FZ-B Series Hard Seal Gate Valve

Overview and application

Hard – sealed gate valves are usually suitable for operating conditions where frequent opening and closing is not required and where the gate is fully open or fully closed. It is mainly used to cut off or connect the pipeline medium in petroleum, chemical, hydraulic, thermal power station and other systems.

Technical parameters

  • Nominal diameter: DN50~DN1200 (2″~48″)

  • Pressure rating: PN6~PN420 (class 150~2500)

  • Working temperature: -40℃~500℃

  • Connection: Flange

Materials

  • Valve body: Ductile iron, carbon steel, stainless steel

  • Plate: Carbon steel, stainless steel

  • Valve seat: Hardfacing alloy, stainless steel