Ball valve
1 - 16" class 300 | Duball
FLOWSERVE
Flowserve NAF Duball is an excellent solution where media and extreme pressure conditions make severe demands on the design, material and performance. Equipped with NAF's unique maintenance-free o-ring stem seal design. The floating ball design provides excellent tightness in both directions, even at low differential pressures.
Service-friendly due to the off-center body split and modular design Flowserve NAF Duball is an integrated part in the NAF control valve package with a unique direct mounting concept. Lots of versions available, such as a solution for green liquors, version with ceramic inner parts and several high-alloy materials.
Technical
DN 25-400 (1-16")
PN 10-40 (ANSI Class 150, 300)








