Features and Benefits Inside screw pattern with non rising stem Designed in accordance with WRAS requirements Designed in accordance with BS EN 12288 High quality brass construction 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 16 Temperature range: -5 C ~ +85 C Sealing test: 1.1PN Shell test: 1.5PN Suitable for: Water, ethylene glycol, non correction medium, etc.