Data Sheet

www.Fisher.com
Fisherr Vee-Ball™ V150, V200, and V300
Noise Attenuator
Fisher Vee-Ball Series valves (V150, V200, and V300)
with the severe service Attenuator combine the
efficiency of a rotary valve with the energy absorbing
capability of a special trim to provide improved
performance for demanding applications. The Fisher
attenuator design can be utilized in both liquid and gas
service to reduce cavitation and noise effects that
cause pipeline vibration. See table 1 for a competitive
comparison.
Unless otherwise noted, all NACE references are to
NACE MR0175-2002.
Features
 Trim Versatility–Trim components are
interchangeable for Fisher V150, V200, and V300
valves. This feature allows you to reduce your spare
parts inventory and maintenance procedures.
 Attenuator-Ball Fabrication–The ball-attenuator
construction provides structural integrity because
of its rugged fabrication weld.
 Attenuator Performance–Up to -10 dBA acoustical
attenuation, and a K
c
=1.0 for hydrodynamics are
achievable depending on service conditions.
 Application Versatility–The Vee-Ball valves are
available as standard with ISA S75.04 face-to-face
dimensions as well as ASME B16.10-short
face-to-face dimensions for CL150 valves. IEC
60534-3-2face-to-face dimensions are also available
(60534-3-2face-to-face dimensions are equivalent
to S75.04 face-to-face dimensions).
 Long Service Life–Solid HD metal seal construction
(figure 1 ) provides long service life in demanding
applications. The constant wiping action of the seal
across the ball's sealing surface prevents scale and
sludge buildup, and provides excellent s ervice on
W6116-1
Fisher Vee-Ball Series Noise Attenuator Ball
steam, gases, slurries, and various liquid
applications.
 Excellent Flow Characteristic–Precise contouring of
the V-notch ball provides an approximately equal
percentage flow characteristic.
 Sour Service Capability–Optional materials are
available that comply with NACE MR0175-2002.
 Improved Environmental Capabilities–The optional
ENVIRO-SEALpackingsystemisdesignedwithvery
smooth stem surfaces and live-loading provides
improved sealing, guiding, and loading force
transmission. The seal of the ENVIRO-SEAL system
can control emissions to below the EPA
(Environmental Protection Agency) limit of 100
ppm (parts per million) for valves.
 Quick and Easy Maintenance–The Vee-Ball valve ball
seals c an be inspected simply by removing two
screws on the valve body inlet. There is no need to
remove the actuator or disassemble the valve. No
special tools are required for valve maintenance
procedures, such as removing the packing, ball seal,
and shafts.
Vee-Ball Attenuator
D101843X012
Product Bulletin
51.3:Vee-Ball(S2)
January 2013