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If pressure drops: 1 NC closes
They are suitable for the automatic control of gases belonging to the first
Process heating control solutions
Selection of field exchangeable single-ended and dual-ended shafts
Dungs GGAO-A4-4-5 Pressure Switch (USA SPEC) Ignition If pressure drops: 1 NCThe GGAO A4 ventless differential pressure switch is an adjustable, gas to gas differential pressure switch for automatic burner controls. These pressure switches are suitable for making and or breaking a circuit when the differential pressure changes relative to the set point. The set point can be set in the field by an adjustable dial with an integrated scale. Test nipple is integrated in metal housing to verify set point. Application The GGAO A4
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