EDWARD FLEXIBLE SPLIT WEDGE GATE VALVES – EQUIWEDGE MAIN STEAM ISOLATION VALVE
Compliant with ASME Section III and RCC-M design codes, the Flexible Split Wedge Gate Valve is the industry standard for fast-acting, reliable isolation of main steam or main feedwater lines.
STANDARDS
ASME B16.34
ASME Section III
DESIGN RANGE
Size Range:
NPS 4 to 42
DN 100 to 1050
Pressure Class Range:
600 to 1500
PN 110 to 260
Seating Material: Metal
FEATURES & BENEFITS
Installed base-proven design with over 600 Equiwedge gate valves, MSIVs, and MFIVs installed in operating nuclear power generation plants
Minimized closing time that is 100% verifiable prior to plant startup or during outages to ensure safe shutdown of reactor to prevent meltdown
Gas/hydraulic actuator design provides ability to close valve within 3 to 5 seconds of receipt of signal
Maximized actuator readiness designed with self-contained stored energy and critical component redundancies
Extended service life enabled by simplified modular design with no external hose or piping connections and a 12-year maintenance cycle
Environmental and functional qualifications per IEEE and ASME QME-1 requirements
