Features and Benefits Vulcanized EPDM seat. Streamlined DI+EPOXY disc, corrosionresistant. ISO5211 standard top flange, suit for differentoperations. Electrostatically applied Akzo Nobel epoxypowder internally and externally. Applicable Standards Design standard: BS5155, EN593, API609 Flange standard: BS EN1092-2 Top flange standard: ISO5211 Face to face standard: BS EN558-1 Pressure test standard: BS EN12266-1, API598 Technical Data Nominal diameter: DN200~DN600(8"~24") Nominal pressure: PN16 Working temperature: -5 C ~ +85 C Sealing test:1.1PN Shell test:1.5PN Suitable for: Water, ethylene glycol, non correction medium, etc.