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I. Product Overview
Brand: Dungs
Model: Gw-3-a5 (or GW3A5)
Origin: Germany
Purpose: Used in gas combustion systems to monitor gas pressure and trigger the opening, closing, or switching of circuits when the pressure reaches preset values, protecting the safe operation of equipment and systems.
II.Product Features
Compact Design:
The Gw-3-a5 pressure switch features a compact design, making it suitable for installation in space-constrained environments and easy integration into gas combustion systems.
Easy Adjustment:
The switching point (setpoint) can be adjusted on the dial without the need for a pressure gauge, providing quick and easy operation.
Multiple Installation Options:
Supports multiple installation methods, allowing for direct mounting on the enclosure or installation via an adapter, enhancing installation flexibility.
Wide Applicability:
Suitable for gases in categories 1, 2, and 3, as well as other neutral gaseous media such as natural gas and liquefied gas.
Can operate in overpressure zones without auxiliary energy, demonstrating strong adaptability.
Rapid Response:
The Gw-3-a5 pressure switch reacts quickly to pressure fluctuations, ensuring timely control and protection of the system.
High Precision and Reliability:
Manufactured using high-quality materials and advanced processes, ensuring high precision and reliability of the product and extending its service life.
III. Technical Parameters (Example: GW3A5)
Measurement Range: 0.7 to 3 mbar (different models may have different measurement ranges)
Precision: 0.1 mbar
Pressure Resistance: 500 mbar
Protection Level: IP54 (dustproof and waterproof)
Installation Interface: 1/4-inch NPT internal thread
Voltage: 250V-8A (specific voltage range may vary by model)
Diaphragm Material: Acrylonitrile rubber (or other corrosion-resistant materials)
Operating Environment: Suitable for steam, air, non-flammable gases, and various non-corrosive gas environments.
IV. Application Scenarios
The Gw-3-a5 pressure switch is widely used in various gas combustion systems, such as boilers, hot air furnaces, smelting furnaces, curing furnaces, aluminum melting furnaces, and aluminum billet heating furnaces in the thermal energy industry. In these systems, the Gw-3-a5 pressure switch monitors gas pressure to ensure the stability and safety of gas supply. When gas pressure is abnormal, the pressure switch can trigger an alarm or cut off the gas supply promptly to prevent accidents.
V. Precautions
When installing and using the Gw-3-a5 pressure switch, strictly follow the product manual and relevant safety regulations.
Regularly inspect and maintain the pressure switch to ensure its normal operation and extend its service life.
In case of failure or abnormal conditions, promptly contact professionals for repair or replacement.
In summary, the Dungs Gw-3-a5 Pressure Switch is a superior and reliable gas pressure switch suitable for various gas combustion systems. By accurately monitoring and controlling gas pressure, it effectively ensures the safe operation of equipment and systems.
