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The Nabic 1 inch 542 Safety Valve - 2.0 Bar is a versatile and reliable safety valve designed for use with hot water, steam, or air. Primarily engineered to protect hot water boilers, it also serves as an effective general-purpose safety valve in various applications. Its resilient PTFE seating design ensures a high level of seat tightness, providing optimal performance. The valve features easy inspection and cleaning, making it highly practical for ongoing maintenance. For sizes DN40 and above, a drain plug is fitted to ensure additional functionality. This robust safety valve is built to deliver long-term reliability.. Nabic 1 inch 542 Safety Valve - 2.0 Bar Brass NAB54202520