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