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Brand Name: FREE-VALVE
Temperature of Media: Medium Temperature
Material: Casting
Pressure: Medium Pressure
Standard or Nonstandard: Standard
Model Number: FRD341X
Place of Origin: China (Mainland)
Port Size: NPS2~NPS64
Media: Water
Power: Manual
Structure: Butterfly
color: blue,gray,material color


1.Bi-Directional sealing, throttling Operation and shut-off function.
2.Fully rubber lined body, with lined rubber extending up to the flange contact face,Resilient Seat.
3.the choice of disc and seat materials to suit working conditions and medium.
4.with Self lubricated PTFE lined bearing designing,life cycles up to ten thousand  times cycles.
Centric Rubber Lined Butterfly Valve
Technical specifications
1)Size Range: NPS2~NPS64,
2)Pressure Range: PN6~PN16,Class150
3)Body material: Carbon steel, stainless steel,copper alloy
4) Sealing material: Rubber or PTFE
5) Body type: Wafer Body Type, Lug Type or Flange Type
6) Working temperature:120C
7) Operating method: Worm gear,electric,pneumatic.
8) Pressure test:GB/T13927; API598
9) Face to Face: GB/T12221; API609, EN 558

FREE-Valve's Centric Butterfly Valve could easily achieve Bi-Directional sealing, therefore is a widely applied valve in oilfield, agriculture,Power Plant Condensates Waterworks, Water treatment, Seawater, Exhaust,Flue Gas.Because of rubber lined body materials,it is usually used in low pressure lines.