Karl Dungs G A4 Series Gas Switches

Karl Dungs G A4 Series Gas Switches

  • Field adjustable
  • Automatic & Manual Reset
  • Pipe Mount

Description

The Dungs G..-A4 Gas Pressure Switches are adjustable pressure switches for automatic gas burning equipment controls.   These G..-A4 gas pressure switch types are: GAO (Automatic Reset), GMH (High Manual Reset), and GML (Low ManualReset).

G..-A4 pressure switches are suitable for making and/or breaking a circuit relative to changes in medium pressure relative to the set point.  The set point can be set in the field by an adjustable dial with an integrated scale. Test nipple integrated in metal housing to verify setpoint.

Application:
Dungs GAO, GMH, and GML A4 pressure switches are recommended for industrial and commercial heating applications with 1/4” NPT pipe connections.  The GAO, GMH, and GMLA4 pressure switch is suitable for natural gas, propane, butane, air and other inert gases.

Ask us for engineering or product support.
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Approvals:
UL, CSA and FM

G…42 Series NEMA 4, Automatic Reset
266965 – Dungs GAO-A4-4-2 Gas Pressure Switch, 0.16-1.2″ W.C., Gold contacts
266919 – Dungs GAO-A4-4-2 Gas Pressure Switch, 0.16-1.2″ W.C., Silver contacts
266920 – Dungs GAO-A4-4-3 Gas Pressure Switch, 0.4-4″ W.C., Silver contacts
266958 – Dungs GAO-A4-4-3 Gas Pressure Switch, 0.4-4″ W.C., Gold contacts
266921 – Dungs GAO-A4-4-5 Gas Pressure Switch, 2-20″ W.C., Silver contacts
266959 – Dungs GAO-A4-4-5 Gas Pressure Switch, 2-20″ W.C., Gold contacts
266922 – Dungs GAO-A4-4-6 Gas Pressure Switch, 12-60″ W.C., Silver contacts
266960 – Dungs GAO-A4-4-6 Gas Pressure Switch, 12-60″ W.C., Gold contacts
266923 – Dungs GAO-A4-4-8 Gas Pressure Switch, 40-200″ W.C., Silver contacts

G…42 Series NEMA 4, Manual Reset

266961 – Dungs GMH-A4-4-4 Gas Pressure Switch, High, 1-20″ W.C., Gold contacts
266927 – Dungs GMH-A4-4-4 Gas Pressure Switch, High, 1-20″ W.C., Silver contacts
266928 – Dungs GMH-A4-4-6 Gas Pressure Switch, High, 12-60″ W.C., Silver contacts
266930 – Dungs GMH-A4-4-8 Gas Pressure Switch, High, 40-200″ W.C., Silver contacts

266963 – Dungs GML-A4-4-4 Gas Pressure Switch, Low, 1-20″ W.C., Gold contacts
266945 – Dungs GML-A4-4-4 Gas Pressure Switch, Low, 1-20″ W.C., Silver contacts
266947 – Dungs GML-A4-4-6 Gas Pressure Switch, Low, 12-60″ W.C., Silver contacts
266948 – Dungs GML-A4-4-8 Gas Pressure Switch, Low, 40-200″ W.C., Silver contacts

Technical Documentation

G A4 Series Gas Switches