Steam Boiler

Schroeder DG500U 3Z Krom Gas Pressure Switch

The Chrom Schroder Gas Pressure Switch model DG500U 3Z is a high-precision industrial device designed for controlling and monitoring gas supply systems. This product features a wide operating range of 50 to 500 millibar with an adjustment accuracy of ±1.5%, utilizing a sensitive diaphragm mechanism made of chromium-plated brass materials. Its durable aluminum housing with an IP65 protection rating enables use in harsh environmental conditions. The high-quality micromechanical switches in this device guarantee a lifespan of up to 800,000 operating cycles.

This pressure switch is designed in compliance with EN 161 and EN 13611 standards and holds ATEX and CE certifications for use in hazardous environments. The operating temperature range is from -30 to +80 degrees Celsius, and it can withstand voltages up to 250 volts AC with a current of 10 amps. Its specialized design is optimized for industrial combustion systems, steam boilers, and central gas supply installations. The precise threaded pressure adjustment system allows easy calibration and modification of switch points without the need for special tools.

Chrom Schroder Gas Pressure Switch DG 150U 3

The Chrom Schroder DG150U 3 gas pressure switch is a high-precision industrial pressure control device designed for gas supply systems. It features an operating range of 15 to 150 millibar with an adjustment accuracy of ±1.5%, utilizing a sensitive diaphragm mechanism made of chromium-plated brass materials. Its durable aluminum housing with an IP54 protection rating allows for reliable operation in various environmental conditions. High-quality micromechanical switches in this device ensure a lifespan of up to 500,000 operating cycles.

This pressure switch is designed according to EN 161 and EN 13611 standards and holds CE certification for use in gas supply systems. The device operates within a temperature range of -20 to +60 degrees Celsius and can withstand voltages up to 250 volts AC with a current of 6 amps. Its specialized design is optimized for industrial combustion systems, small steam boilers, and central heating installations. The screw-type pressure adjustment system allows for precise calibration and easy modification of the cut-in and cut-out pressure points.

Pressure switch Dongs GW 3 A6

The **Dungs GW 3 A6 pressure switch is a mechanical device designed for monitoring and controlling gas pressure in industrial and commercial systems. With an adjustable pressure range—typically between 10 to 200 mbar—this unit is suitable for applications such as gas burners, steam boilers, and heating systems. It features a robust construction made from high-quality materials and is equipped with a microswitch that includes both normally open and normally closed contacts, enabling seamless integration with control circuits. The device offers **IP40 protection** and delivers reliable performance in operating temperatures ranging from **-20°C to +60°C.

Manufactured by the German brand **Dungs**, the GW 3 A6 complies with European standards such as **EN 161** and **EN 1643**. This pressure switch operates on a differential principle and includes a built-in adjustment screw for setting the switching point. Its compact design and easy installation make it well-suited for gas supply and pressure control systems. Additionally, the device is engineered to withstand sudden pressure surges and gas fluctuations, ensuring a high level of safety and operational reliability.

Pressure switch Dongs LGW 3 A4

Dungs LGW 3 A4 Pressure Switch is a high-precision industrial pressure switch designed for gas supply monitoring and control in commercial and industrial applications. This model operates within a 1 to 30 mbar pressure range and features an aluminum housing with IP40 protection rating. The switch is equipped with an SPDT microswitch one normally open and one normally closed contact and allows manual adjustment of switching points. Its reliable performance across -20°C to 60°C temperature range and compliance with EN 161 and EN 1643 standards ensure safe and dependable operation in sensitive gas systems.

Manufactured by the German company Dungs, this product is specifically engineered for burner control systems, steam boilers, and heating equipment. The LGW 3 A4 features 1/8" NPT pressure connections and operates mechanically without requiring external power supply. Its compact, corrosion-resistant design combined with easy installation makes it an excellent choice for industrial applications. The switch can withstand pressure fluctuations while maintaining high operational safety, making it ideal for use in sensitive environments. The robust construction ensures long-term reliability in demanding conditions.

Pressure switch Dongs GW 150 A4

The Dungs Pressure Switch GW 150 A4 is a precise and reliable device designed for pressure control in industrial and commercial gas-fired systems. Manufactured by the German company Dungs, this pressure switch is engineered to monitor and regulate gas pressure within safe operating limits. It operates effectively at high pressures up to 150 mbar , making it ideal for applications such as gas burners, steam boilers, and industrial heating systems. The durable housing is made from materials resistant to temperature, corrosion, and mechanical stress, ensuring stable performance even under vibrations and mechanical shocks.

The GW 150 A4 functions based on a precise mechanical mechanism that sends a switch signal to the controller once the gas pressure reaches a preset level. This model includes an adjustment screw, allowing technicians to finely tune the pressure setpoint based on system requirements. The switch typically features an **IP54** protection class, preventing dust ingress and water splashes, which makes it suitable for use in industrial environments. It is compatible with natural gas, city gas, and LPG, and supports both vertical and horizontal installation without affecting its functionality.

Pressure switch Dongs GW 10 A4

The Dungs pressure switch model GW 10 A4 is a specialized product from the German manufacturer Dungs, designed for precise monitoring of very low gas pressures. This model offers an adjustable pressure range from 1 to 10 mbar and is primarily used in systems requiring continuous and accurate pressure control, such as industrial burners, steam boilers, and sensitive heating equipment. It operates mechanically, using an internal diaphragm and adjustable spring to respond quickly to pressure changes. When the pressure moves outside the set range, the switch instantly sends a signal to open or close the control circuit, enhancing system safety.

The technical design of this model includes a corrosion-resistant body built to withstand temperature fluctuations and environmental vibrations, ensuring durability in demanding conditions. With a typical protection class of IP54, it is suitable for installation in industrial and semi-outdoor environments. The GW 10 A4 pressure switch features standard electrical and mechanical connections, allowing for straightforward installation without the need for specialized tools. Its high accuracy, stable performance, and long service life have made it a reliable and widely used option in gas systems, HVAC projects, and safety-related applications.

Shokoh Electronics GW 150 A4 Air Pressure Switch

The Shokoh Electronics GW 150 A4 air pressure switch is a precision device designed for medium-pressure applications such as industrial ventilation systems, steam boilers, and burners. It can control air pressure up to 150 mbar and uses a diaphragm-based mechanism with an adjustable spring, enabling accurate setting of the switch point. Key features of this model include precise operation, fast response time, and high sensitivity, making it suitable for environments that demand high safety and reliability.

Structurally, the GW 150 A4 pressure switch is built with durable materials resistant to environmental factors such as moisture, corrosion, heat, and vibration. It typically offers an IP54 protection rating, which ensures resistance to dust and water splashes and makes it suitable for installation in industrial and semi-outdoor settings. This model is equipped with standard mechanical and electrical connections, allowing for quick and easy installation by technicians. Its compact design and high reliability make it a practical and safe solution for sensitive projects and industrial facilities.