CNG Daughter station
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Information  at a Glance Contents on the CD ROM
  • Mother-daughter refuelling system is the ideal concept for transporting and distributing natural gas in regions without an existing natural gas pipeline system
  • Mother stations are used to dispense large volumes of gas into mobile storage trailers which transport the gas to sites that do not have access to a natural gas pipeline.
  • Mother stations are used to fill large volumes of CNG into mobile storage trailers. A mother station will always be located near a natural gas pipeline. Mobile storage allows transportation of natural gas to a site that does not have access to a natural gas pipeline. Typical applications where mother stations are used are to supply gas to: daughter CNG stations, industries and city gas distribution systems.
  • Mother-daughter refuelling systems can be designed with tree or more mobile storage systems depending on requirements, thus safeguarding 100% availability of natural gas at the offline or daughter station.
  • Daughter stations are used where a CNG fuelling station is needed and there is no natural gas pipeline.
    Pressure Reduction Systems are used to adjust the pressure for offloading to Daughter stations or other gas distribution systems.
  • Daughter Stations are installed where a CNG fill station is desired but there is no natural gas pipeline. Natural gas is brought to the CNG station by mobile storage. A daughter station compressor quickly and efficiently moves the natural gas from the mobile storage to a ground storage. The daughter station compressor can also be used to directly fill vehicles.
  • Station equipment is sourced and configured for specific fuelling situations
  • Standard stations for NGV fueling with CNG will generally include an inlet dryer to remove moisture, compressor sheds consisting of a motor, compressor and cooling unit, a priority panel that manages the gas flow into storage vessels and controls panels.
  • Building a CNG station for a retail application or a fleet requires calculating the right combination of pressure and storage needed for the types of vehicles being fueled. Making the right choices about the size of compressor and the amount of storage at the station will impact the cost of fuel and range for vehicles.
  • There are two types of CNG infrastructure: time-fill and fast-fill. The main structural differences between the two systems are the amount of storage capacity available and the size of the compressor. These factors determine the amount of fuel dispensed and time it takes for CNG to be delivered.
  • There are many safety guidelines that need to be considered when developing infrastructure, including the National Fire Prevention Association's NFPA 52 Vehicular Gaseous Fuel Systems Code, which applies to the design and installation requirements of CNG refueling facilities.
  • Costs of installing natural gas infrastructure varies based on size, capacity, and the type of natural gas (LNG, CNG, or both) it dispenses. It also varies in the way the natural gas is dispensed (fast-fill, time-fill)
  • Mother-daughter refuelling system is the ideal concept for transporting and distributing natural gas in India as the regions in the country are without natural gas pipeline systems
  • Approximately INR 10 Millions are required to get CNG franchisee. In addition to this basic cost, extra cost to hire manpower, staff, training, equipment and other indirect expenses  are to be considered. Not only this, there is need to pay for application form and license fee. License fees is also different for each outlet.
  • Liquefied-to-Compressed Natural Gas Opportunities & Strategies
  • Gas beyond the pipelines

Product Information

  • Daughter Station Configuration

Project Information

  • Feasibility study on expanding fuelling station with biogas supply
  • Proposed Project Details
  • Green Field Mother CNG Station
  • High pressure CNG compressors and
    refuelling solutions
  • Implementation of City Gas
    projects - India
  • Proposal to set up CNG stations in U.P

Technology  & Consultants

  • Company offer - The expertise to develop a complete refuelling station
  • Design of CNG Dispenser
  • Consultancy - Clean Fuel
  • Signage works in CNG Station

Rules & Regulations 

  • Regulations for CNG Stations
  • Guidelines for Granting marketing
    rights for CNG as transportation
    fuel, including setting up CNG Stations
  • The Gas Cylinders Rules, 2015
  • Objectives, Definitions, Enforcement, Exemption etc., in the Gas Cylinder Rules, 2004.
  • Standard to provide requirements for safety, design, construction, testing,
    commissioning, general maintenance and operation of compressed natural gas (CNG) fuelling stations

Company Products

  • List of companies offering CNG Stations

Environment & Safety

  • Safety Issues

 Market  Scenario

  • First CNG daughter station
    opens in Dubai - 2016
  • Feasibility in Indonesia
  • The Biogas Thailand 2015 Forum
  • Scenario in the US
  • Opportunities to Use Natural Gas and Propane as a
    Transportation Fuel - case study
  • Business potentials for Compressed Natural Gas in
    Fleet Applications
  • Training courses for skilled manpower

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Primary Information Services
 21 Murugappan St, SwamyNagar Ext2, 
Ullagaram, Chennai - 600091, India.
 Phone: 91 44 22421080 
Email :
Mobile numbers:9940043898, 9444008898  Fax : 91 44 22423753