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  • Centric Rubber Lined Butterfly Valve02
  • Centric Rubber Lined Butterfly Valve03
  • Centric Rubber Lined Butterfly Valve04
  • Centric Rubber Lined Butterfly Valve02
  • Centric Rubber Lined Butterfly Valve03
  • Centric Rubber Lined Butterfly Valve04
Centric Butterfly Valve
Size Range
NPS2~NPS64
Pressure Range
PN6~PN16,Class150
Body material
Carbon steel, stainless steel,copper alloy
Sealing material
Rubber or PTFE
Body type
Wafer Body Type, Lug Type or Flange Type
Working temperature
≤120°C
Operating method
Worm gear,electric,pneumatic
Pressure test
GB/T13927; API598
Face to Face
GB/T12221; API609
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Introduction

 FREE-Valve’s Centric Butterfly Valve adopt center Lined principle to design, It uses the flexibility rubber seat, could easily achieve zero leakage and bi-directional sealing, It also can be used as regulation and shut-off device to deal with corrosive, non-corrosive gases, liquids in pipelines .

Advantage
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 .



Applications
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.
 




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