Taiwan SS 317 Spring Safety Valve, Overflow Relief Valve for Pressure Tank and Steam Boiler

**Taiwan SS 317 spring loaded safety valve**, made in Taiwan. Adopts spring direct load design. The spring presses the valve disc. When pressure exceeds preset value, valve opens automatically for relief and reseats automatically when pressure drops. Valve body options: cast bronze or 304 stainless steel, threaded connection. Metal hard seal and PTFE soft seal optional. Low-lift type for liquid and low-pressure gas; full bore type with large discharge capacity for high-temperature steam. Suitable media: saturated steam, compressed air and hot water. Widely used for steam boiler, pressure tank, air receiver, pressure vessel and industrial pipeline. Custom adjustable set pressure, compact size, easy installation and maintenance, vertical mounting required.