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Centrifugal Expanders

Offering you a complete choice of products which include c-series high pressure trunk piston compressors, dm-series oil-less high pressure piston compressors, oil-free piston compressors hn-series, gg-series oil-lubricated gas screw compressor, vip-series high pressure cng compressors bbr and ec-series expander compressors.

C-Series High Pressure Trunk Piston Compressors

C-Series High Pressure Trunk Piston Compressors
  • C-Series High Pressure Trunk Piston Compressors
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Approx. Price: Rs 50,000 / PieceGet Latest Price

Product Details:

Horse Power3 HP - 110 HP
Maximum Flow Rate2 - 1000 cfm
Discharge Pressure7 Bar - 13 Bar
Compressor BrandAtlas Copco
Voltage460 V/480 V
Speed590 rpm - 1230 rpm
No of Stage1 to 5
Inlet pressures1 to 19 bar

High pressure and high safety:
  • Shielded by a pressure-tight sealed crankcase, our C-Series avoids emission of gases to the atmosphere, even low-molecular-weight gases

Full customization options:
  • Choose the configuration that best suits your process.
  • CU compressors, and up to 400 bar for CT compressors

Ideal for CNG refueling:
  • CNG refueling station owners trust the C-Series for their safety and reliability.
  • We support your CNG applications with specialized compressor packages and a full line of accessories in compliance with either European or American standards: Class 1, Group D, Div. 2, NEC, UL

Plug & play for quick installation:
  • Get straight to work.
  • For quick and easy installation, the compressors are installed on a concrete deck and are shipped as complete all-in-one packages that are simple to install without requiring a foundation

Low maintenance, low cost:
  • Cut your maintenance bill.
  • We support the C-Series with an advanced maintenance concept that ensures short downtimes and long service intervals.
  • For reliable performance and maximum uptime, our trunk-piston technology offers field-proven ruggedness and the lowest lifecycle costs on the market

Oil-lubricated reciprocating compressors:
  • At work in the most demanding compressed air and gases applications, our C-Series is a complete line of oil-lubricated reciprocating compressors delivering high pressures up to 480 bar (a).

Built for quick installation and minimal maintenance, our C-Series trunk-piston compressors help you get the job done in high-pressure applications, including:
  • NGV refueling stations
  • H2 refueling systems
  • Bottle filling
  • Air-blast circuit breakers

Putting decades of industrial gases experience to work for you, we designed the C-Series to handle all typical industrial gases, including:
  • Air
  • Nitrogen
  • Helium
  • Hydrogen
  • Natural gas
  • Carbon monoxide
  • Carbon dioxide
  • Rare gases and gas mixtures

Safe and complete:
  • To ensure operator safety and contamination-free handling of industrial gases, C-Series compressors feature pressure-tight crankcases, so gases remain within the compressor and are not contaminated by atmospheric air.
  • We support natural gas vehicle (NGV) refueling stations with complete compressor packages.
  • To achieve the specific inlet pressure for your process, you may also choose from our range of standardized or tailor-made designs.
  • To ensure a robust and durable operation, the C-Series uses a reduced number of valves with lower valve temperatures, a crankshaft-driven oil pump and cooling fan, as well as a trunk-piston single-acting compressor design.

Decades of experience with refueling stations:
  • For several decades Atlas Copco has built up a strong worldwide reputation in high performance compression systems for refueling stations.
  • Our range of compressors and ancillaries provides you with exceptional reliability, safety and energy savings for the high demands of your CNG refueling stations.

Meeting international standards:
  • We comply with the international standards ISO 9001, ISO 14001 and OHAS 18001.
  • Our production methods employ lean engineering and agile manufacturing, with the goal of supporting you worldwide with the best quality products.
  • This includes ‘0 defect’ certificates for high-pressure safety joints featured in the C-Series.

 Price Range: 50000 - 500000
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DM-Series Oil-less High Pressure Piston Compressors

DM-Series Oil-less High Pressure Piston Compressors
  • DM-Series Oil-less High Pressure Piston Compressors
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Product Details:

High pressuresUp to 350 bar
Inlet pressures1 to 40 bar
Stage2 to 5
Extremely small footprint0.7 m2 x 0.7 m2 (7.5 sq.ft.)
Motor power30 kW (37 kW)
Flow rateUp to 200 Nm3/h

The DM-Series oil-free piston compressor range delivers high pressures up to 350 bar (a) with outstanding safety and efficiency – important reasons why compressors have become a mainstay in demanding compressed natural gas and hydrogen applications across the world.

Maximum safety:
  • Our DM-Series compressors are equipped with oil-free cylinders, incorporating innovative Scotch yoke technology in a space-efficient vertical design.
  • DM-Series compressors are absolutely gas-tight, thanks in part to a magnetic-coupling for the motor unit and hermetically sealed pressurized crankcase.
  • This design offers you two-way protection: It prevents gas from leaking into the atmosphere and ingress of atmospheric air, providing maximum safety.

Optimal productivity:
  • Further boosting your productivity, the single-acting compressors run on low per-stage pressure ratio with combined concentric inlet/outlet valves and single-acting pistons with small cylinder clearance.
  • Completing the package, the DM-Series is shipped in a frame-mounted design for quick installation, while total independence from water consumption for cooling further minimizes your cost of ownership.
  • DM-Series compressors are CE-certified machines.

Easy maintenance:
  • The DM-Series is engineered and tested for a long service life and uncomplicated maintenance.
  • Thanks to magnetic coupling design, the compressor block can be easily dismounted and replaced on site in less than a half a day.
  • The dismounted compressor block will then be refurbished in the factory to guarantee the shortest downtime and maximum availability.

Completely gas-tight, the piston compressors are perfectly adapted to applications such as:
  • NGV refueling stations
  • Natural gas grid boosting
  • Hydrogen compression for various end uses and processes

Designed for efficiency:
  • In applications such as NGV refueling, energy costs make up a considerable amount of your total operating costs.
  • To meet this challenge, we developed the DM-Series with a number of energy-saving features including perfectly balanced Scotch yoke drive.

Customizable compressor solutions:
  • Fully customizable to your exact specifications, we can build DM-Series compressors for inlet pressures of 1 to 40 bar and in 2 to 5 stage configurations.

Oil-less for safety:
  • DM-Series compressors are validated for gas applications, and they also fully comply with ATEX and PED regulations.
  • The piston compressors require no oil lubrication, thereby eliminating the risk of gas contamination with oil

Easy installation for instant productivity:
  • Get to work right away. Our DM-Series compressors don’t require complex piping arrangements or special foundations, and they ship as complete all-in packages.

Compact, space-efficient:
  • In areas where space is limited, every square meter counts.
  • Take for example NGV fueling stations in crowded metropolitan areas.
  • That’s why the unique vertical design of DM-Series compressors allows for an extremely small footprint of only 0.7 m2 x 0.7 m2 (7.5 sq.ft.)
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Oil-free Piston Compressors HN-Series

Oil-free Piston Compressors HN-Series
  • Oil-free Piston Compressors HN-Series
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Product Brochure

Product Details:

Max power55 kW
Max rod loading2500 daN
Strokes120/130 mm
Connecting rods1
Max speed400/750 rpm
Max cylinder bore310 mm

Oil-free compression with PTFE piston rings and long distance pieces safeguards gas quality. That’s an important asset, since even the slightest contamination of oil is unacceptable and could lead to high risks in many applications. HX/HN compressors work under strenuous conditions in outdoor, indoor, refineries, deserts (high inlet temperatures) and sandy environments.

FrameMax. powerMax. rod loadingStrokesConnecting rodsMin./Max. speedMax. cylinder bore
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GG-Series Oil-lubricated Gas Screw Compressor

GG-Series Oil-lubricated Gas Screw Compressor
  • GG-Series Oil-lubricated Gas Screw Compressor
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Product Details:

Flow rate at minimum speed75 Nm3/h
Gas handledBiomethane, methane
Working pressureUp to 16 bar (a
Flow rate at maximum speedUp to 900 Nm3/h
Installed motor power90 / 132 kW
WeightApproximately 1800 / 2500 kg
Dimensions2530 x 1100 x 1450 / 1617 mm (L x W x H)

Built for high efficiency:
  • The Variable Speed Drive (VSD), coupled with inlet pressure control, maximizes flow and minimize required horsepower.
  • By working less to do more, VSD consumes less power, while giving greater process control and requiring less maintenance

Low cost of ownership:
  • Implementing gas screw technology and VSD drive, the GG-Series offers you tremendous savings in terms of energy and maintenance.
  • Well-designed circuits, full accessibility and the capability for predictive maintenance also contribute to a low cost of ownership for your machinery

Gas-tight and secure:
  • Equipment for gas compression must meet more stringent safety requirements than conventional air compressors and the GG-Series more than measures up: 100% gas-tight and in compliance with ATEX Zone 1 & 2

Methane and biomethane compressors:
  • Combining outstanding performance and safety in a compact, cost-efficient package, our GG-Series oil-lubricated gas screw compressors meet the demands of the most rugged methane and biomethane gas grid injection facilities.
  • Powered by Variable Speed Drive (VSD) technology, GG-Series compressors do not only help reduce power bills, but also significantly lower the wear-and-tear on your compressor.
  • That, in turn, reduces your maintenance cost and service intervals

Optimal control and safety:
  • An easy-to-use control system-the Elektronikon MkV control & monitoring system – lets you keep an eye on all parameters of your daily operations.
  • Add to that key features including an emergency solenoid valve shutdown stop-to isolate the compressor from the gas supply in emergencies-as well as gas detection sensors and software, and you get an ultimately safe compressor solution.
  • With a compact and robust design to meet the high safety demands in the methane/biogas industry, GG-Series compressors comply with the stringent ATEX Zone 1 & 2 design requirements and CE directives. Security functions are handled by a SIL2 PLC (according to IEC 61508), making the GG-Series one of the safest and most reliable choices in the industry.

Enhanced safety:
  • Control command placed in NON-ATEX zone, in tight IP54 cabinet.
  • Security functions handled by SIL2 PLC.
  • Emergency shutdown and gas detection included.
  • Gas handling in case of shutdown

Straightforward maintenance:
  • Easy access to all components
  • Stop button easily accessible
  • All functions reported to the control
  • cabinet located in safe area
  • Predictive maintenance
  • Low maintenance cost
  • Options for remote control
  • Competent teams available: Qualified and trained to carry out safe maintenance.
  • Service contracts availabl
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VIP-Series High Pressure CNG Compressors BBR

VIP-Series High Pressure CNG Compressors BBR
  • VIP-Series High Pressure CNG Compressors BBR
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Product Brochure

Product Details:

Frequency50 Hz
CapacityUp to 1000 Sm3/h
Inlet Pressure Range4.5 bar(e)
Nominal Speed1485rpm

Designed as a one-stop solution for Natural Gas Vehicle (NGV) refueling stations, our BBR/FBR/VIP-Series provides reliable, safe, and energy-efficient refueling solutions in hundreds of applications across the globe. A host of field-tested technologies such as direct drive, pressurized crankcases and advanced air-cooling help you to increase efficiency, reduce maintenance requirements and maintain complete control over the refueling process. Rounding out the package, we provide a full scope of matching CNG and NGV accessories for station owners and companies making full use of virtual CNG pipelines.

  • When trailer pressure reaches critical level the first stage of regulation and heating is cut out to maximize system efficiency.
  • This helps to maintain flow rate down to very low trailer pressure
  • In the event of water temperature drop the PRS automatically shuts down, preventing damage to tub
  • Completely compatible with Atlas Copco trailer decant panel, the  PRS  provides  an  option  of  trailer  pressure  monitoring and seamless transition from empty to full trailer

ModelInlet Pressure Range bar(e)Nominal Sm3/h at 1485rpm (50Hz)Nominal Sm3/h at 1650rpm (gas engine)
4 stageMinMaxMinMaxMinMax
INTERMECH BBR 107 series0.51.3468724517800
INTERMECH BBR 100 series12.85159965681097
INTERMECH BBR 90 series24.564512047131330
INTERMECH BBR 80 series2.5762014526851600
INTERMECH BBR 60 series4.51259814526601605
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EC-Series Expander Compressors

EC-Series Expander Compressors
  • EC-Series Expander Compressors
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Product Details:

Power634 kW (850 HP)
Inlet pressuresUp to 200 bar (a)
Flow141,974 kg/h

In compressor-loaded expanders, the expander is loaded by a single-stage centrifugal compressor through a common shaft. It’s a design that powers a wide range of applications. And because the turboexpander is skid-mounted with its auxiliary support system, it simplifies transport and reduces installation time and cost. Providing inlet pressures of up to 200 bar (a) and with a rated power of up to 23 MW, our EC-Series turboexpanders handle all industrial gases and hydrocarbon gas mixtures, including condensing streams. Variable inlet guide vanes (IGV) used in our EC-Series ensure optimal flow rates even when your process conditions change well beyond the original design point. The EC-Series is available in compressor-load configurations using either oil bearings or active magnetic bearings (ECM).


Superior impeller efficiency:

  • Utilizing the latest aerodynamic designs-including impellers created with computational-fluid dynamics (CFD) and finite-element analysis (FEA) – our turboexpanders provide high-efficiency refrigeration or power recovery in industrial processes

Customized to application needs:

  • Customer-specific configurations perfectly matched to your specific applications, including hydrocarbon processing, LNG liquefaction, and dew-point control.
  • When selecting impellers, we analyze all design and off-design cases to achieve a fully optimized design

Certified via international standards:

  • In addition to ISO 19001, 14001 and 18001 quality certification, all machines meet or exceed industry (API 617, API 614, API 670 and ANSI B31.3) and other international standards (IEC, NEC, ASME, BS5500)

Full process control variable inlet guide vanes (IGV):

  • Variable inlet guide vanes (IGV) ensure optimal flow rates, especially when changing on-site conditions call for immediate adjustments.
  • They handle changes in flow levels as low as 10% of design point and up to 125% above

Constructed to withstand the elements:

  • Expander compressors are designed for the most demanding conditions, including offshore marine environments, harsh desert or cold weather locations, outdoor unprotected installations and unattended sites.
  • In addition, our package designs are customized to fully meet all hazardous areas (Division 1/Zone 1, Division 2/Zone 2) and local codes (CSA, ATEX, etc.)

Versatile compressor expander solutions:

  • In nearly one thousand units worldwide, our customers are experiencing a robust expander compressor solution operating even under the most challenging conditions.

Our versatile expander compressors are at the heart of your processes, for example in hydrocarbon applications such as:

  • Recovery of liquefied petroleum gas (LPG)
  • Natural gas liquids (NGL)
  • Dew-point control (DPC)
  • Liquefied natural gas (LNG)
  • Nitrogen rejection

Chemical and petrochemical applications include:

  • Ethylene/olefin recovery
  • Ammonia purification
  • Carbon monoxide purification
  • Propane dehydrogenation
  • Hydrogen recovery
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Naresh Chhabria (CEO)
Airkom Agencies India Private Limited
111, Amit Industrial Estate, 61, Dr. SS Rao Road
Parel, Mumbai - 400092, Maharashtra, India

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