Pressure Switch With Gauge For Nitrogen / High and Low

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This Nitrogen Pressure Switch assembly is ideal for easy installation.  Includes the checks and components required to be NFPA 99 compliant.  This pressure switch assemby is for high pressure (any pressure over 80 psi).  This complete configuration can also be use for other medical gases of specificed, will come complete with the right gas specific checks and CGA threads.  Works with most medical gas master alarm panels dry contacts.

  • Nitrogen / AIR/CO₂/N₂O/OXY reserve systems
  • Nitrogen / air and oxygen reserve systems
  • Instrument quality snap-action switch
  • Normally open or normally closed contacts
  • Nema 4 water-tight housing
  • 10-250 psi ( adjustable range)
  • Factory cleaned and sealed for oxygen service

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General Specifications:
  • Pressure switch with gauge assembly for the medical gas alarm system shall incorporate a U.L. Listed single pole doublethrow snap-action switching element.
  • Electrical connections are made through a 1/2” conduit connection to screw terminals on the switch. The switch may be wired normally open or normally closed. Electrical rating shall be 10 Ampere 120 volt AC.
  • The pressure switch has a proof pressure of 1000 psi with an adjustable range of 10 to 230 psi decreasing pressure or 11 to 250 psi increasing pressure. Only for nitrogen provide one switch for the high pressure alarm and one for the low pressure alarm signal.
  • The enclosure is a Nema 4 water tight housing with a 1/4” NPT gas service line connection and a 1/2” NPT conduit hub .
  • A gauge is incorporated with a gas specific DISS nut and nipple that is attached to a 1/8” tee that houses the gauge.
  • The Pressure Gauge Assembly will then be mounted directly to a gas specific DISS demand check (provided by Amico) directly onto the pipeline. The demand check shall have a 1/4” Male NPT connection. The Pressure Switch is UL Listed and CSA Approved.