Applications: Steam. Min. Set pressure 0.2 barg. Overpressure 10%. Blowdown Gases 10%, liquids 20%. Connections: Threaded BSP / NPT. Discharge coefficients k= 0.55 for gases, k= 0.48 for liquids. Design EN-12516-1, EN-4126-1/7. DIN 259 and ANSI B2.1. Rati