Features and Benefits Axial flow design, counterbalances the pressure on disc, reliable the flow rate. Cartridge disc design fixed on the core plate, liner adjust of the flow rate. Stainless steel disc, for long life cycle and easy for maintenance. Small tolerance and accurate regulation, easy for pre-setting and reduces commissioning costs. Applicable Standards Flanges standard: BS EN 1092-2 Face to face standard: BS EN 558-1 Technical Data Nominal Diameter:DN50~DN600(2"~24") Nominal pressure: PN16/25 Temperature range: -5C ~ +85C Shell test pressure: 1.5PN Seat test pressure: 1.1PN Suitable for: Water, ethylene glycol, non correction medium, etc.