Brass DN15 membrane valve with overpressure protection for portable use in closed heating and sanitary systems. Key benefits - Durable brass construction with a compact, portable design suitable for installation in closed hot water systems - Robust protection against overpressure, helping to maintain system integrity and potentially improve efficiency - Suitable for homeowners and professional pressure regulation in private or commercial sanitary installations - Reliable performance with a design focused on maintaining stable pressure levels for water, oil, and related systems Specifications at a glance - Material: Brass - Size: DN15 - Function: Membrane valve with overpressure protection - Applications: Water, oil and general system pressure maintenance use scenarios - Residential closed-loop hot water heating system: prevent overpressure spikes and protect components in the home heating circuit - Commercial sanitary installations: regulate and stabilize pressure for reliable operation in private or small to mid-size facilities - Oil or mixed fluid systems: maintain consistent pressure in small pipelines or service lines where a compact brass valve is advantageous This valve is designed to deliver reliable overpressure protection and steady pressure management in diverse sanitary and utility installations without adding unnecessary complexity.