Features and Benefits Inside screw pattern with non rising stem High quality bronze construction Designed in accordance with BS EN 12288 Not suitable for high temperature working Threads to BS EN 10226 (ISO7) or ISO228 Applicable Standards Connection standard: ISO228 Technical Data Nominal Diameter:DN15~DN50 (1 2"~2") Nominal pressure: PN 25 Temperature range: -5 C ~ +85 C Sealing test: 1.1PN Shell test: 1.5PN Suitable for: Water, ethylene glycol, non correction medium, etc.