Features and Benefits Axial-flow type. Loss-less design. Small bulk , light weight. Applicable Standards Manufacturing standard: AWWA C510 Structure length standard: BS EN 558 Flange joint standard: BS EN 1092-2 Seals standard: BS EN12266-1, API598 Technical Data Nominal diameter: DN50~DN300(2"~12") Nominal pressure: PN16 Working range: -5C ~ 85C Sealing test: 1.1PN Shell test: 1.5PN Suitable for: Water, ethylene glycol, non correction medium, etc.