The Karl Dungs GAO GAO-A4-4-8 is an Automatic Reset pressure switch used to make and/or break a safety circuit in conjunction with changes in pressure relative to a predetermined set-point. The 217-094A gas pressure switch is part of the Dungs A4 series which offers a field adjustable set point in automatic gas and process heating applications. Each Dung's gas pressure switch is adjustable using a dial that has an integrated scale. With the GAO-A4-4-8 the gas technician can safely adjust the pressure between 40" to 200" water columns (W.C.).
Suitable for many applications, the GAO 266923 pressure switches can be pipe mounted and come with a 1/4" NPT pipe connection, and are ideal for both industrial and commercial combustion heat processing applications. The Karl Dungs pressure switches can safely be used in applications that operate with natural gas, propane, butane, air, and other inert gases and are equipped with a neon indicating lamp.
Each of the switches in the A4 Dungs series is UL listed and CSA approved.
| Maximum Operating Pressure | 7 PSI (500 mbar) |
|---|---|
| Enclosure Rating | NEMA Type 4 |
| Ambient Temperature Rating | -40 °F to +140 °F (-40 °C to +60 °C) |
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Karl Dungs Gas Pressure Switch Pipe Mount A4 Series User Manual
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