Centric Butterfly Valve
FREE-Valve’sCentricButterfly Valve adopt center Linedprinciple to design,It uses the flexibility rubber seat, could easily achieve zero leakageand bi-directional sealing, It also can be used as regulation and shut-offdevice to deal with corrosive, non-corrosive gases, liquids in pipelines .
Features
- Bi-Directional sealing,throttling Operationand shut-offfunction.
- Fully rubber lined body, with lined rubberextending upto the flange contact face,Resilient Seat.
- The choice of discand seatmaterials to suit workingconditionsand medium.
- With Selflubricated PTFE lined bearingdesigning,life cycles up to ten thousandtimes cycles .
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:≤120°C
7) Operating method：Worm gear,electric,pneumatic .
8) Pressure test:GB/T13927; API598
9)Face to Face: GB/T12221; API609,EN 558
Applicable
FREE-Valve’s CentricButterfly Valvecould easily achieve Bi-Directional sealing,therefore is a widely applied valve inoilfield, agriculture,Power Plant CondensatesWaterworks, Water treatment, Seawater, Exhaust,Flue Gas.Because of rubber lined body materials,it is usually used in low pressure lines.
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