Severe Service Line Sheet

8/7/2019 Severe Service Line Sheet

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Severe Service

Product Line( FISHER')Severe Service

Whisper Trim@Icage offers provenaerodynamic noisecontrol up to 18 dBA

that is effective for vapor, gas, or steam flow applications. Characterized cages

also available to match specific flow conditions.

Whisper Trim@III cages provide effective attenuationof aerodynamic

noise up to 30 dBA in vapor, gas, or steam applications involving high

pressure drops or high pressuredrop ratios. Whisper III cages havebeen enqineered to reduce flow iet interationas well as turbulence.

WhisperFlo@ trim representsstate of the art solution for applications thatdemand ultimate noise attenuation. This multi-path, multi-stage noise-

abatement technology combines Six Techniques which can reduce noise byup to 40 dBA. The ability to custom-characterize the trim optimizes the

valve's size yet minimizes the size of its downstream piping.

WhisperFlo@ Vent Diffuser providesan optimal solution for noise sources

which needto be releaseddirectly to atmosphere or system header. A vent

system has two potential noise sources that can generate unacceptable, high

noise levels. A WhisperFlo vent diffueser providesa solution for bothnoise

sources.

PULSO blowdown Vent Silencers and Line Silencers providethe solution

to high intensity, broadbandnoise associated with pressure relief systems

and gas/steam line turbulence. The PULSCOdesign reduces low frequency

noise byconverting it to high frequency waves through multiple expansionsand contractions pressurizeddiffuser and plenumsections. High frequency

noise is then easily absorbed by the acoustic packing in the tube module.

The Design V260 is a full bore pipeline control valve designed for optimized

pressure and flow control for ANSI 300 and 600 applications.An integral drilled

attenuator controls noise and vibration from high-pressure drop liquids and gases.The splined shaft connection to the actuator eliminates lost motion allowing for

precise control. The DesignV260Awith Aerodome attenuator,V260B withHydrodome,and V260C BallControl Valves combine the efficiency of a rotary

valvewith the energy-dissipatingcapability of a special trim to provide improved

performance for demandingcapabilities.



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Cavitrol@ IIItrims are used for cavitating liquid applications in various globe and

angle valve bodies. A singlestage of pressure reductioncan handle pressuredrops up to 1440psi. The two, threeand four stage cages can handle upto 2160,3000, and 3500 psi drops respectively. Manyspecial characterizations aeavailable in Cavitrolill cages to match rangeablity requirements.

Design CAV4 control valve with CavitrollV trim is designed specifically for high

pressure liquid applications, such as boiler feedwater recirculation,where pressuredrops exceed 3000 psi to eliminate cavitation is a problem. The key design features

are HighDPCapability,Clearance Flow Staging, Separation of Throttling SeatingLocations and Class V & VI Shutoff.

Multi-Stage Micro-FlatTMis a multi-stage(3, 4,5,6 or 7 stage), anti-cavitation control

valve trim for use in services where high pressuredrop, staged cavitation control is

needed along with lowflow capability. The trim concept uses an axial, expanding area

flow path and features a protected seat designwhere the shutoff function of the valve isseparate from the throttlingareas of the trim. This trim is usedto eliminate cavitation

and can handle up to 5500 psi in a 7-stage configuration.

Design EZ-OVT valve trim is a patenteddual seat valve trim designedto maintain

long term tight shutoff in on-off services that contain particulates in the flow streamsuch as catalyst fines.

NotchFlo DSTAnti-cavitationtrim is designwith 4-stages to offer control of

high pressuredrop liquids (up to 2600 psi)while avoiding the damaging

effects of cavitation and pluggingdue to entrained particles. The designutilizes a high resistance, multi-stage,axial flow processwhere fluid flow is

parallel to the axis of the plugand cage.

Dirty Service Trim (DST)is a multi-stage (2,3,4, or 6 stage) anti-cavitation trim used

with a variety of control valves. It is used in severe serviceswhere the fluid may have

entrained particulatethat could plug the passages in or cause erosiondamage toconventional anti-cavitationtrims. The Patented trim design uses a combined axial and

radial flow that features large, open flow paths and large diameter holes (typical hole

size is 5/8" diameter to 3/4 "diameter). DST is frequently used in high pressure drop

applications up to 4000 psi in the chemical, refining, oil and gas production, and powerindustries.

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Design EHvalve configurations incorporate proventechniques in flow-

stream contouring for higher capacities and in valve trim design forreliability in severe service applications.

Design HP Series control valves are single-port, high-pressure, globe or anglestyle valves with metal seats, cage guides, and push-down-to-closevalve plug

action. These valves are designed for severe service high-pressure

applications in process control industries.

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Design FBand FBG fabricated angle and globe valves are usedwith

compressible fluides on special applications requiringmaximum noiseattentuation capability and high capacity.

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Typical Capabilities

Large SizeValvesSpecial PressureClasses

Special BodyConfigurations

Bodyand Trim Materials

HighTemperature ApplicationsRotary Specials

Typical Capabilities

Fast Stroking Times

LargeValve Force or Travel RequirementsHydraulic and Electric

Valve, Compressor Recycle,Gas transmission, Gas to Flare

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Severe Service Line Sheet