Pressure Regulating Station 684NG (O2/other technical gases)

Data sheet Quotation request

Pressure regulating station for the central gas supply up to 75 m³/h, manual changeover

  • compact design (e.g. suitable for cylinder cabinets)
  • minimises 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


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 regulator according to DIN EN ISO 7291

Operation / Usage:

  • The pressure regulating station ensures continuous gas supply and control of a pipeline, which is connected with pipeline outlets and reduces the risk of accidents
  • A supply by single cylinders is not available


  • 1x1 pressure regulating station 684NG
  • 2x1 pressure regulating stations 684NG manually changeable

consisting of:
high pressure ball valve DN6 dependant on option (1x or 2x)
1x pressure regulator with blow off valve
1x ball valve in the outlet DN8; G 3/8 F

  • complete mounted and tested on stainless steel plate


  • flush valve
  • flexible hose standards for connection of pressure regulating station with gas supply (cylinder, gas cylinder, manifolds, bundles, ...), adapter suitable for bundle connections
  • screw connection for pipe (soldering end, WITTFIX, welding end)
  • extension module for connection of further single cylinder or cylinder bundles with pressure regulating station
  • safety device 85-10 according to DIN EN ISO 5175 against reverse gas flow and flashbacks
  • information board with concise instructions
  • instruction plate according to the gas

Company certified to ISO 9001

Please identify the individual gas at the time of enquiring!


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WITT Zentrale

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