The 42-10RS Type Check Valve, engineered for use in nitrogen and compressed air systems, offers protection against backflow through a differential pressure mechanism. It activates at a threshold of 3psi/5psi (0.2bar/0.3bar). This valve is characterised by its quiet operation, low maintenance requirements, and an automatic closing feature that guards against reverse flow. It incorporates a soft-seated plug to ensure a tight closure (achieving leakage class VI standards). Designed to operate dependably even during power outages or control circuit malfunctions, the valve is constructed without the use of non-ferrous metals and is prepared for immediate fitting, eliminating the need for additional apparatus.