271331 - Gas Pressure Switch, GGAO-A4-4-5 by Dungs
271331 - GGAO-A4-4-5 GAS PRESSURE SWITCHES, GGAO 2-20 WC AUTOMATIC RESET DIFFERENTIAL SWITCHES 1/4" NPT / 1/8" NPT.
GGAO - 4 gas pressure switch is a line of gas pressure switch, SPDT switch type, aluminum alloy body, Plastic shell, NBR film, pressure Pmax 500m bar temperature - 40 0 C to + 67 0 C.
Description The GGAO-A4… ventless differential pressure switch is an adjustable pressure switch for automatic burner controls. These pressure switches are suitable for making and/or breaking a circuit when the medium 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… pressure switch is recommended for industrial and commercial heating, ventilation and airconditioning systems. The GGAO-A4… pressure switch is suitable for dry natural gas, propane, butane, air and other inert gases. Suitable for up to 0.1 % by volume, dry H2 S. A “dry” gas has a dew point lower than +15 °F and its relative humidity is less than 60 %.