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
