
Large Size Forged Steel F11 F22 A105 Psb Gate Valve. Superior Sealing Performance: Pressure self-tightening structure with Stellite cobalt-based hard alloy surfacing for wear resistance. Reduced Flow Resistance: Advanced straight-through flow channel design significantly lowers energy loss and improves performance. Customizable Wedge Design: Opening and closing parts available as single wedge, double wedge, or parallel double wedge per user needs. Comprehensive Material Options: Body materials include Carbon steel, Stainless steel, Alloy steel, and Duplex stainless steel. Wide Size & Pressure Range: Nominal sizes from 2 to 24 inches (DN50-DN600) and Class 900 to Class 4500 (PN160-PN420). Multiple Actuation Options: Available with Bevel Gearbox, Electric, Pneumatic, or Hydraulic actuators for flexible operation. Strict Quality Certifications: Certified under API 6D, CE, ISO9001, and EAC with 100% finished product inspection.