Pressure Regulating Station 684NG (acetylene)

Pressure regulating station for the central gas supply up to 353 scfh, manual changeover

  • compact design (e.g. suitable for cylinder cabinets)
  • minimizes the risk of accidents and increases the work space
  • ensures continuous gas supply and control of a pipeline
  • completely mounted and tested
  • option: with cut-off valve valve HDS17
  • conforms to DIN EN ISO 14114 and acetylene regulations (TRAC)

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WITT Pressure regulating station 1x1 or manually changeable 2x1 for central gas supplies. Every pressure regulating station 100% tested.


  • pressure regulating station completely mounted and tested
  • quick and easy wall mounting
  • compact design (e.g. suitable for cylinder cabinets)
  • pressure regulating station according to DIN EN ISO 14114
  • pressure regulator according to DIN EN ISO 7291

Operation / Usage:

The pressure regulating station automatically ensures continuous gas supply and control of a pipeline, which is connected with pipeline outlets and reduces the risk of accidents. Supplying from single cylinders is no longer necessary.


  • (1x1) pressure regulating station 684NG
  • (2x1) pressure regulating station 684NG manually changeable

consisting of:
2/2-way-high pressure ball valve DN6 1x or 2x dependant on option
1x pressure regulator with blow off valve
1x safety device 85-10 according to DIN EN ISO 5175 against back flow and flashback
1x ball valve in the outlet DN8; G 3/8 F

  • completely mounted and tested on stainless steel plate


  • automatic quick acting shut-off device HDS17 according to EN ISO 15615
  • flexible hose standards (BAM certified) for connection of pressure regulating station with gas supply (cylinder, gas cylinder manifolds, bundles, ...), adapter suitable for bundle connection
  • screw connection for pipe (soldering end, WITTFIX, welding end)
  • extension module for connection of further single cylinder or cylinder bundles with pressure regulating station
  • information board with concise instructions
  • instruction plate according to the gas

Company certified to ISO 9001


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