The Fisher 8580 rotary valve offers excellent throttling
performance. An approximately linear flow
characteristic provides precise throttling control. The
8580 valve offers high cycle life and rugged reliability.
The valve body meets PN 10 through PN 40, CL150,
and CL300 ratings. Face-to-face dimensions meet EN
558, API 609, and MSS-SP68 standards. Line centering
clips provide for versatility to mount and align the
same wafer style valve body in different piping
configurations (ASME and EN ratings).
The 8580 rotary valve features an eccentricallymounted disk with either soft or metal seal, providing
capability for enhanced shutoff. The interchangeable
sealing technology allows for the same valve body to
accept both soft and metal seals.
The actuator sizing and selection process is improved
by simply reading a table for information.
W9425-2
Product Bulletin
51.6:8580
July 2012
WAFER STYLE
8580 Features
Approximately linear flow characteristic– An
approximately linear flow characteristic provides
precise throttling control.
Global Standards– The valve meets API, ASME, and
EN standards, making it suitable for use in all world
areas.
PEEK/PTFE bearing as standard– The PTFE-lined
PEEK bearing is a low friction, low wear bearing. It
allows the valve to operate under high pressure
drops for a high cycle life while maintaining low
torque. The “drop-in” bearing design enables fast,
easy maintenance.
Spline-ended Shaft– The splined shaft with clamped
lever and single-pivot linkage reduces lost motion
between the actuator and the valve shaft.
W9498-2
Improved shaft-disk pinning– The improved
expansion pin system ensures there is a positive,
durable connection between disk and shaft. This
connection reduces backlash and wear in the drive
system, optimizing long-term performance. It also
makes disassembly for maintenance quick and
simple with no need for special tools.
SINGLE FLANGE STYLE
www.Fisher.com
Product Bulletin
51.6:8580
July 2012
8580 Valve
D103299X012
New Spring-Loaded Shaft– The spring in the
outboard shaft provides support to the drive train
and disk, enabling the shaft to be installed in both
horizontal and vertical orientations with no
detriment to performance or cycle life. This
complements the ability to mount the actuator on
the left- or right-hand side, enabling access for any
installation.
Excellent Emissions Capabilities– The optional
ENVIRO-SEALt packing systems, are designed with
very smooth shaft surfaces and live-loading to
provide improved sealing, guiding, and loading
force transmission. The seal of the ENVIRO-SEAL
system can control emissions to below 100 ppm
(parts per million).
Sour Service Capability– Trim and bolting materials
are available for applications involving sour liquids
and gases. These constructions comply with NACE
MR0175-2002, MR0103, and MR0175 / ISO 15156.
Field-Reversible Valve Action– The actuator/valve
assembly action can be converted from
push-down-to-open to push-down-to-close, or vice
versa, without additional parts.
Long Seal Life– The opening and closing path of the
eccentric disk minimizes disk contact with the seal
ring, thereby reducing seal wear, undue friction,
and seating torque requirements. See figure 2.
Reliable Flange Gasketing Surface– The seal
retainer screws and retention clips are outside the
gasket surface of the seal retainer. Spiral-wound or
flat-sheet gaskets can be installed between the
uninterrupted seal retainer face and the pipeline
flange.
Integral Shaft-to-Valve Body Bonding– Standard
valve construction includes conductive packing to
provide electrical bonding for hazardous area
applications.
Powder paint as standard– The Emerson Process
Managementt powder paint finish offers an
excellent corrosion-resistant finish to all steel parts.
High Temperature Capability– The valve will
operate at elevated temperatures, with the
appropriate trim components.
Easy Installation– Line-centering clips engage the
line flange bolts to simplify installation and provide
for centering of wafer-style valves in the pipeline.
End connections are compatible with EN and ASME
standards.
Excellent Shutoff– Both the metal and soft seal
rings have pressure-assisting sealing action that
ensures tight shutoff regardless of pressure drop.
Table of Contents
8580 Features1................................
8580 Valve Specifications and
Materials of Construction3....................
Shaft Retention– Redundant shaft retention
provides added protection. The packing follower,
anti-blowout ring, and shaft groove interact to hold
the shaft securely in the valve body (see figure 1).
Travel Indication– Additional travel indication can
be achieved by using the indication line on the
shaft, along with the disk position markings on the
packing follower (see figure 4).
2052 Actuator Specifications and
Materials of Construction15...................
2052 Actuator Features18.......................
2
Product Bulletin
8580 Valve
D103299X012
51.6:8580
July 2012
8580 Valve Specifications and Materials of Construction
Table 1. Fisher 8580 Valve Specifications
SpecificationsENASME
Valve Body SizeDN 50,80, 100, 150, 200, 250, and300NPS2,3,4,6,8,10,and12
Pressure RatingPN 10 to 40 per EN 12516-1CL150 / 300 per ASME B16.34
EN 1.0619 steelWCC steel
EN 1.4409 stainless steelCF3M (316L) stainless steel
Valve Body Materials
Disk Materials
Face-to-Face DimensionsMeets MSS SP68, API 609, and EN 558 standards
Flow CharacteristicApproximately linear
Shaft Diametersand Approximate WeightsSee table 8
1. This material is not listed in EN 12516-1orASMEB16.34.Seefigure6forpressure/temperatureratings.
2. This material is not listed in EN 12516-1.Seefigure6forpressure/temperatureratings.
3. UHMWPE stands for ultrahigh molecular weight polyethylene.
4. RPTFE is a reinforcedPTFE seal.
5.LCCconstructionisstandardinwaferstyleonly.ConsultyourEmersonProcess Managementsales office for singleflange valve body style information.
PTFE or RPTFE
Metal or UHMWPE
End ConnectionsMates with raised-face flanges per EN 109 2-1Mates with raised-face flanges perASME B16.5
Valve Body StyleWafer (flangeless) and single flange with tapped or through holes
Shutoff
Flow CoefficientsSee FisherCatalog 12
Flow DirectionStandard (forward flow) is with the seal retainer facing upstream; reverse flow is permissible for soft seals only
Disk RotationCounterclockwise to open (when viewed from actuator side of valve body) through 90 degrees of disk rotation
TRIM CONFIGURATION: METAL SEAL WITH METAL BEARINGS
nP
max
nP
max
51.6:8580
July 2012
17
Product Bulletin
51.6:8580
July 2012
8580 Valve
D103299X012
2052 Actuator Features
Compact design, smaller actuators– Ensures
reduced valve/actuator envelope dimensions
leading to greater mounting versatility for both
skidsandprocessplants,wherespaceisata
premium.
Compatible with DVC6200 and DVC2000 digital
valve controllers; and 3610J and 3620J positioners–
The new actuator allows linkage-less feedback via a
contact-less magnetic array, from the lever to the
window-mounted DVC6200 or end-mounted
DVC2000. Integral window mounting of the 3610J
and 3620J is also available.
Clamped lever to reduce lost motion– The
clamping of the lever onto a splined valve shaft,
coupled with the single pivot linkage, reduces lost
motion between the actuator and the valve. The
typical cumulative deadband for a Fisher rotary
control valve assembly results in 0.5% or less
variability.
No bench set required– The new nested spring
design requires no bench set. This also simplifies the
actuator selection process, see bulletin 61.1:2052,
D103295X012.
ISO5211mountingwithoptionalinsert–The
actuator can now be mounted directly onto
non-spline shafts, such as Square and Double D. This
allows the actuator, with its enhanced control, to
mount on a wider range of valves conforming to ISO
5211.
Adjustable travel stops standard with optional
lockout feature– Provides the ability to adjust or
change the travel range without removing the
actuator or the addition of extra parts. The optional
lockout feature locks the lever in the spring-fail
position.
Fail-safe mechanism contains no aluminum– All
parts in the fail-safe mechanism (made of steel, cast
iron, and ductile iron) ensure the actuator will
maintain safety integrity in the event of a fire.
Powder paint as standard– The Emerson Process
Management powder paint finish offers an excellent
corrosion-resistant finish to all external steel and
cast iron parts.
NAMUR VDE/VDI 3845 for accessory mounting–
Meeting the global standard ensures compatibility
for most accessories, enabling quick and easy
mounting.
Field reversible, right- or left-hand mounting– The
actuator/valve assembly action can be converted
from push-down-to-open to push-down-to-close, or
vice-versa, without additional parts.
Declutchable and top-mounted handwheels–
Available (except top-mounted not available for size
3actuator).
18
8580 Valve
D103299X012
Product Bulletin
51.6:8580
July 2012
Options
Top-Mounted Handwheel: For infrequent use as a
manual actuator (see bulletin 61.1:2052,
D103295X012). For repeated or daily manual
operation, the unit should be equipped with a
declutchable handwheel actuator.
Declutchable Handwheel Actuator: An end-mounted
manual actuator can be used to provide on-site control
and to provide override capabilities. See bulletin
61.8:1078 for handwheel actuator specifications.
Limit Switches:
for one or two single-pole, double-throw contacts, or
J GO proximity switches for one or two single-pole,
double-throw contacts are available. See separate
bulletins for limit switch information.
J Micro-Switch or NAMCO switches
Position Indicating Switch: TopWorxt DXP M21GNEB
switch for one through six single pole, double throw
switch contacts are available. See separate bulletin for
position indicating switch information.
Positioner: For precise positioning of the valve control
element, the actuator should be equipped with a
positioner. For additional information, contact your
Emerson Process Management sales office with
complete service conditions.
Actuator Locking Mechanism: An actuator locking
mechanism is available, which can be used to keep the
actuator in a locked position (the same as the
spring-fail position) during maintenance. The padlock
is customer supplied.
19
Product Bulletin
51.6:8580
July 2012
8580 Valve
D103299X012
Neither Emerson, Emerson Process Management, nor any of their affiliated entitiesassumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher,ENVIRO-SEAL,GO,andTopWorxaremarksowned by one of the companies in the Emerson Process Management business unit of Emerson Electric
Co. Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks arethe
property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they arenot
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available uponrequest. We reserve the right tomodify orimprove thedesigns or specifications ofsuch
products at any time without notice.
Emerson Process Management
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore
www.Fisher.com
E 2008, 2012 Fisher ControlsInternational LLC. All rights reserved.
20
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