Pressure Regulating Station 150NA (acetylene)

Pressure regulating station for the central gas supply up to 150 m³/h, automatic changeover

  • optimal emptying of bundles
  • extremly stable outlet pressure independent of inlet pressure and flow
  • motor-controlled ball valves (230 V) for smooth changeover without pressure peaks
  • conforms to DIN EN ISO 14114, TRAC, PED, Atex Zone 1
  • incl. WITT safety equipment

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WITT Pressure regulating station with full automatic changeover for central gas supplies.
Every pressure regulating station 100% tested.


  • powerful manifold pressure regulating station 150NA to regulate high flows up to 150 m3/h
  • extremely stable outlet pressure, independent of inlet pressure and flow rate
  • fully automatic changeover between 2 gas sources (bundles or trailers)
  • electronic WITT-SWITCH-TRONIC with graphical filling level indicator
  • intelligent software and extremely low pressure drop (Δp) provide optimal draining of the manifold or bundles
  • electronic pressure transmitter for filling level control
  • warning if bundle/trailer is empty
  • connections for external devices
  • motor-controlled ball valves (230 V) for smooth changeover without pressure peaks
  • emergency shutdown
  • manual emergency mode possible
  • includes WITT safety elements: decomposition arrestor HDS17, safety group 645 with four WITT flashback
  • arrestor (Model 85-30), non-return valves
  • robust design
  • according to DIN EN ISO 14114, TRAC, PED, Atex Zone 1


  • 2x1 pressure regulating station 150NA fully automated changeovers

consisting of:
2x electronic pressure transmitters + inlet gauges
2x 2/2-way-high pressure ball valves
2x motor-controlled ball valves 230 V
1x automatic quick acting shut-off device HDS17 according to EN ISO 15615
2x HD-non-return valves
1x pressure regulator ADR 150 with blow off valve
1x safety group 645 with safety device 85-30 (with 4x parallel)
1x ball valve in outlet

  • completely mounted and tested on stainless steel plate
  • for connection with WITT-SWITCH-TRONIC


  • flexible hose standards (BAM certified) for connection of pressure regulating station with gas supply, adapter suitable for bundle connection
  • contact pressure gauge
  • pressure regulator ADR 150F with blow off valve
  • acetone separator
  • manifold for connection of cylinder bundles with pressure regulating station

Company certified to ISO 9001


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