
Model Unit 10ppm 100ppm 500ppm 0.1% 0.5% 1.0% 2.0% 3.0% 4.0% 5.0%
Using the same PSA technology, the MIDIGAS range is acompact option suitable for applications requiring small tomedium flow rates and is available in 3 models.
MIDIGAS2 model
MIDIGAS
Performance data is based on 7 bar g (100 psi g) air inlet pressure and 20° - 25°C (66° - 77°F) ambient temperature. Consult Parker domnick hunter forperformance under other specific conditions.