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CNG Refuelling station
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M.T.M. S.r.l. BRC Gas Equipment

• A company located in Cherasco (Italy), is among
  the world leaders in the field of designing and
  manufacturing of components and equipment for CNG
  and LPG automotive engine conversion.
• After a first growth phase mainly connected to
  the manufacturing of LPG multivalves, M.T.M.
  BRC Gas Equipment has started in the 80s the
  production of a complete range of LPG and CNG
  components in 1991 was made the first system for
  carburetion close loop control and, in 1996 the
  very first Italian LPG/CNG MPI injection system.
  The staff increased progressively up to the
  present 500 employees working in 4 different
  factories, under a 40.000 m2 covered area.
• In the 2005, M.T.M. BRC Gas Equipment has
  finalized a two years merging process with the
  American Impco, world leader for the industrial
  applications of the gaseous fuels, thus creating
  the world biggest manufacturing concentration in
  the field of the alternative fuels.

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• The standard layout consists of a three stages
  reciprocating W compressor and an hydraulic high
  pressure unit of compression (BOOSTER)

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• The compression system is inside a 20 container
  that is divided in to 3 separate rooms
• 1 room in which there arent pipes containing
  gas, and that contains the electrical panel (with
  plc), hydraulic power station (for box handling),
  and pneumatic panel with air compressor.

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• 2 room containing compressor, booster,
  lubrication and cooling equipment
• 3 room containing storage tanks

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• The compression station consists of the
  following main parts
• Connection to the feeding net with filter and
  safety valves (outside the compressor room)
• Three stages reciprocating compressor with
  crankshaft, connecting rods, single effect
• Medium pressure vessels for damping and storage
• Booster compressor (driven by hydraulic cylinder)
• High pressure vessels for damping and storage
• Control panel to reduce the pressure from the
  high pressure storage to the dispenser
• Safety valves with pneumatic actuator and
  filter/condensate drainage system between storage
  cylinders and dispenser
• Dispenser
• Cooling system.

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• System management
• All control parameters can be set through PLC.
  Using the pressure transducers and a specific
  software, it is possible to guarantee an
  efficient scheduled maintenance. Its also
  available an optional modem for the remote
  control of the station.

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• BRC Compressors are specifically developed for
  CNG applications to obtain the maximum safety,
  efficiency, reliability and easy maintenance. The
  BRC compression systems completely designed and
  industrialized within our Technical departments,
  by the use of the most advanced instruments for
  safe dimensioning and design.

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• The shape of BRC compressor allows a good
  inertial balancing, keeping small external
  dimensions, an easy disassembling of the
  components and an excellent reliability of the
  whole system.

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• Innovative technical solutions
• A particular care has been used for the
  filtering of vapor and other impurities which can
  be present in the pipeline network gas. Further
  the oil leakage in the compressed gas has been
  reduced to a minimum, using specific oil wiping
  rings and multiple dry sealing systems. To
  enable the compressor work without lubrication,
  sealing and driving elements made by P.T.F.E.
  have been used, reinforced by other synthetic
  materials according to the most updated
  technology.

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• Cooling and lubrication systems
• The compressors are completely cooled by a
  specific forced fluid flowing inside a closed
  circuit while the compressed gas is cooled at
  each stage outlet to enhance the efficiency of
  the machine and increase the durability of the
  sealing elements.
• The pressurized lubrication system is
  automatically managed by a PLC and it is
  independently driven by a separated electrical
  engine so that a proper lubrication is ensured in
  any working conditions.

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• Lower vibration and noise levels
• The preferred choice to connect the electrical
  engine and the compressor module through a
  flexible joint is guaranteeing better efficiency,
  lower noise level, lower maintenance requirements
  and smaller dimensions.

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• W is a reciprocating compressor with
  crankshaft-connecting rod-crosshead-piston
  rod-piston kinematic motion it consists of three
  single effect cylinders, one for each compression
  stage. Gas suction and discharge are obtained by
  a concentric valve with rings and plastic seals.

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• The above characteristics are just an
  indication.
• The capacity and power characteristics could
  change according CNG composition, ambient
  conditions and PI configuration.
• The BRC compression stations can be personalized
  to make them suitable for the different
  customers needs. The basic three stages, single
  effect configuration can be modified according to
  the requested flows and inlet and outlet
  pressures.

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• BOOSTER is a reciprocating compressor driven by
  a hydraulic double effect, cylinder. Its, in
  fact, a fourth compression stage that allows to
  fill the high pressure storage tanks.

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