The Kromschroeder GDJ 15R04-4 (03155036) pressure reducing valve is a high-quality product designed to effectively regulate and control pressure in a wide range of industrial applications. The valve is equipped with a spring-loaded mechanism, as well as an inlet pressure compensated diaphragm and zero-point shut-off function, eliminating the need for a drain. This ensures a constant and consistent set pressure, providing reliable performance and optimal pressure control. Kromschroder pressure reducing valves are a durable and reliable solution that maintains precise pressure levels in a wide range of industrial environments.
I. Product Overview
Brand and Origin: Kromschroder, manufactured in Germany.
Series and Model: GDJ series, specifically the GDJ 15R04-4 model.
Product Number: 03155036.
II. Product Features
High-precision Control:
Inlet Pressure Compensation Diaphragm Design: The GDJ series pressure reducing valve adopts an inlet pressure compensation diaphragm design, ensuring constant outlet pressure despite fluctuations in inlet pressure, providing high-precision pressure control.
Multiple Outlet Pressure Ranges: The GDJ 15R04-4 pressure reducing valve typically has an outlet pressure range of 2 to 55 mbar, with specific values potentially varying based on configuration. Different outlet pressure settings can be achieved by replacing the spring.
Safety Performance:
Built-in Safety Diaphragm: The pressure reducing valve is equipped with a safety diaphragm, eliminating the need for a separate breather tube and enhancing the safety and reliability of the equipment.
Zero-pressure Cut-off Function: When no gas flows through the pressure reducing valve, it prevents a sudden rise in pressure downstream of the valve, ensuring system safety.
Wide Range of Applicable Media:
Gas Types: Suitable for various gas media including natural gas, city gas, LPG (gaseous), and biomethane.
Special Versions: For air media, Kromschroder also offers special versions such as the GDJ..L to meet different application needs.
Durability and Reliability:
Material Selection: The valve body is made of aluminum, and the diaphragm is made of durable materials such as nitrile rubber or Perbunan, ensuring long-term stable operation of the pressure reducing valve in harsh environments.
Certification: The pressure reducing valve has passed EC testing and certification, complying with relevant safety standards and regulations.
Installation and Maintenance:
Installation Flexibility: The GDJ series pressure reducing valve can be installed in both horizontal and vertical pipelines, but stress should be avoided during installation, and a minimum distance of 20mm should be maintained from surrounding structures.
Easy Maintenance: The compact design of the pressure reducing valve facilitates routine maintenance and troubleshooting.
III. Technical Parameters (based on general characteristics of the GDJ series)
Maximum Inlet Pressure: Up to 400 mbar.
Outlet Pressure Range: The GDJ 15 series ranges from 2 to 55 mbar (specific values may vary by model).
Media Temperature Range: Typically from -20°C to +70°C (specific values may vary by model and application scenario).
Control Range: Up to 10:1 (specific values may vary by model).
Valve Body Material: Aluminum.
Diaphragm Material: Nitrile rubber or Perbunan.
Valve Seat Material: Aluminum.
Valve Stem Material: Plastic.
IV. Application Fields
The Kromschroder GDJ 15R04-4 pressure reducing valve is widely used in various industrial heating applications, such as gas boilers, industrial furnaces, burner systems, etc., to control the pressure of gas and air required for stable burner operation.
V. Precautions
Selection Advice: When selecting a pressure reducing valve, please ensure that the selection is based on specific application requirements, system pressure, flow rate, and other parameters to guarantee the performance and reliability of the product.
Installation and Commissioning: Please follow the installation and commissioning steps outlined in the product manual to ensure correct installation and stable operation of the pressure reducing valve.
Maintenance and Upkeep: Regularly check the working status of the pressure reducing valve, clean and replace damaged parts in a timely manner to extend the product's service life.
