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The Dungs LGW 3 A2 pressure switch is a precision electromechanical device designed for gas pressure monitoring in commercial heating systems and industrial burner applications. Operating within a range of 0.5 to 15 mbar, this compact switch features a durable aluminum housing with IP40 protection and incorporates a high-sensitivity SPDT microswitch 1NO+1NC for reliable electrical switching. The unit offers manual differential pressure adjustment via an external screw and maintains stable performance across temperatures from -20°C to 60°C , complying with European safety standards EN 161 and EN 1643 for gas appliances.
Engineered by Dungs for combustion control systems, the LGW 3 A2 model includes 1/8" NPT pressure ports and operates without external power, making it suitable for fail-safe applications. Its corrosion-resistant brass sensing element ensures long-term reliability in gas environments, while the compact design allows flexible installation in control panels. The switch features a fixed 3 mbar minimum switching differential and is particularly effective in small to medium-sized boiler systems, providing accurate pressure monitoring with ATEX-compliant safety for non-hazardous areas. The mechanical design prevents false triggering during pressure fluctuations, ensuring stable burner operation.
WEBSITE: Pressure switch Dongs LGW 50 A2 Iran