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High-Capacity Rotary Valves

Product Flier

PF51.3:Vee-Ball

May 2009

The Fisher Vee-Ball Valve Family (Continued)

Other Rotary Products (Continued)

Fisher V250 . . . The V250 valve is a heavy-duty

valve often used in gas transmission lines, gas

distribution, or liquid pipelines. It is available in sizes

to NPS 24 and CL600 or CL900

pressure-temperature ratings.

Fisher V260 . . . The V260 valve has special

energy-dissipating trim to reduce noise effects that

cause pipeline vibrations. It is available in NPS 8,

10, 12, 16, 20, and 24 sizes.

Fisher Control-Disk Valve . . . This rotary valve

with an equal percentage flow characteristic

provides an improved throttling range. This improved

capability allows you to control closer to the target

set point, regardless of process disturbances. This

capability results in a reduction in process variability.

Fisher 8532, 8580, and 8510/8510B . . . This family

of high performance butterfly valves is designed for

optimal control performance, as well as tight shutoff

isolation service. These valves are available in size

range NPS 2 to 24 and a variety of pressure classes

and body styles.

Fisher A11 . . . The POSISEAL A11

high-performance butterfly valves are designed for

optimal control performance as well as tight shutoff

for isolation, automated on/off service. These valves

feature square, keyed, or splined shafts. These

valves are designed for use in highpressure,

hightemperature, or cryogenic applications, and

available in sizes NPS 3 through 72, and pressure

classes up to CL2500.

ENVIRO-SEAL PACKING SYSTEM

(SINGLE PTFE V-RING)

PACKING STUD

PACKING NUT

O-RING

PACKING

FOLLOWER

PACKING

SET

PACKING BOX

RING

O-RING

14B9917-B

E0735 / IL

LEAK-OFF PACKING ASSEMBLY

FOR NPS 1 THROUGH 12 VALVES

W7557-1/IL

Figure 3. Optional Rotary Valve Packing Assemblies

BASIS WEIGHT VALVE AND ACTUATOR

W5393

Vee-Ball VALVE BALL WITH ATTENUATOR

W7555/IL

Figure 4. Attenuator and Basis Weight Valve

1 2 3 4 5 6 7 8 ... 23 24

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Emerson V150 Guide de l'utilisateur Page 3

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