Pressure Switches for Gas and Air
Gas and air pressure switches with/without manual reset up to a maximum operating pressure of 800 kPa.

Portfolio Overviews and Selection Tool

Valves and Pressure Switches for ATEX Applications

Valves and Pressure Switches for Special Gas Applications

AA-A1 – Pressure Switches for air, factory adjusted (US/CA)
Factory-adjusted DUNGS Pressure Switches AA-A1 for monitoring overpressure, underpressure or differential pressure. Suitable for air and non-aggressive gases in burner, ventilation and air-conditioning systems.

AA-A2 – Pressure Switches for air, flue and exhaust gases (US/CA)
Adjustable DUNGS Pressure Switches AA-A2 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases and non-aggressive gases in burner, ventilation and air-conditioning systems. Not suitable for natural gas, propane, butane or other fuel gases.

AA-A4 – Pressure Switches for air, flue, exhaust gases (US/CA)
Adjustable DUNGS Pressure Switches AA-A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases and non-aggressive gases in burner, ventilation and air-conditioning systems. Not suitable for natural gas, propane, butane or other fuel gases.

G...A2 – Pressure Switches and Pressure Limiters for gas, air, flue and exhaust gases for DUNGS multifunctional device (US/CA)
Adjustable DUNGS Pressure Switches G...A2 with and without manual reset for monitoring pressure deviations, specially developed for mounting on DUNGS multifunctional device, double solenoid valves, safety valves and pressure regulators. Suitable for dry natural gas, propane, butane, air and other inert gases, as well as for up to 0.1 % dry H2S in burner, ventilation and air-conditioning systems.

G...A4 – Pressure Switches and Pressure Limiters for gas, air, flue and exhaust gases (US/CA)
Adjustable DUNGS Pressure Switches G...A4 with and without manual reset for monitoring pressure deviations. Suitable for dry natural gas, propane, butane, air and other inert gases, as well as for up to 0.1 % dry H2S in burner, ventilation and air-conditioning systems.

GGAO...A4 – Pressure Switches for gas, air, flue, exhaust gases and hydrogen (US/CA)
Adjustable DUNGS Pressure Switches GGAO...A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases, hydrogen, combustible gases such as dry natural gas, propane, butane and inert gases in burner, ventilation and air-conditioning systems.

GGW...A4 – Pressure Switches for gas, air, flue, exhaust gases and hydrogen
Adjustable DUNGS Pressure Switches GGW…A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

GW 500 A4 – Pressure Switches for gas, air, flue, exhaust gases and hydrogen
Adjustable DUNGS Pressure Switches GW 500 A4 for monitoring pressure deviations. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

GW...A4 HP – Pressure Switches for gas, air, flue, exhaust gases and hydrogen for high pressure application
Adjustable DUNGS Pressure Switches GW…A4 HP for monitoring pressure deviations. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

GW...A4 HP – Pressure Switches for gas, air, flue, exhaust gases and hydrogen for high pressure application (US/CA)
Adjustable DUNGS Pressure Switches GW…A4 HP for monitoring pressure deviations. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

GW...A5 – Compact Pressure Switches for gas, air, flue, exhaust gases and hydrogen for multifunctional device
Adjustable DUNGS Pressure Switches GW...A5 for monitoring pressure deviations, specially developed for mounting on DUNGS multifunctional device, double solenoid valves, safety valves and pressure regulators. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

GW...A6 – Compact Pressure Switches for gas, air, flue, exhaust gases and hydrogen
Adjustable DUNGS Pressure Switches GW…A6 for monitoring pressure deviations. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

KS...A2 – Pressure Switches for air, incl. Climate-Set
Adjustable DUNGS Pressure Switches KS…A2 for monitoring overpressure, underpressure or differential pressure. Suitable for air and non-aggressive gases in burner, ventilation and air-conditioning systems. Incl. Climate-Set.

LGW...A1 – Pressure Switches for air, factory adjusted
Factory-adjusted DUNGS Pressure Switches LGW…A1 for monitoring overpressure, underpressure or differential pressure. Suitable for air and non-aggressive gases in burner, ventilation and air-conditioning systems.

LGW...A2 – Pressure Switches for air, flue and exhaust gases
Adjustable DUNGS Pressure Switches LGW...A2 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases and non-aggressive gases in burner, ventilation and air-conditioning systems.

LGW...A4 – Pressure Switches for gas, air, flue, exhaust gases and hydrogen
Adjustable DUNGS Pressure Switches LGW...A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases and non-aggressive gases in burner, ventilation and air-conditioning systems. When used as an overpressure monitor or for measuring the differential pressure, gases of gas families 1, 2 and 3, gas-air mixtures or hydrogen can be connected to P+ (G 1/4").

ÜB, NB...A2 – Pressure Limiters for gas, air, flue, exhaust gases and hydrogen for multifunctional gas controls
Adjustable DUNGS Pressure Switches ÜB, NB...A2 with manual reset for monitoring overpressure, specially developed for mounting on DUNGS multifunctional device, double solenoid valves, safety valves and pressure regulators. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.

ÜB, NB...A4 – Pressure Limiters for gas, air, flue, exhaust gases and hydrogen
Adjustable DUNGS Pressure Switches ÜB, NB…A4 with manual reset for monitoring overpressure. Suitable for air, flue, exhaust gases, hydrogen and gases of gas families 1, 2 and 3 in burner, ventilation and air-conditioning systems.