Pressure/Vacuum Alarm Switches and Pressure Gauges

Pressure and vacuum switches for medical gas alarm systems incorporate a UL listed single-pole double-throw snap-action micro switch. Each switch is rated at 10 amperes at 120 volts VAC. The pressure switch comes pre-wired for medical

Key Features
  • Normally open or normally closed contacts
  • NEMA 4 water-tight housing with mounting brackets
  • UL listed instrument quality snap-action switch
  • Gas-specific demand check fittings
  • NFPA 99 compliant and cleaned for oxygen service

High Pressure Switch Data

74-13-0100High/Low Pressure Switch – Oxygen
74-13-0101Vacuum Switch – Vacuum
74-13-0102High/Low Pressure Switch – Nitrous Oxide
74-13-0103High/Low Pressure Switch – Medical Air
74-13-0104High/Low Pressure Switch – Carbon Dioxide
74-13-0105High Pressure Switch – Nitrogen (2 required for high and low alarm)
74-13-0106High/Low Pressure Switch – O2/CO2 < 7%
74-13-0107Vacuum Switch – WAGD

Pressure/Vacuum Gauge Data

PARTDescriptionDial Ranges
77-90-0591Pressure Gauge – Oxygen0-100 psi
77-90-0592Vacuum Gauge – Vacuum0-30" hg
77-90-0593Pressure Gauge – Nitrous Oxide0-100 psi
77-90-0594Pressure Gauge – Medical Air0-100 psi
77-90-0595Pressure Gauge – CO20-100 psi
77-90-0596High Pressure Gauge – Nitrogen0-300 psi
77-90-0597Pressure Gauge – O2/CO2 < 7%0-300 psi
77-90-0598Vacuum Gauge – WAGD0-30" hg

Committed to Clinical Support

Allied proudly supports clinicians to enhance their professional development and patient care. We work collaboratively alongside leading specialists to develop products that advance the delivery of their patient’s care.


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