OPW Engineered Systems - A Dover Company

USA 1-800-547-9393

International +1-513-696-1500

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Series 600-622 Butterfly Valves
Sizes 2" - 30" Cartridge Seated Valves

600-622 Series Butterfly Valves

For HVAC/ATC, Chemical/Petrochemical Processing, Food and Beverage Industry, Power and Utilities, Pulp and Paper Industry

  • Standard Double D Connection in sizes 2" thru 8", all others round and keyed - gives positive attachment for handle or actuator support and less friction
  • Three standard teflon bushings furnish shaft support at three locations for positive shaft alignment and actuator support as well as less friction
  • Standard ISO 5211 top plate accommodates all types of actuators; handles, gear operators, electric and pneumatic actuators
  • Precision taper pins ensure positive, vibration proof, shaft to disc connection - easily field replaceable
  • One-piece thru shaft ensures dependability and positive disc position, 416SS standard
  • Smooth finished disc flats "mate" with seat flats to give a highly efficient seal; prevents leakage into the shaft area
  • Seat face negates need for flange gaskets
  • Phenolic backed seat is non-collapsible, stretch resistant, blow-out proof, and easily field replaceable
  • Dead end service set screws located in 2 places on valves up to 6" at 3 and 9 o'clock positions, 4 places in larger vales at 2, 4, 8 and 10 o'clock positions - positioned on outer perimeter through valve body to phenolic backing
  • Precision profile disc provides bubble-tight shut off and assures minimum torque and longer seat life
  • Bonding of elastomer to phenolic backing ring protects against distortion, a common cause of shaft leakage