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Reliability is our strength

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From auxiliary air to main air – oil-free compressors for rail traffic vehicles

Dürr Technik is a specialist in oil-free and maintenance-free piston compressors with a high life cycle. Particularly in rail traffic, it is important that the products meet the highest standards of reliability and durability. For this reason, manufacturers and operators of rail traffic vehicles as well as system suppliers have been relying on our high-quality compact custom solutions for many years.

Every train has its characteristics with individual demands. Therefore, we develop together with our customers the optimal solution and manufacture customized systems.

Dürr Technik have extended their delivery programme by the products of the French company ATS Environement through the acquisition of their assets. ATS developed, among other things, the first oil-free main air compressors for high-speed trains and have 15 years' experience in the sector of main air. This experience, combined with 25 years experience in the auxiliary air sector, makes Dürr Technik a competent contact partner for auxiliary air compressors and main air compressors.

Please select:

Auxiliary air compressors

Applications

  • Pantograph raising
  • Railroad sanding
  • Wheel flange lubrication
  • Toilet evacuation systems and toilet door control
  • Signal horn activation
  • Spring-applied brakes
  • Support of the compensating air for service vehicles
  • Tank systems for sand filling

 

Advantages

  • Oil-free means trouble-free
    There is no need for checking the oil level and changing oil. The costs for filter and disposal of waste oil can be saved. Maintenance is virtually unnecessary. Functions are not impaired by oil vapours.
  • Low LCC
    The high quality materials used, ensure minimum amount of wear and therefore is a guarantee for an extremely long lifespan of the components and a very little demand for spare parts.
  • Innovative motor concepts
    Customized especially for railway application.
  • XT-Models
    Available with up to 20.000 operating hours lifetime.
  • Low noise level and noise transmission
  • Extremely reliable
    Oversized components and keeping the tightest tolerances are major aspects of our design. These are tested and verifi ed under the harshest conditions.
  • Dürr Technik has been IRIS certified since 2009.

 

 

Examples of exclusive product solutions for customers

1. Supplying individual system solutions

For raising the pantograph, we manufacture complete
auxiliary air compressor systems as one package, customized
to meet the individual customer requirements.

2. Multi-functional auxiliary air compressor systems

This system is used for several applications. It provides high quality compressed air for sanding, flange lubrication, horn and toilet door control. Tests, such as electromagnetic compatibility according to EN50121-3-2, vibration and shock test according to EN61373, salt spray test etc., were successfully completed.

Technical data

Free air
flow at
0 bar
Nominal
Pressure
PN
Noise
level
PN
Protection
class
Rating Data Weight Dimensions
Motor
output
Current
consumption
Voltage*
  (l/min) (bar) dB(A) IP P1 (W) (A) (V) (kg) L x B x H (mm)
with DC-motor                
D-030 30 7 61 00 122 6,4 24 DC 4,4 209x108x156
D-040 40 7 61 00 192 9,0 24 DC 5,9 242x121x175
D-061 60 7 69 54 500 21,0 24 DC 6,9 247x132x188
D-061 60 7 69 54 400 3,7 110 DC 6,9 247x132x188
D-100 105 8 68 54 630 26,0 24 DC 20,5 368x176x292
D-100 105 8 68 54 620 8,8 72 DC 20,5 368x176x292
D-100 105 8 68 54 720 6,5 110 DC 20,5 368x176x292
DG-160 160 7 72 56 910 38,0 24 DC 17,0 366x276x190
                   
with 3~AC-motor                
B-038 38 7 57 54 410 1,6/0,9 230/400 6,5 249x156x180
B-061 60 7 66 54 500 0,9 230/400 6,1 225x165x180
B-062 78 8,5 60 20 470 0,9 380-415 9,1 286x125x175
B-100 105 8 66 44 1000 3,1 230/400 20,3 330x200x283
BG-132 130 7 71 54 890 2,0 230/400 18,0 322x276x190
B-160 160 7 72 54 1400 3,1 400 25,9 425x355x295
B-304WR 290 10 77 67 2500 4,4 400 58,5 604x351x278

* other voltages on request

Features:

  • Ambient temperature range from -50°C up to +70°C (application specific solutions available on request)
  • Customized solutions provided for mounting the compressor where space is specifi ed or available, for added flexibility
  • Compressor systems can be fi tted with adsorption or membrane dryers
  • Modular system solutions include systems designed with and without enclosure

 

Main air compressors

 

Applications

  • brake air
  • spring system
  • auxiliary air applications

 

Model ranges

  • The RC range has been in use for 15 years and SNCF certified since 2006. This range includes the first oil-free compressor for main air demand in the rail traffic market all over the world. Due to their modularity, the models are adjustable to all conventional motors and thereby ideally suited for retrofit. Belt drive as well as direct drive are therefore possible.
  • The MC range is newly developed – based on the know-how and the experience in the oil-free main and auxiliary air compressor sector. The range is characterized by its compactness and is therefore an ideal solution for new projects.

 

Advantages

Oil-free

  • Oil-free means trouble-free
    Neither an oil level check nor an oil exchange is necessary. The costs for oil, filters and waste oil disposal can be saved. Maintenance is virtually unnecessary. Functions are not impaired by oil vapours.
  • Oil-free means eco-friendly
    Oil-free compressors protect the environment by saving the scarce energy source oil as well as avoiding oil waste and oil filter waste.

 

Economical

  • reduced energy consumption
  • innovative motor concepts of low-friction construction – specifically tailored to rail traffic
  • low life cycle costs – the use of high-quality materials ensures minimal wear and thus guarantees an above-average high life expectancy of the components and a very low demand for spare parts.

 

Reliable and durable

  • robust
  • dirt-resistant
  • shock-resistant


A generous design of the components, which are tested under extreme conditions, i.e. comprehensive tests in the climate chamber in order to meet our high quality demands even in continuous running.

 

Comfort

  • low noise levels
  • low vibrations – minimized by special vibration dampers and spring elements
  • maintenance friendly – intervals for maintenance are considerably extended by the use of oil-free compressors. Costs and time expenditure are reduced.

 

Specific advantages of the RC ranges

  • modular
  • endurance tested
  • suitable for retrofit (direct drive and belt drive)
  • SNCF-certified

 

Specific advantages of the MC-range

To save space, MC models are integrated into a soundproof housing and are very compact and silent

  • housing as dust protection and stone chip protection
  • soundproof housing
  • starting at low temperatures

 

References

  • TGV (Alstom)
  • KTX (Hyundai Rotem)
  • Z150/Z850 (Stadler)
  • Val 206 (Siemens)

 

Technical data

Delivery rate at 9 bar Nominal pressure
PN
Sound pressure level at PN (@ 4,6 m) Mechanical power Weight Dimensions
  (l/min) (bar) dB(A) (kW) (kg) L x B x H (mm)
Main air
         
MC-700 720 10 60 7,5 200,0 1000x650x510
MC-900 920 10 67 9,0 200,0 1000x650x510
MC-1200 1220 10 69 11,0 250,0 1089x642x495
RC-800* 835 9 - - 117,0 500x713x680
RC-1000* 1000 9 - - 105,0 520x740x630

Data at 50 Hz, further voltages and frequencies available on request

* without motor, with direct coupling, available also with belt drive and with motor

Features:

  • operational from -50°C to +60°C (depending on type)
  • various installation of aggregates possible
  • system solutions with housing
  • soundproofing
  • FU-enabled motors

 

 

 

leaflets

File name Size
Railway_EN.pdf (5.3 MiB)
Schienenverkehr_DE.pdf (3.3 MiB)
Schienenverkehr_RU.pdf (2.0 MiB)
Railway_CN.pdf (2.0 MiB)
Main air compressors for rail traffic_EN.pdf (1.4 MiB)
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