A48E-16C DN25/40 DIN Safety Valve, Spring Full Lift Cast Steel Relief Valve With Wrench For Steam Boiler

**A48E-16C DN25/40 DIN spring full lift safety valve**, spring loaded full lift structure with manual test wrench for on-site inspection. Reduced port design: inlet DN25, outlet DN40 for large discharge capacity. WCB cast carbon steel body, E-type metal hard seal for high temperature service. PN16 nominal pressure, standard DIN flange, GB, ASME, BS, JIS flanges optional. Valve opens automatically for pressure relief when system pressure exceeds set pressure and re-seats as pressure drops. Used for overpressure protection of steam boilers, pressure vessels and compressed air pipelines. Set pressure customizable.