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Steam Safety Relief Valves, ASME Section IV


3/4 x 3/4 to 1-1/2 x 2 in. (20 x 20 to 40 x 50 mm)


Series 415 Steam Safety Relief Valves are used in commercial and industrial applications for low-pressure, steam heating boilers and process equipment. It consists of a brass body (size 1/4 in.), or a bronze body (sizes 1, 1 1/4, 1 1/2 in.) construction with NPT threaded male inlet and threaded female outlet (drain) connection, stainless steel spring, a top-guided stem, and a non-stick Teflon disc-to-metal seating. Model 415SC has satin chrome finish. Model 415L has low pressure setting at 8psi (55 kPa) for pressure cookers and steam cleaning equipment. ASME Section IV at 15psi (103 kPa) set point.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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