Flowserve ball valve DUBALL DL -Flowserve Corporation | Linquip

Flowserve ball valve DUBALL DL

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The Duball DL is a high-performance, metal-seated, full-bore ball valve, equally suitable for isolation, on-off and modulating control applications.

  • Long, maintenance-free, safe operation in automated on-off and control service assured by spring-loaded stem seal packing

  • Increased plant and personnel safety via blowout-proof stem and high-torque transmission with minimum mechanical backlash

  • Broad application versatility enabled by extensive size range and options, including fire-safe tested versions

  • High performance enabled by direct actuator mounting capabilities of the Turnex actuator

  • Excellent control, noise reduction and cavitation enabled by unique Z-trim option

DUBALL DL Specifications:

  • API

    6D
  • DN from

    25
  • DN to

    400
  • Pressure Nominal from (bar)

    10
  • Pressure Nominal to (bar)

    40
  • Class from

    150
  • Class to

    300
  • Sealing material

    Metal soft
  • NPS from

    1
  • NPS to

    16
  • Maximum Temperature (C)
    250
  • Minimum Temperature (C)
    -30
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