RVHX F4 Series NRS Gate Valve PN16 Flanged Resilent Seated DIN3202 F4 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 Flanges standard: BS EN 1092-2. Design standard: DIN 3352-4 Face to face standard: DIN 3202 F4 Pressure test standard: BS EN12266-2003 Technical Data Nominal Diameter:DN50~DN300(2"~12") Nominal pressure: PN 16 Temperature range: -5 C ~ +85 C Suitable for: Water, ethylene glycol, non correction medium, etc.
