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FV Series Iris Valves operate by rotating the control handle through a 180-degree arc to vary the size of the orifice from closed to fully open.  To lock the valve in a selected position, turn the control handle clockwise and tighten.

FV Features

  • Single sleeve
  • Twist lock handle permits locking in unlimited positions

Standard Construction

  • Aluminum housing
  • Bronze rotating control ring
  • Aluminum handle
  • Steel spiralox clamp rings
  • Stainless steel retaining rings
  • Four-ounce nylon sleeve

Custom Options

  • Teflon coated housing
  • Special control handles
  • Available in all stainless steel construction to meet special applications