butterfly valve / lever / electric / pneumatic
BDK™ 12/12L WEIR Oil & Gas



  • Type:


  • Operation:

    lever, electric, pneumatic

  • Function:

    flow control, shut-off

  • Media:

    for slurry, for chemicals, for gas

  • Body:

    wafer, lug type

  • Other characteristics:

    high-performance, bidirectional

  • Temperature:

    Min.: -30 °C (-22 °F)

    Max.: 150 °C (302 °F)

  • Pressure:

    16 bar (232.1 psi)

  • DN:

    Min.: 32 mm

    Max.: 300 mm


OverviewBDK™ Butterfly valves are lightweight and feature bubble-tight shut off design. These valves include an effective on-off and throttling service as well as a replaceable seats offering extended seat life. These are easy to install valves, with virtually zero maintenance required.Key features/benefits Smaller face to face dimensions (Short Pattern) – hence, cost effective Resilient seats for bubble tight shutoff & field replaceable On-off and throttling service Disc wiping action, no body cavity Quick opening by quarter turn operation Moderate torque, easy for automation Least installation space Low pressure drop Bi-Directional