DUNGS Pressure Switch GW…A4, GW…A4/2 Series

DUNGS GW…A4 pressure switch is an adjustable pressure switch as per EN 1854 (GW 6000 A4 as per DIN 3398T3) for burners. It is suitable for closing, opening or switching over a current circuit when the actual pressure value deviates from the specified pressure setpoint. The specified pressure setpoint (operating point) is set at a setting wheel using a scale.

It is a pressure monitoring in burner control systems which suitable for gases of gas families 1,2,3 and other neutral gaseous media, as well as air, flue gases and combustion products.

  • GW 500 A4 / GW 500 A4/2 : Pressure switch for gas, air, flue gases and combustion products
  • GW … A4 HP / GW … A4/2 HP : Highpressure switch for gas, air, flue gases and combustion products
  • Design : Free of non-ferrous metals, suitable for gases up to max. 0.1 % by vol. H2 S, dry.
  • Design :Clear cover Degree of protection IP 54  ;  Metal housingDegree of protection IP 65
  • Max. Operating pressure: 500 mbar/2-8 bar

Model Versions :

GW..A4 Model : Pmax BarDegree Protection
GW 500 A41 mbar – 5 mbarIP 54
GW 500 A4/21 mbar – 5 mbarIP 65
GW..A4 HP Model :Pmax BarDegree Protection
GW 500 A4 HP2 bar / 5 barIP 54
GW 2000 A4 HP5 barIP 54
GW 6000 A4 HP8 barIP 54
GW..A4/2 HP Model :Pmax BarDegree Protection
GW 500 A4/2 HP2 bar / 5 barIP 65
GW 2000 A4/2 HP5 barIP 65
GW 6000 A4/2 HP8 barIP 65


* * For other configuration, spare-part or products details, please consult JATI