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Eccentric Disc Metal Seated Butterfly Control Valves

Series 44000/44500/46000 Butterfly Valve is designed and developed to use in process engineering and industrial application where only a small leakage (Class IV) is allowed in the closed position or where an elevated temperature or an arduous service means a soft seal is not practical.

Key Features

  • Eccentric disc design
  • Uninterrupted 360° contact
  • Excellent flow control range ability
  • Disc design for minimum dynamic torque
  • ANSI/FCI 70-2 Class IV leakage rate
  • Metallic seal
  • Equal percentage Inherent flow characteristic
  • Low Noise Anti-cavitation trim
  • Low weight
  • NACE MR0175 compliance
  • Low maintenance

Technical Specifications

Body Series Series 44000/44500/46000
Series Series 44000 - Eccentric Disc Metal Seated Butterfly Valve
Series 44500 - Eccentric Disc Metal Seated Butterfly Valve with Anti-Cavitation/Low Noise trim
Series 46000 - Eccentric Disc High Pressure Butterfly Valves
Body Size 2" to 48" (50mm to 1200mm)
Pressure Rating ASME 150# to 2500#
Body Style Wafer, Lugged & Double Flanged
Actuator Options Pneumatic Diaphragm Actuator, Pneumatic Piston Cylinder, Electrical etc
Body Materials WCB, CF8M, CF3M, CF8.CF3 etc
Disc Materials WCB, CF8M, CF3M, CF8.CF3 etc / Stellite or Chrome Plated
Rangeability 50:1
Flow Characteristics Approx. Equal Percentage / Modified Equal % Inherent flow characteristics
Leakage Class Class IV (Metal Seated)
Fluid Temperature -196°C to 550°C
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