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Duball DL Floating Ball Valve

Brand: Flowserve NAF AB

The Duball DL is a high-performance, metal-seated, full-bore ball valve, equally suitable for isolation, on-off and modulating control applications.
Features
  • 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.
  • Easy installation and replacement as a result of the off-center joint face of the valve body.

Specifications

Pressure Class Range

  • Class 150 to 300
  • PN 10-40

Size Range

  • DN 25 to 400
  • NPS 1 to 16
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