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Centric Disc Butterfly Valves


Butterfly valves are primarily used in water treatment, Cement, Sugar, Food & Paper industry. Leeo offers fully rubber lined butterfly valves with centric disc construction. The liner is replaceable or mounded as per customer requirement.

Codes & Standards

Design : BS EN ISO 17292 / API 6D / BS 5353
Testing : EN 12266-I / API 598

Design Features

  1. ISO 5211 mounting pad for direct actuator mounting.
  2. Extended seats on the body eliminates use of gaskets.
  3. Bubble tight shut sealing.
  4. High-quality resilient seat offers consistent low torque & Long life.
  5. Dual stem design offers minimal resistance for the flow.
  6. Leaver locking arrangement makes it suitable to use for throttling applications.
  7. Actuation with Lever, Gear, Pneumatic actuator, Electric Actuator, Positioner.
  8. Available with different seating options.
  9. Stem to disc connection id of hexagon type offers more reliability in operations.

Size Range Class Rating Connection Shall Material Specifcation
40 - 600 PN 10 / PN 16 Wafer / Lugged / Double Flanged
  1. Cast Iron / Ductile Iron
  2. ASTM A 216 Gr. WCB
  3. ASTM A 351 GR. CF8/CF3, CF8M/CF3M