RVRX OS&Y Gate Valve PN16 Flanged Resilient Seated EN1171 Type Features and Benefits 3 O-ring sealing, zero leakage, safe and reliable. Fully vulcanized wedge, corrosion resistant. Wedge with plastic guide rail on two sides, reduces friction, reduces torque. Full bore, resilient seated, no water head lost. Electrostatically applied Akzo Nobel epoxy powder internally and externally. Applicable Standards Design standard: BS EN 1171 Flanges standard: BS EN 1092-2 Face to face standard: BS EN 558-1 base series 3 Pressure test standard: BS EN12266-2003 Technical Data Nominal Diameter:DN50~DN300(2"~12") Nominal pressure: PN 16 Temperature range: -5C ~ +85C Suitable for: Water, ethylene glycol, non correction medium, etc.