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The Nabic 542 safety valve is highly versatile, suitable for hot water, steam, and air applications, making it ideal for hot water boilers and as a general-purpose safety valve. It features easy inspection and cleaning, along with a drain plug available on sizes DN40 and larger. The valve's resilient PTFE seating design ensures excellent seat tightness, enhancing its reliability and performance in maintaining system safety. Built for durability and flexibility, the Nabic 542 safety valve is a valuable component for systems requiring dependable safety measures, ensuring efficient operation and peace of mind in various industrial and commercial settings.. Nabic 1 inch 542 Safety Valve - 3.7 Bar Brass NAB54202537