
Kromschroeder GDJ 25R04-4 (03155038) pressure regulator
Gas pressure regulator Kromschroder GDJ25R04-4 (03155038) — original spring-loaded reducer Honeywell. The original Kromschroder GDJ 25R04-4 pressure regulator is a reliable spring-loaded gas reducer with inlet pressure compensation, zero closure, and built-in safety diaphragm. It ensures accurate and stable outlet pressure regardless of inlet pressure and gas flow fluctuations. Main specifications: Model: GDJ 25R04-4; Nominal diameter: DN 25 (Rp 1" — internal thread); Maximum inlet pressure: up to 400 mbar; Outlet pressure range: 5–160 mbar (extended range); Features: Compensation diaphragm, built-in safety diaphragm (without vent line), zero closure, turndown 10:1; Application: Natural gas, LPG, air (dry, without condensate); Temperature: from -20°C to +60°C; Compliance: EN 88 Class A, Group 2, CE. What is the GDJ25R04-4 regulator used for? The regulator is well suited for: Medium boiler rooms and heating systems; Industrial and combination burners; Heat generators and gas appliances; Process lines with moderate gas flow. Inlet pressure compensation ensures stable and safe operation even with significant inlet pressure variations. Advantages of the original Kromschroder GDJ25R04-4: German quality Honeywell Kromschröder — proven reliability; Built-in safety system (safety diaphragm); High regulation accuracy and zero closure; Convenient Rp 1" threaded connection for quick installation; Minimal maintenance and long service life in industrial conditions. An ideal choice for service engineers, installation companies, and enterprises where pressure stability, safety, compactness, and energy efficiency of gas systems are important.