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  • Pneumatic Flanged Segment Ball Valve 02
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  • Pneumatic Flanged Segment Ball Valve 04
  • Pneumatic Flanged Segment Ball Valve 02
  • Pneumatic Flanged Segment Ball Valve 03
  • Pneumatic Flanged Segment Ball Valve 04
Pneumatic Flanged Segment Ball Valve
Size Range
DN25~DN600
Nominal size
Class 150 ~Class600
Applicable Temperature
0~350℃
Connection Type
Flange
Flow characteristic
Equal percentage
Pressure test
GB/T13927, API598
Valve body
GB/T12224,ASME B16.34
Operating Type
Pneumatic,Electric
Model
FRQV640Y,FRQV640F
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Introduction

 FREE-VALVE Pneumatic flanged Segmented ball valves are quarter-turn trunnion-mounted control valve mainly recommended for control the flow of fluid in the pipeline system.Segmented ball inside the valve is not a complete sphere,but rather a contoured v-notch segment in the ball. The v-ball provides strong shear force to cut off the medium that is kind of consistently sticky or containing particles,and process an inherent equal percentage flow characteristic,this design allows for the valve to have a high capacity, tight sealing, non-clogging,control and on-off capability.



Advantage
1.One piece body increases rigidity,reduces leakage paths and eliminates possible leak paths ensuring reliable valve operation.
2.Nearly equal percentage flow characteristic.
3.High-performance coating technology is applied to the internal surfaces of the valve ball to ensure long life and corrosion resistance.
4.The valve with top and bottom bearings sleeve reduces operational torque.
5.Cutting action between the V-ball and the seats enabling the fluid to pass smoothly without obstructions.
6.Interchangeable soft seats and metal seats to meet various condition applications.Easy to remove cap design simplifies and seat can be changed for repairing kits.
7.Splined stem connection with segment ball is provided efficient torque transmission and precise control.
8.Flanged segment ball valves are available in metal seats for the abrasive services with STL overlays.



Applications
FREE-VALVE Pneumatic flanged Segmented ball valve is an economical high performance control valve designed for high capacity and wide rangeability control applications in various industries such as the chemical and petrochemical industry, pulp and paper industry, refinery, pharmaceutical, oil & gas, sewage treatment plants, food industries, and more. 



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