Fisherr 8510 and 8510B Eccentric Disc Control
Valves (EMA)
Fisher 8510 and 8510B eccentric disc valves feature an
eccentrically mounted disc and a PTFE or 316 stainless
steel seal ring. The pressure-assisted seal ring provides
excellent shutoff against pressure applied in either
direction. The 8510B is a multi-class rated valve,
available in NPS 2 through 12, and PN10 through
PN100 compatible (compatibility varies with size and
class, see table 1).
The 8510 is rated for CL150, available in NPS 14
through24,andPN10andPN16compatible
(compatibility varies with size and class, see table 1).
These valves combine with a variety of power and
manual actuators to form reliable, high-performance
control valves suited for many liquid and gas
applications requiring extremely low leakage.
Constructions are available for temperatures up to
538C (1000F).
W4739-2
Eccentric Disc C ontrol Valve with Fisher 1052 Actuator
and 3610J Positioner
Unless otherwise noted, all NACE references are to
NACE MR0175-2002.
Features
Sour Service Capability–Materials are available for
applications involving sour service. These materials
comply with the requirements of NACE
MR0175-2002.
disc design provides an approximately linear flow
characteristic and can be used for on/off or
throttling control applications through 90 degrees
of disc rotation. Optional disc stop on 8510B
provides seal protection.
(continued on page 3)
W9264-1
Fisher 8510B with Alternate Double D Shaft and
1035/El-O-Matic Actuator
www.Fisher.com
Product Bulletin
51.6:edisc (EMA)
February 2013
Specifications
8510/8510B Valve
D100066X012
Valve Sizes and End Connection Style
8510B: NPS
J 2, J 4, J 6andJ 8(PN10through
PN100) - CL150, 300 or 600 ASME flange
compatibility,
J 10 and J 12 (PN10 through PN40) -
CL150 ASME flange compatibility
8510 flangeless valves: NPS
J 16 (PN16), J 18, J 20 (PN16) and J 24 (PN16) -
J 14 (PN10 and PN16),
CL150 ASME flange compatibility for NPS 14 through
24
Also see table 1.
Maximum Inlet Pressures
(1)
Flow Direction
Standard (forward flow) is with the seal retainer
facing upstream; reverse flow is permissible within
specified limitations
Flow Coefficients
See table 1
Flow Coefficient Ratio
100 to 1
Noise Levels
See Catalog 12 for sound pressure level prediction
Disc Rotation
WCC Steel, CF3M Stainless Steel (316L SST), and
CN7M (Alloy 20) Valve Bodies: Consistent with
applicable pressure-temperature ratings in table 2,
unless limited by pressure drop/temperature
Clockwise to close (when viewed from actuator side
of valve) through 90 degrees of disc rotation
Actuator Valve Action
capabilitiesintables6,7,8,9and10ortemperature
capabilities in table 11
M35-1ValveBodies:As shown in table 2, unless
further limited by pressure drop/temperature
capabilities in table 10 or temperature capabilities in
table 11
Maximum Pressure Drops
(1)
Steel Valve Bodies (8510 and 8510B): See table 6 or 7
CF8M Stainless Steel Valve Bodies (8510): See tables
8and9
Alloy Valve Bodies (8510B): See table 10
Shutoff Classifications per ANSI/FCI 70-2andIEC
60534-4
PTFE Seal Ring: Bidirectional shutoff to Class VI is
standard
316 Stainless Steel Seal Ring: 0.001% of maximum
valve capacity (one tenth of Class IV)
Construction Materials
See tables 3, 4, and 5
Material Temperature Capabilities
(1)
With diaphragm or piston rotary actuator,
field-reversible between
(extending actuator rod opens valve) and
push-down-to-close (extending actuator rod closes
valve)
With 1035 Rack and Pinion actuator with spring
return or double acting action, field-reversible
between
Valve Classification
J Face-to-face dimensions of NPS 3 through 6 in
CL150 and 300, and face-to-face dimensions of NPS 8
through 24 in CL150, meet API 609 standards for
face-to-face dimensions of narrow flangeless and
single-flange valves
J DIN face-to-face dimensions for all sizes meet DIN
3202 Part 3/K2, and
J JIS B2210 standard face-to-face dimensions are
available on request.
Mating Flange Capabilities
All size compatible with welding-neck and slip-on
flanges (schedule 80 or lighter for 8510B NPS 2
through 12; schedule 40 or lighter for 8510 NPS 14
through 24)
Shaft Diameters and Approximate Weights
See table 11
Flow Characteristic
Approximately linear
1. The pressure/temperature limits in this bulletin and any applicable standard or code limitation should not be exceeded.
2. Ratio of maximum flow coefficientto minimum useable flow coefficient.
See figures 7 and 8
Options
J Line flange bolting, J FGMlineflangegaskets
(2)
J push-down-to-open
J
J fail-to-open and J fail-to-close
2
8510/8510B Valve
D100066X012
ENVIRO-SEAL Packing System Specifications
Product Bulletin
51.6:edisc (EMA)
February 2013
Available Packing
J ENVIRO-SEAL PTFE Packing System
J ENVIRO-SEAL Graphite Packing System
Maximum Temperature/Pressure Limits
(1)
Maximum Application Temperature/Pressure Limits
to meet EPA Fugitive Emission Standard of 100
(2):
ppm
For ENVIRO-SEAL PTFE Packing Systems: Up to 232C
(450F) at the ASME class rating of the valve.
For ENVIRO
-
SEAL Graphite Packing Systems: Up to
316C(600F) at the ASME class rating of the valve
Material Temperature Range:
-
For ENVIRO
SEAL PTFE Packing Material:
-46 to 232C(-50to450F)
Construction Materials
PTFE Packing Systems:
Packing Rings: PTFE V-ring
Male and Female Adaptor Rings:Carbon-filled PTFE
V-ring
Anti
-
Extrusion Rings: High strength polymer
Packing Box Rings: S31600 (316 SST)
Graphite Packing Systems:
Packing Rings: Graphite
Anti
-
Extrusion Rings: Carbon
Packing Box Rings: S31600 (316 SST)
Spring Pack Components:
O
-
Ring: Nitrile. The O-ring serves as an assembly
conveniencetoholdthespringsinpositiononthe
follower.
ENVIRO-SEALt packing systems, shown in figure 6,
are designed with very 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.
Lost Motion Minimized–For 8510, the taper pin/disc
connection and the splined valve shaft with
clamped lever and single pivot linkage reduce lost
motion between the actuator and valve. For 8510B,
the taper key/disc connection and the splined valve
shaft with clamped lever and single pivot linkage
reduce lost motion between the actuator and valve.
Greater Capacities and Lower Operating
Torques–The contoured disc increases flow
capacity and reduces operating torque at peak
angles of disc opening.
assembly action can be converted from
push-down-to-open to push-down-to-close, or vice
versa, without additional parts.
Integral Shaft-to-Body Bonding–Standard valve
construction includes conductive packing to
provide electrical bonding for hazardous area
applications.
Easy Installation–Centering holes (figures 1, 2 and
3) engage the line flange bolts to simplify
installation and provide for centering of the valve in
the pipeline.
Long Seal Life–The opening and closing path of the
eccentric disc (figure 4) minimizes disc contact with
the seal ring, thereby reducing seal wear, undue
friction, and seating torque requirements.
Exceptional Shutoff at High Pressure Drops–Both
the 316 stainless steel seal ring and the bidirectional
PTFE seal ring with pressure-assisting sealing action
(figure 5) are designed to provide shutoff regardless
of flow direction.
Reliable Flange Gasketing Surface–The seal retainer
cap screws or retention clips are outside the gasket
surface of the seal retainer, and spiral wound or flat
sheet gaskets can be installed between the
uninterrupted seal retainer face and the pipeline
flange.
Self-Flushing Action–With standard right-hand
actuator mounting, the bottom edge of the disc
opens downstream away from the seal, and the flow
stream flushes sediment from the seal.
Double D Shaft–8510B valves in NPS 2 through 12
are available with double D shaft end designedto
accept the 1035 Rack and Pinion Actuator and other
quarter-turn actuators.
Shaft Retention–Redundant shaft protection is
provided with 8510B valves with the double D drive
shaft. The packing follower and stepped shaft
interact to provide the redundant shaft retention.
4
8510/8510B Valve
D100066X012
Figure 1. Typical Fisher 8510B Construction Detail
RETAINER CLIP
Product Bulletin
51.6:edisc (EMA)
February 2013
CENTERING HOLE
BEARING
SPACER
41B6064-A
41B6101-A
B2303*
TAPER
KEY
VIEW A
SEE VIEW A
SEAL
RING
ASSEMBLY
Figure 2. Typical Fisher 8510B Construction Detail with Double D Shaft
TAPER KEY
CENTERING HOLE
PTFE SEAL
SEAL
RETAINER
SEAL
RING
DISC
SPRING
VALVE
BODY
316 STAINLESS
STEEL SEAL
REDUNDANT SHAFT
RETENTION DEVICE
39b8285-A
E0781
BEARING
SPACER
5
Product Bulletin
51.6:edisc (EMA)
February 2013
Figure 3. Construction of Fisher 8510
CENTERING
HOLE
48A5626-A
B1691-3
8510/8510B Valve
D100066X012
Figure 4. Comparison of Disc Action
SEAL RING (PTFE
CONSTRUCTION
SHOWN)
ECCENTRIC
DISK PATH
OF ROTATION
CONVENTIONAL
DISK PATH
OF ROTATION
SIDE VIEW – DISK FULLY CLOSED
A2867-2
ECCENTRIC
DISK CENTER
OF ROTATION
CENTERLINE OF
VALVE BODY
CONVENTIONAL
DISK CENTER
OF ROTATION
CONVENTIONAL
DISK
BOTTOM VIEW – DISK FULLY OPENED
ECCENTRIC
DISK
VALVE BODY
6
8510/8510B Valve
D100066X012
Figure 5. Action of Bidirectional PTFE Seal RIng (Top) and Metal Seat Ring (Bottom)
VALVE BODY
SEAL RING
SEAL
RETAINER
SPRING
Product Bulletin
51.6:edisc (EMA)
February 2013
STANDARD
FLOW DIRECTION
DISC
VALVE BODY
SEAL RING
SEAL
RETAINER
STANDARD
FLOW DIRECTION
DISC
DISC CLOSING OR OPENING AND NOT
IN CONTACT WITH SEAL RING
B1558-3
Note:
Arrow indicates disc position with no pressure.
1
DISC CLOSED AND IN
CONTACT WITH SEAL RING
DIRECTION OF
PRESSURE
DIRECTION
OF PRESSURE
ACTION OF SEAL RING WITH PRESSURE
APPLIED FROM BOTH DIRECTIONS
7
Product Bulletin
51.6:edisc (EMA)
February 2013
Table 1. Flow Coefficients and ASME Rating and Flange Compatibility
1. M35-1 valve bodies arenot included in ASMEB16.34. See table 2 forpressure/temperature information for M35-1 valve bodies. The designations C L150, 300, and 600for these valve bodies
areusedonlytoindicaterelativepressure-retaining capabilities and are not ASME pressure/temperature rating class designations.
2. Consult your Emerson Process Management salesoffice for pressure/temperature ratingsof these valves.
CvWITH NORMAL FLOW AND
DISC WIDEOPEN
(90 DEGREES ROTATION)
COMPATIBILITY–
STEEL, STAINLESS
STEEL, AND ALLOY
20 VALVE BODIES
8510B
CL150, 300, and 600CL150/300/ 600
CL150
CL300
CL150
CL300
8510
CL150---CL150
VALVE
DESIGNATION–
M35-1
CL150
CL300
CL150
CL300
(1)
ASME FLANGE
COMPATIBILITY
CL150, 300, and
600
CL150
CL300
CL150
CL300
8510/8510B Valve
D100066X012
PN FLANGE
COMPATIBILITY
PN10, PN16, PN25, PN40,PN63
and PN100
PN10 and PN16
PN25 and PN40
PN10 and PN16
PN25 and PN40
PN10 and PN16
(2)
(2)
(2)
(2)
300
41.3
36.5
34.1
33.1
33.0
600
530
495
480
478
(1)
(1)
M35-1
(1)
(1)
600
82.7
72.7
68.2
65.8
65.7
1200
1055
990
955
953
Table 2. Maximum Allowable Inlet Pressures for M35-1ValveBodies
TEMPERATURE
CBar
-46 to 38
93
149
204
232
FPsig
-50 to 100
200
300
400
450
1. This material is not listed in ASMEB16.34. Also see the installation information.The designations CL150, 300, and 600 areused only to indicate relative pressure-retaining capabilities
and are not ASME pressure-temperature rating class designations.
PTFE V-ring or PTFE composition-29 to 232-20 to 450
Graphite ribbon-29 to 427-20 to 800
15All-29 to 232-20 to 450
NT3PTFE V-ring-29 to 232
3, 4, 8
PTFE composition or graphite ribbon
PTFE V-ring
PTFE V-ring
7
PTFE composition
Graphite ribbon
PTFE V-ring
11, 13
PTFE composition
Graphite ribbon
PTFE V-ring
12, 14
PTFE composition
Graphite ribbon
NT3PTFE V-ring-40 to 232
PTFE V-ring
PTFE composition or graphite ribbon
PTFE V-ring
PTFE composition or graphite ribbon
(1)
for Alloy Valve Body Materials
8510B
57.9
840
51.4
746
44.1
26.8
13.8
10.3
3.4
24.0
22.8
20.8
16.8
639
388
200
150
50
348
331
302
244
39.6
24.8
13.8
10.3
3.4
32.1
29.9
26.3
19.2
575
360
200
150
50
465
434
382
278
33.4
27.2
19.6
13.8
10.3
3.4
16.8
16.5
15.9
14.7
MATERIAL
TEMPERATURE CAPABILITY
CF
(1)
(1)
-40 to 232
-46 to 232
-40 to 232
-46 to 232
-46 to 232
(1)
(1)
(1)
(1)
(1)
-40 to 232
-46 to 260
-46 to 538
-40 to 232
-46 to 260
-46 to 427
(1)
-40 to 232
-46 to 232
-40 to 149
-46 to 149
484
33.8
395
27.5
284
19.7
200
13.8
150
10.3
50
3.4
244
12.7
239
230
213
(1)
-20 to 450
-20 to 450
-40 to 450
-50 to 450
-40 to 450
-50 to 450
-50 to 450
-40 to 450
-50 to 500
-50 to 1000
-40 to 450
-50 to 500
-50 to 800
-40 to 450
-40 to 450
-50 to 450
-40 to 300
-50 to 300
490
399
285
200
150
50
184
---
---
---
---
---
---
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
16
8510/8510B Valve
D100066X012
Product Bulletin
51.6:edisc (EMA)
February 2013
Material Selection
Guidelines
Pick the valve body, trim, and other construction
materials from tables 3, 4, and 5, according to the
recommendationsandlimitationsintables6,7,8,9,
10, and 11. Also, make sure that the
pressure/temperature limits in the specifications table
andtables1,2,6,7,8,9,10,and11arenotexceeded.
Installation
As indicated in this bulletin, M35-1 valve bodies are not
ASME B16.34 or ASME code-approved materials. Valve
bodies constructed of M35-1 will mate with ASME
flanges, but are not included in ASME
pressure-temperature ratings and must not be
installed in systems requiring conformance to ASME
standards.
An 8510 and 8510B valve may be installed in any
position.
b. Reducing or relief
2. Controlled fluid
3. Specific gravity of controlled fluid
4. Fluid temperature
5. Range of flowing inlet pressures
6. Pressure drops
a. Range of flowing pressure drops
b. Maximum at shutoff
7. Flow rates
a. Minimum controlled flow
b. Normal flow
c. Maximum flow
8. Maximum permissible noise level, if critical
9. Line size and schedule
Dimensions are shown in figure 7.
Ordering Information
When ordering, specify:
Application
1. Type of application
a. Throttling or on/off
Valve Information
Refer to the Specifications table. Review the
information under each specification and in the
referenced tables. Indicate the choice wherever there
is a selection to be made.
Actuator and Accessory Information
Specify the desired actuator type and size from the
separate actuator bulletin. Also refer to the separate
actuator and accessory bulletins for additional
ordering information.
17
Product Bulletin
51.6:edisc (EMA)
February 2013
Table 12. Dimensions for Fisher 8510 and 8510B
VALVE
SIZE,
NPS
2
3
4
6
8
10
12
14
16
18
20
24
2
3
4
6
8
10
12
14
16
18
20
24
1. Valve assembly only.
ABDFGKR
45
48
56
57
64
71
83
92
102
114
127
154
1.78
1.88
2.19
2.25
2.5
2.81
3.25
3.62
4.00
4.50
5.00
6.06
59
78
102
141
191
241
286
329
376
427
470
564
2.31
3.06
4.00
5.56
7.50
9.50
11.25
12.94
14.81
16.81
18.50
22.19
187
187
214
214
208
208
208
208
356
356
356
356
7.38
7.38
8.44
8.44
8.19
8.19
8.19
8.19
14.00
14.00
14.00
14.00
141
168
197
251
317
378
438
416
473
536
589
699
5.56
6.62
7.75
9.88
12.50
14.88
17.25
16.38
18.62
21.12
23.19
27.50
138
155
198
238
289
289
348
362
409
397
464
522
5.44
6.12
7.81
9.38
11.38
11.38
13.69
14.25
16.12
15.62
18.25
20.56
8510/8510B Valve
D100066X012
S
(SHAFT
DIA)
mmkg
102
119
162
202
244
257
297
311
359
346
406
465
InchesPounds
4.00
4.69
6.38
7.94
9.62
10.12
11.69
12.25
14.12
13.62
16.00
18.31
103
127
159
217
272
325
384
416
473
536
589
699
4.06
5.00
6.25
8.53
10.69
12.81
15.12
16.38
18.62
21.12
23.19
27.50
12.7
15.9
19.1
25.4
31.8
31.8
38.1
38.1
44.5
44.5
50.8
63.5
0.5
0.625
0.75
1
1.25
1.25
1.5
1.5
1.75
1.75
2
2.5
TUW
117
117
152
152
235
235
235
235
273
273
273
337
4.62
4.62
6.00
6.00
9.25
9.25
9.25
9.25
10.75
10.75
10.75
13.25
---
--32
32
46
46
46
46
51
51
51
76
---
---
1.25
1.25
1.81
1.81
1.81
1.81
2.00
2.00
2.00
3.00
1/2-13
1/2-13
1/2-13
1/2-13
5/8-11
5/8-11
5/8-11
5/8-11
3/4-10
3/4-10
3/4-10
7/8-9
1/2-13
1/2-13
1/2-13
1/2-13
5/8-11
5/8-11
5/8-11
5/8-11
3/4-10
3/4-10
3/4-10
7/8-9
APPROXIMATE
WEIGHT
4.3
5.9
9.1
102
136
204
277
9.5
102
158
194
225
300
450
610
(1)
19
31
46
72
88
13
20
41
69
Table 13. Dimensions for Fisher 8510 and 8510B
DIN VALVE
BODY SIZE
DN 50
DN 80
DN 100
DN 150
DN 200
DN 250
DN 300
A
FACE-TO-FACE
mmPN 10PN 16PN 25PN 40-100
43
49
56
70
71
76
83
102
138
158
212
268
320
370
102
138
158
212
268
320
378
RAISED FACE
Figure 7. Dimensions for Fisher 8510 and 8510B (also see tables 12 and 13)
R
S
F
41B6064-A
B2036-1
G
B
K
D
mm
102
138
162
218
278
335
395
102
138
162
218
285
345
410
A
A
T
U
T
WW
NPS 2 AND 3 NPS 4 THROUGH 24
18
8510/8510B Valve
D100066X012
Table 14. Dimensions for Fisher 8510B with Alternate Double D Shaft
VALVE
SIZE,
NPS
2
3
4
6
8
10
12
2
3
4
6
8
10
12
1. Valve assembly only.
ABDFGKR
mmkg
45
48
54
57
64
71
83
1.78
1.88
2.12
2.25
2.50
2.81
3.19
59
78
102
141
191
241
286
2.31
3.06
4.00
5.56
7.50
9.50
11.25
--83
83
83
83
89
89
---
3.25
3.25
3.25
3.25
3.50
3.50
141
168
197
251
317
378
438
5.56
6.62
7.75
9.88
12.50
14.88
17.25
138
155
198
238
289
289
348
5.44
6.12
7.81
9.38
11.38
11.38
13.69
102
119
162
202
244
257
297
InchesPounds
4.00
4.69
6.38
7.94
9.62
10.12
11.69
103
127
159
217
272
325
384
4.06
5.00
6.25
8.53
10.69
12.81
15.12
Figure 8. Dimensions for Fisher 8510B with Alternate Double D Shaft (also see table 14)
S
(SHAFT
DIA)
---
12.7
15.7
19.0
25.4
31.8
38.1
---
0.5
0.625
0.75
1
1.25
1.5
TUW
117
117
152
152
235
235
235
4.62
4.62
6.00
6.00
9.25
9.25
9.25
---
--32
32
46
46
46
---
---
1.25
1.25
1.81
1.81
1.81
Product Bulletin
51.6:edisc (EMA)
February 2013
APPROXIMATE
WEIGHT
1/2-13
1/2-13
1/2-13
1/2-13
5/8-11
5/8-11
5/8-11
1/2-13
1/2-13
1/2-13
1/2-13
5/8-11
5/8-11
5/8-11
4.3
5.9
9.1
19
31
46
72
9.5
13
20
41
69
102
158
(1)
39B8285-A
E0782
R
S
F
GK
B
D
19
Product Bulletin
51.6:edisc (EMA)
February 2013
8510/8510B Valve
D100066X012
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility forproper selection, use,and maintenanceof any product remains solely with thepurchaser and end user.
Fisher and ENVIRO-SEAL are marks owned by one of the companies in the EmersonProcess Management business unitof Emerson Electric Co. Emerson
Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the 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 upon request. We reserve the right to modify or improve the designs or specifications of such
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 1982, 2013 Fisher ControlsInternational LLC. All rights reserved.
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