Emerson Fisher Easy E Ed Data Sheet
2015-03-30
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FisherrENVIRO-SEAL™ Bellows Seal Bonnets
ENVIRO-SEAL bellows seal bonnets improve sealing
capabilities of Fisher valves and provide long life for
applications where emissions escaping from a valve
stem seal to the atmosphere cannot be tolerated. This
excellent stem sealing system is available for Fisher
easy-etvalves (see the specifications table for
information on valve designs and sizes).
Corrosion resistance is excellent--the bellows is
available in either N06625 or N06022, and the bellows
is protected against direct impingement by the flow
stream. The mechanically formed bellows provides
high operating reliability and extended cycle life, and
the large annular area around the bellows optimizes
warming by the process fluid.
Features
Excellent Sealing Capabilities are Factory
Tested–Every bellows seal is tested before leaving
the factory. Each bellows is mass spectrometer
tested to 1 X 10-6cubic centimeters per second of
helium.
Long Cycle Life–Cycle lives in excess of those shown
in tables 1, 2, 3, and 4 can be achieved with proper
use and maintenance.
Easy Installation in Existing Valves–All parts needed
to install the system in existing valves are available
in a convenient kit.
Rugged Construction–An anti-rotator pin helps
prevent accidental twisting and subsequent
damage and helps prevent stem blow out. A
full-length shroud protects the bellows against
damage during handling, inspection, or
maintenance. See the following figure.
Purging/Monitoring Connections are
Standard–Two connections above the bellows
allow for purging or monitoring of bellows integrity.
ENVIRO-SEAL Bellows Detail
(Mounted on easy-e VALVE)
UPPER
BUSHING
W5800-2
PACKING
ANTI-ROTATOR
PIN
PURGE-MONITORING
CONNECTION
PROTECTIVE
SHROUD
BELLOWS
VALVE PLUG
CONNECTION
VALVE PLUG
ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
2
Specifications
Applicable Valve Designs
NPS1/2through4FisherCL125through600Jeasy-e
valves (for example, EAT, EZ, ETR, etc.),JYD, and
JYS valves
Cycle Life
See tables 1, 2, 3, and 4 and the Cycle Life section.
The bellows is available in Jone-ply or Jtwo-ply
construction for higher pressures and longer cycle life
Pressures and Temperatures(1)
See tables 5 and 6. Do not exceed the
pressure-temperature rating of the valve or the
maximum temperature of the packing and gaskets
Factory Testing Specification
Every bellows is tested to 1 X 10-6 cubic centimeters
per second of helium
Bellows Seal Travel (Also See Cycle Life Section)
See table 7
Construction Materials
See table 10
Material Temperature Capabilities(1)
Standard Packing:
Material In-Body Process
Temperature Limits(2)
Temperature Limits
of the Packing
Material
PTFE and PTFE/
Composition
-46 to 427_C
(-50 to 800_F)
-40 to 232_C
(-40 to 450_F)
Graphite Ribbon/
Filament
-46 to 593_C
(-50 to 1100_F)
-18 to 538_C(3)
(0 to 1000_F(3))
ENVIRO-SEAL Packing: See Bulletin 59.1:061
ENVIRO-SEAL Packing Systems for Sliding-Stem
Valves
Bellows Gasket: Graphite Laminate
-254 to 593_C (-425 to 1100_F)
Valve Components: Seethevalvebulletin
Applicable Stem and Yoke Boss Diameters
See table 11
Maximum Flow Coefficients
See table 7
Bellows Spring Rate
Negligible for actuator sizing and selection purposes
Bellows Effective Area
When sizing an actuator, use the bellows effective
area instead of the valve stem area
NPS 1/2 through 2 Valves: 2.28 cm2(0.353 square
inches)
NPS 3 and 4 Valves: 8.65 cm2(1.340 square inches)
Dimensions
Seefigure2
Options
JRetrofit kits for installation in existing valves.
JENVIRO-SEAL packing systems (figure 1) with PTFE,
Graphite ULF, or Duplex packing materials; see
Bulletin 59.1:061
1. The pressure-temperature limits in this bulletin, in the valve bulletin, and any applicable code or standard limitation, should not be exceeded.
2. These in-body process temperatures assume an outside, ambient temperature of 21_C(70_F).
3. Limit to 371_C (700_F) on oxidizing service.

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
3
Cycle Life
Bellows seal service life is affected by several factors,
including pressure, temperature, and travel. The cycle
life values listed in tables 1, 2, 3, and 4 are determined
from experimental data and reflect a 99% confidence
factor. These cycle life estimates do not include effects
from vibration in the piping system.
ENVIRO-SEAL bellows are normally sold with the travel
limited for optimum cycle life performance. Bellows
may be operated at full valve travel at reduced cycle
life.
Table 1. Estimated Cycle Life for N06625 Bellows(1) at 10.3 Bar (150 Psig) and 38_C (100_F)
VALVE SIZE, NPS BELLOWS SEAL TRAVEL
1/2, 3/4,
1, &
1-1/2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
3.6 0.14 4.6 0.19 6.4 0.28 9.7 0.38 14.2 0.56 19.1 0.75
1Ply 8,000,000 4,000,000 1,400,000 550,000 150,000 50,000
2Ply 10,000,000 10,000,000 2,300,000 800,000 160,000 50,000
2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
5.3 0.21 7.1 0.28 10.7 0.42 14.2 0.56 22.2 0.88 28.6 1.12
1Ply 8,000,000 4,000,000 1,400,000 550,000 150,000 50,000
2Ply 10,000,000 10,000,000 2,300,000 800,000 160,000 50,000
3
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
6.4 0.28 9.5 0.38 26.0 0.56 19.1 0.75 28.6 1.12 38.1 1.50
1Ply 1,000,000 1,000,000 700,000 450,000 300,000 100,000
2Ply 10,000,000 10,000,000 5,000,000 2,500,000 1,000,000 350,000
4
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
9.5 0.38 12.7 0.5 19.1 0.75 28.6 1.12 38.1 1.50 50.8 2.00
1Ply 1,000,000 700,000 450,000 300,000 100,000 50,000
2Ply 10,000,000 5,000,000 2,500,000 1,000,000 350,000 150,000
1. See the Cycle Life section in this bulletin for more information on bellows travel.
Table 2. Estimated Cycle Life for N06625 Bellows(1) at Maximum Pressure and 316_C(600_F)
VALVE SIZE, NPS BELLOWS SEAL TRAVEL
1/2, 3/4,
1, &
1-1/2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
3.6 0.14 4.6 0.19 6.4 0.28 9.7 0.38 14.2 0.56 19.1 0.75
1Ply 100,000 80,000 50,000 30,000 12,000 7,000
2Ply 100,000 90,000 50,000 30,000 12,000 7,000
2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
5.3 0.21 7.1 0.28 10.7 0.42 14.2 0.56 22.2 0.88 28.6 1.12
1Ply 100,000 80,000 50,000 30,000 12,000 7,000
2Ply 100,000 90,000 50,000 30,000 12,000 7,000
3
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
6.4 0.28 9.5 0.38 26.0 0.56 19.1 0.75 28.6 1.12 38.1 1.50
1Ply 45,000 45,000 34,000 24,000 18,000 12,000
2Ply 50,000 50,000 41,000 34,000 24,000 12,000
4
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
9.5 0.38 12.7 0.5 19.1 0.75 28.6 1.12 38.1 1.50 50.8 2.00
1Ply 45,000 34,000 24,000 18,000 12,000 7,000
2Ply 50,000 41,000 34,000 24,000 12,000 7,000
1. See the Cycle Life section in this bulletin for more information on bellows travel.

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
4
Table 3. Estimated Cycle Life for N06022 Bellows(1) at 10.3 Bar (150 Psig) and 38_C (100_F)
VALVE SIZE, NPS BELLOWS SEAL TRAVEL
1/2, 3/4,
1, &
1-1/2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
3.6 0.14 4.6 0.19 6.4 0.28 9.7 0.38 14.2 0.56 19.1 0.75
1Ply 8,000,000 4,000,000 1,200,000 500,000 110,000 40,000
2Ply 10,000,000 10,000,000 2,000,000 650,000 140,000 40,000
2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
5.3 0.21 7.1 0.28 10.7 0.42 14.2 0.56 22.2 0.88 28.6 1.12
1Ply 8,000,000 4,000,000 1,200,000 500,000 110,000 40,000
2Ply 10,000,000 10,000,000 2,000,000 650,000 140,000 40,000
3
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
6.4 0.28 9.5 0.38 26.0 0.56 19.1 0.75 28.6 1.12 38.1 1.50
1Ply 1,000,000 1,000,000 700,000 450,000 300,000 100,000
2Ply 10,000,000 10,000,000 5,000,000 2,000,000 900,000 300,000
4
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
9.5 0.38 12.7 0.5 19.1 0.75 28.6 1.12 38.1 1.50 50.8 2.00
1Ply 1,000,000 700,000 450,000 300,000 100,000 50,000
2Ply 10,000,000 5,000,000 2,000,000 900,000 300,000 130,000
1. See the Cycle Life section in this bulletin for more information on bellows travel.
Table 4. Estimated Cycle Life for N06022 Bellows(1) at Maximum Pressure and 316_C(600_F)
VALVE SIZE, NPS BELLOWS SEAL TRAVEL
1/2, 3/4,
1, &
1-1/2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
3.6 0.14 4.6 0.19 6.4 0.28 9.7 0.38 14.2 0.56 19.1 0.75
1Ply 90,000 80,000 50,000 30,000 12,000 6,000
2Ply 100,000 90,000 50,000 30,000 12,000 6,000
2
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
5.3 0.21 7.1 0.28 10.7 0.42 14.2 0.56 22.2 0.88 28.6 1.12
1Ply 90,000 80,000 50,000 30,000 12,000 6,000
2Ply 100,000 90,000 50,000 30,000 12,000 6,000
3
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
6.4 0.28 9.5 0.38 26.0 0.56 19.1 0.75 28.6 1.12 38.1 1.50
1Ply 40,000 40,000 34,000 24,000 18,000 12,000
2Ply 50,000 50,000 40,000 31,000 23,000 12,000
4
mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch
9.5 0.38 12.7 0.5 19.1 0.75 28.6 1.12 38.1 1.50 50.8 2.00
1Ply 40,000 34,000 24,000 18,000 12,000 7,000
2Ply 50,000 40,000 31,000 23,000 12,000 7,000
1. See the Cycle Life section in this bulletin for more information on bellows travel.

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
5
Table 5. Pressure-Temperature Rating for N06625 Bellows
VALVE SIZE,
NPS
PRESSURE, BAR
Temp., _C38 93 149 204 260 316 371 427
1/2, 3/4, 1, 1-1/2, and 2 1Ply
2Ply
37.9
68.9
34.9
63.4
33.0
60.0
31.1
56.5
29.6
53.8
28.5
51.7
17.1
50.3
27.3
49.6
3&4 1Ply
2Ply
23.9
43.1
21.6
39.6
20.4
37.5
19.2
35.3
18.3
33.6
17.6
32.3
17.1
31.4
16.9
31.0
VALVE SIZE,
NPS
PRESSURE, PSIG
Temp., _F100 200 300 400 500 600 700 800
1/2, 3/4, 1, 1-1/2, and 2 1Ply
2Ply
550
1000
506
920
479
870
451
820
429
780
413
750
402
730
396
720
3&4 1Ply
2Ply
346
625
313
575
296
544
279
512
265
488
255
469
248
456
245
450
Table 6. Pressure-Temperature Rating for N06022 Bellows
VALVE SIZE,
NPS
PRESSURE, BAR
Temp., _C38 93 149 204 260 316 371 427
1/2, 3/4, 1, 1-1/2, and 2 1Ply
2Ply
37.9
68.9
36.8
66.8
36.0
65.5
34.9
63.4
33.4
60.6
32.6
59.3
31.5
57.2
30.3
55.1
3&4 1Ply
2Ply
23.9
43.1
22.7
41.8
22.3
40.9
21.6
39.6
20.6
37.9
20.1
37.0
19.4
35.8
18.7
34.5
VALVE SIZE,
NPS
PRESSURE, PSIG
Temp., _F100 200 300 400 500 600 700 800
1/2, 3/4, 1, 1-1/2, and 2 1Ply
2Ply
550
1000
534
970
523
950
506
920
484
880
473
860
457
830
440
800
3&4 1Ply
2Ply
340
625
330
606
323
594
313
575
299
550
292
537
282
519
272
500
Figure 1. Typical ENVIRO-SEAL Packing Systems
PACKING BOX
STUDS
PACKING
RING
SPRINGS
ANTI-
EXTRUSION
RING
LANTERN
RING
A6290
39B4611-A
PACKING BOX
STUDS
SPRINGS
PACKING
FOLLOWER

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
6
Table 7. Flow Coefficients with ENVIRO-SEAL Bellows Seal and easy-eValves
VALVE
DESIGN
VALVE
SIZE,
NPS
BELLOWS SEAL
TRAVEL FULL-SIZE TRIM RESTRICTED TRIM
mm Inch Quick
Opening Linear Equal
Percentage
Quick
Opening Linear Equal
Percentage
Cv
ED,EDR,ET,
and ETR (Flow Down)
1
1-1/2
2
3
4
14.2
14.2
22.2(1)
28.6
38.1(2)
0.56
0.56
0.88(1)
1.125
1.50(2)
21.5
40.4
74.7
152
243
17.8
32.5
65.1
126
192
9.37
21.0
31.4
81.5
148
---
26.8
31.2
91.9
130
---
22.5
33.3
102
113
---
11.1
24.3
70.7
112
Cg
1
1-1/2
2
3
4
14.2
14.2
22.2(1)
28.6
38.1(2)
0.56
0.56
0.88(1)
1.125
1.50(2)
641
1300
2390
4740
7990
559
1090
2130
4130
6680
325
695
1070
2690
5000
---
990
1120
3170
4750
---
760
1110
3490
4220
---
357
783
2370
4040
ES (Flow Up)
Cv
1/2
3/4
1
1-1/2
2
3
4
14.2
14.2
14.2
14.2
22.2(1)
28.6
38.1(2)
0.56
0.56
0.56
0.56
0.88(1)
1.125
1.50(2)
6.53
14.2
21.2
38.0
67.2
140
228
---
---
16.8
28.4
60.6
117
174
---
---
11.3
20.4
30.9
73.1
125
---
---
---
30.0
39.4
115
183
---
---
---
19.5
30.9
88.8
139
---
---
---
10.0
20.8
67.5
121
Cg
1/2
3/4
1
1.5
2
3
4
14.2
14.2
14.2
14.2
22.2(1)
28.6
38.1(2)
0.56
0.56
0.56
0.56
0.88(1)
1.125
1.50(2)
206
415
688
1325
2410
4780
8000
---
---
565
967
2100
4100
6170
---
---
367
679
1090
2540
4250
---
---
---
992
1350
3990
6280
---
---
---
659
1050
3060
4910
---
---
---
334
710
2320
4230
EZ (Flow Up)
Cv
1/2
3/4
1
1.5
2
3
4
14.2
14.2
14.2
14.2
22.2(1)
28.6
38.1(2)
0.56
0.56
0.56
0.56
0.88(1)
1.125
1.50(2)
4.44
9.72
16.8
33.6
58.5
127
221
---
---
11.6
27.5
46.2
93.4
168
---
---
9.15
13.1
38.8
73.4
118
---
---
---
19.0
17.9
88.4
86.7
---
---
---
12.0
15.7
80.4
86.8
---
---
---
10.0
15.9
71.5
72.7
Cg
1/2
3/4
1
1-1/2
2
3
4
14.2
14.2
14.2
14.2
22.2(1)
28.6
38.1(2)
0.56
0.56
0.56
0.56
0.88(1)
1.125
1.50(2)
168
341
475
1250
2140
4490
7940
---
---
375
921
1630
3460
5860
---
---
299
417
1330
2400
3770
---
---
---
727
687
3120
2910
---
---
---
380
599
2783
2979
---
---
---
302
605
2450
2570
Note: Bellows seal travel is 75% of maximum rated valve travel.
1. 19.1 mm (0.75 inch) travel for restricted trim.
2. 28.6 mm (1.125 inch) travel for restricted trim.

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
7
Table 8. Dimensions for easy-eValves
VALVE SIZE,
NPS
easy-eVALVES
Stem Diameter D
mm Inch mm Inch
1/2, 3/4, & 1 9.5 3/8 320 12.59
1-1/2 9.5 3/8 317 12.47
212.7 1/2 383 15.09
312.7 1/2 517 20.34
412.7 1/2 541 21.28
Table 9. Dimensions for easy-eValves
VALVE STEM
DIAMETER ACTUATOR
TYPE
ACTUATOR
SIZE
E
mm Inch mm Inch
9.5 3/8
657 30
34
440
498
17.31
19.62
667 30
34
478
573
18.81
22.56
12.7 1/2
657
40
45
46
548
659
656
21.56
25.94
25.81
667
40
45
46
594
768
748
23.38
30.25
29.44
Ordering Information
When ordering, specify:
For Existing Valves
1. Process fluid
2. Process fluid temperature
3. Maximum valve inlet pressures
4. Maximum valve pressure drops
5. Valve design (ED, YD, etc.), size, and class
6. Valve stem diameter
7. Refer to the specifications. Review the information
under each specification and in the referenced tables;
writedownyourchoicewheneverthereisaselection
to be made.
With New Valves
1. Refer to the valve bulletin for ordering information.
2. Also refer to the specifications. Review the
information under each specification and in the
referenced tables; write down your choice whenever
thereisaselectiontobemade.
Figure 2. Dimensions for easy-e Valves
(also see tables 8 and 9)
1/4-NPT
PURGE-
MONITORING
CONNECTIONS
E
D
A5696

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
8
Table 10. Construction Materials
PART easy-e VALVES
Bonnet WCC steel or
CF3M (316L stainless steel)
Bellows Seal
Assembly (Bellows / Other Wetted Parts)
N06625 / S31603 (316L stainless steel) or
N06022 / N06022
Upper Bushing
S31600 (316 stainless steel),
R30006,
Chrome-coated S31600,
PTFE-lined S31600, or
N10276/PTFE-glass
Bonnet Gaskets Graphite laminate/stainless steel
Packing PTFE V-ring, PTFE/composition, graphite ribbon/filament,
or PTFE or ENVIRO-SEAL Graphite ULF packing system
Packing Box Ring
and Lantern Ring S31600 (316 stainless steel) or N10276
Packing Flange, Studs, and Nuts Steel, 316 stainless steel, or N10276
Valve Components See valve bulletin
Table 11. Applicable Yoke Boss and Stem Diameters
VALVE SIZE,
NPS
easy-e VALVES
Yoke Boss
Diameter
Stem Thread
Diameter(1)
Valve Stem
Diameter(2)
mm Inch mm Inch mm Inch
1/2, 3/4, 1, & 1-1/2 54 2-1/8 9.5 3/8 12.7 1/2
271 2-13/16 12.7 1/2 12.7 1/2
3&4 71 2-13/16 12.7 1/2 25.4 1
1. This is the diameter at the actuator stem connector.
2. This is the diameter where the stem passes through the packing.
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
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.
E1991, 2012 Fisher Controls International LLC. All rights reserved.
Fisher, ENVIRO-SEAL, and easy-e are marks owned 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 are the property
of their respective owners.
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes 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.