Setball

Setball

Setball Segmented Ball Valves are cost-competitive general service valves that offer excellent rangeability and high-flow capacity. NAF Setball can be used in a wide variety of applications and meets the highest demands for control accuracy provided by the equal percentage characteristic and the splined connection between shaft and sector.

Brand: NAF
Category: Segmented (V) Ball
Valve Size 1" to 32"
Pressure Class Standard ASME B16.34
Pressure Class Range Class 150, 300
Body One-Piece Body
End Connections Wafer, Integral Flange
Face-to-Face Standard ANSI ISA S75.08.02 (IEC 60534-3-2)
Bonnet Body Integral
Packing Standard O-Ring, Fugitive Emissions, Live-Loaded
Stem Split & Splined
Trim Segmented (V) Ball
Trim Characteristics Equal Percentage
Seating Metal-to-Metal & Soft
Shut-Off Classification ANSI FCI 70-2 Class IV, V, VI

Segmented ball controls very low flow rates and can open up to large flow rates, resulting in a 300:1 turndown

Segmented ball provides shearing action as it moves through the seat to cut through debris and provide reliable shutoff

Low lifecycle and maintenance costs due to the ability to use low operating torque actuators

Simple rotary action provides options for scotch-yoke and rack-and-pinion actuation, as well as rotary piston cylinder

Cost-effective control for less severe service applications, without compromising flow characteristic

The flexible metal seat uses the pressure drops across the seal to enhance its shut-off characteristics in both directions

Application versatility made possible by specialized options for solutions and stem seals

Versatile design that combines the best control characteristics of ball and butterfly valves, allowing it to function as a control and shutoff valve

Certifications Canadian Registration Number (CRN)
Safety Integrity Level (SIL) 3 Capable
PED Directive 97/23/EC
Design Standards ASME B16.5 – Pipe Flanges & Flanged Fittings
ASME B16.10 – Face to Face & End Dimensions of Valves
ASME B16.34 – Valve Flanged, Threaded, and Welding End
ASME SA Materials
ASTM A Materials
Quality IS0 9001:2008
ATEX QAN
IECEX QAR