Emerson Fisher 657 And 667 Data Sheet

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Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Fisherr 657 and 667 Diaphragm Actuators
Fisher 657 and 667 spring-opposed diaphragm
actuators position the valve plug in the valve in
response to varying controller or valve positioner
pneumatic output signals applied to the actuator
diaphragm. Zero setting of the actuator is determined
by the compression of the actuator spring. Span is set
by both the actuator spring rate and the number of
springs available. The 657 actuator is direct-acting; the
667 is reverse-acting. These actuators are designed to
provide dependable on-off or throttling operation of
automatic control valves.

Features


Application Versatility–Five actuator types in eleven
sizes are available for an extensive variety of
applications. Spring rates, travel stops, and manual
operators are available for nearly any control valve
application.



Excellent Linearity Between Loading Pressure and
Travel–A molded diaphragm travels in a deep
diaphragm casing, minimizing area change
throughout the travel.



High Degree of Dynamic Stability and Frequency
Response–A shallow casing on the pressure side
means reduced volume on that side, thereby
minimizing response time.



High Thrust Capability–The molded diaphragm
allows maximum thrust for given diaphragm size.



Long Service Life–Rugged thick-walled cast iron and
steel construction provides increased stability,
corrosion protection, and protection from
deformation should over-pressurization occur.

www.Fisher.com

W2174-2

W1916-3

657 ACTUATOR

667 ACTUATOR

Fisher 657 and 667 Actuators Mounted on
easy-et Valves



Cold Service Applications–Enhanced product
specifications for all sizes of 657 and 667 diaphragm
actuators allow performance to -50_C (-58_F). Use
of a positioner is recommended to ensure
responsiveness in applications operating below
-40_C (-40_F).



Positive Connections–A split block stem connection
provides a solid transfer of motion while allowing
easy mounting. The absence of linkages helps to
avoid lost motion and inaccurate valve positioning.

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Specifications
Standard Operating Pressure Range(1)
657 and 667: J 0.2 to 1.0 bar (3 to 15 psig) or J 0.4
to 2.0 bar (6 to 30 psig)
657-4 and 667-4: 0.2 to 1.9 bar (3 to 27 psig)
667 Size 76: J 0.4 to 2.0 bar (6 to 30 psig) or J 0 to
3.1 bar (0 to 45 psig)
Maximum Travel
See table 1
Output Indication
Stainless steel disk or pointer and graduated scale
Stroking Speed
Dependent on actuator size, travel, spring rate, initial
spring compression, and supply pressure. If stroking
speed is critical, consult your Emerson Process
Management sales office
Maximum Allowable Thrust(2)
See table 1
Operating Temperature Range(1)
Standard Construction (Nitrile Elastomers): -40 to
82_C (-40 to 180_F)
Optional Construction (Silicone Diaphragm): -40 to
149C (-40 to 300F)
Maximum Valve Packing Box Temperature: 427_C
(800_F) with cast iron yoke
Volumetric Displacement
See table 2
Signal Connections
Sizes 30 - 60 and 667 Size 76: 1/4 NPT internal
Sizes 70 and 87: 1/2 NPT internal
Size 80
657: 3/4 NPT internal with 1/4 NPT internal bushing
667: 1/2 NPT internal with 1/4 NPT internal bushing
Size 100: 1 NPT internal with 1/4 NPT internal bushing
Effective Diaphragm Area
See table 1

Construction Materials (refer to figure 1)
Diaphragm Casing
Sizes 30 - 87: Steel
Size 80: J Cast iron or J steel
Size 100: J Cast aluminum
Diaphragm
Sizes 30 - 87: J Nitrile on nylon, J Silicone on
polyester
Size 100: Nitrile on polyester
Diaphragm Plate
657 Sizes 30- 60, 100: J Cast aluminum
657 Sizes 70 - 87: J Cast iron or J steel
667 Sizes 30 - 60, 100: J Cast aluminum or J steel
667 Sizes 70 - 87: J Cast iron or J steel
Actuator Spring: Steel
Spring Adjustor: Steel
Spring Seat: J Steel or J cast iron
Actuator Stem: Steel
Travel Indicator: Stainless steel
O-Rings: Nitrile
Seal Bushing: Brass
Stem Connector: Zinc-plated steel
Yoke
Sizes 30 - 80: J Cast iron or J steel
Size 100: Steel
Construction Materials for Cold Service
[to -50_C (-58_F)] 657 and 667--all sizes
Yoke: Steel (Grade LCC)
Diaphragm: Silicone
O-Rings:(3) Ethylene Propylene
Bolting: Stainless Steel B8M Cl 2
Stem Connector: Stainless Steel
Lubricant: Silicone
Stem and Yoke Boss Diameters
See table 1
Approximate Weight
See table 3
Options
J Oversize signal connections, J Plastic yoke covers,
J Watertight yoke (sealed construction for certain
applications where valve stem and packing must be
protected)

1. The pressure and temperature limits in this bulletin and in any applicable standard or code limitation should not be exceeded.
2. Do not exceed the thrust limits in this bulletin.
3. Includes diaphragm casing seals, casing-mounted handwheel on 657, seal bushing on 667.

2

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Available Configurations
Direct Action
All 657 actuators are direct acting. Applying air
pressure to the upper diaphragm casing forces the
actuator stem downward. When this pressure is
reduced, the opposing spring force moves the
actuator stem upward. Should the loading pressure
fail, the spring forces the stem to the extreme upward
position. This provides fail-open action for
push-down-to-close valves and fail-closed action for
push-down-to-open valves.
657–A direct-acting actuator used on sliding-stem
valves. Available in sizes 30 through 100. See figures 1,
2, 5, and 6.
657-4–A 657 actuator in sizes 70 and 87, designed
with 102 mm (4-inch) travel.

Reverse Action
All 667 actuators are reverse acting. Applying air
pressure to the lower diaphragm casing forces the
actuator stem upward against the opposing spring
force. When this loading pressure is reduced, the
spring moves the actuator stem downward. Should
the loading pressure fail, the spring forces the stem to
the extreme downward position. These actuators
provide fail-closed action for push-down-to-close
valves and fail-open action for push-down-to-open
valves.

667–A reverse-acting actuator used on sliding-stem
valves. Available in sizes 30 through 100 and 76. See
figures 1, 2, and 7.
667-4–A 667 actuator in sizes 70 and 87, designed
with 102 mm (4-inch) travel.

Accessories
Handwheels
Handwheels for diaphragm actuators are often used as
adjustable travel stops. They also provide a ready
means of positioning the control valve in an
emergency. The specifications in tables 5 and 6 apply
to handwheels on both 657 and 667 Series actuators.
For repeated or daily manual operation, the unit
should be equipped with a side-mounted handwheel
actuator.
Top-Mounted Handwheels–Typical 657 and 667
actuators with handwheels mounted on the
diaphragm case are shown in figure 2 (not available on
a 667 actuator, size 80). On the 657 actuator, the
handwheel can be set to limit the travel in the upward
direction; on the 667 actuator, travel in the downward
direction can be restricted. A P-2 travel stop (figure 4)
is available for a 667 actuator, sizes 45-60 to limit
travel in either the upward or downward directions. An
actuator with a P-2 travel stop is limited to a maximum
travel of 19 mm (0.75 inch). The handwheel on the size
100 is similar in function to those on the smaller sizes,
but it uses a gear drive similar to the drive employed
on the integral side-mounted handwheels (see figure
2).

Contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Available Configurations . . . . . . . . . . . . . . . . . . . . . . . 3
Direct Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Reverse Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Handwheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Adjustable Travel Stops . . . . . . . . . . . . . . . . . . . . . . . . 7
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . 14

Tables
Additional Specifications . . . . . . . . . . . . . . . . . . . . . . . 5
Volumetric Casing Displacement . . . . . . . . . . . . . . . . 6
Approximate Actuator Weights
(without handwheel) . . . . . . . . . . . . . . . . . . . . . . . . 6
Thrust Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Handwheel Specifications . . . . . . . . . . . . . . . . . . . . . 10
Adjustable Travel Stop Styles . . . . . . . . . . . . . . . . . . 11
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Figure 1. Typical Actuators
DIAPHRAGM CASINGS
DIAPHRAGM
DIAPHRAGM PLATE
ACTUATOR SPRING
ACTUATOR STEM
SPRING SEAT
SPRING ADJUSTOR
STEM CONNECTOR
YOKE
TRAVEL INDICATOR DISK
INDICATOR SCALE

W0364-2

667 SIZES 30-87

657 SIZES 30-87

W0366-1

657 SIZE 100

4

W0363-2

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Table 1. Additional Specifications for Fisher 657 and 667 Series Actuators
ACTUATOR
SIZE

EFFECTIVE
DIAPHRAGM
AREA
cm2

YOKE
BOSS
DIAMETER

30

297

54

9.5

19

10,231

34

445

54

9.5

29

10,231

40

445

71

12.7

38

12,010

45

677

71

12.7

51

25,132

46

1006

71

12.7

51

33,584

50

677

90

19.1

51

25,131

60

1006

90

19.1

51

30,246

STEM
DIA
mm

70(2)

1419

90

19.1

76(667)

1006

90

19.1
25.4

80

1761

127

87(2)

1419

127

25.4

127H(5)

31.8

178

50.8

100

2902
Inch2

30

46

34
40

MAXIMUM
TRAVEL

31.8

76
102(3)
51
76
76
102(3)

MAXIMUM
ALLOWABLE
THRUST(1)
N

39,142
30,246
63,392
88,075(4)
39,142

102

200,160

Inch

Lb

2-1/8

3/8

0.75

2300

69

2-1/8

3/8

1.125

2300

69

2-13/16

1/2

1.5

2700

45

105

2-13/16

1/2

2

5650

46

156

2-13/16

1/2

2

7550

50

105

3-9/16

3/4

2

5650

60

156

3-9/16

3/4

2

6800

70(2)

220

3-9/16

3/4

76(667)

156

3-9/16

3/4
1

80

273

5

87(2)

220

5

1

100

450

5H(5)

1-1/4

7

2

1-1/4

3
4(3)
2
3
3
4(3)
4

8800
6800
14,150
19,800(4)
8800
45,000

1. These values are based on material limitations such as yoke, stem connection, diaphragm plate, and travel stop strengths.
2. Values also apply to 657-4 and 667-4 actuators.
3. For 657-4 and 667-4 actuator constructions.
4. Steel construction.
5. H=Heavy actuator-to-valve bolting.

5

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Table 2. Volumetric Casing Displacement for Fisher 657 and 667 Series Actuators
ACTUATOR
SIZE

CLEARANCE
VOLUME(1)

TRAVEL, mm
11

16

19

cm3

29

38

51

76

102

Casing Volume(2), cm3

30

540

918

1080

1180

---

---

---

---

---

34 and 40

934

1470

1700

1850

2330

2790

---

---

---

45 and 50

1560

---

2790

3000

3720

4420

5410

---

---

46, 60, and 76

2180

---

3880

4210

5280

6340

7740

---

---

70 and 87

3490

5240

5950

6420

7830

9240

11,110

14,880

18,570

80
100

4820

---

---

---

10,490

12,450

14,860

19,340

---

657

10,880

---

---

16,400

19,170

21,940

25,630

33,000

40,380

667

12,780

---

---

18,320

21,070

23,840

27,530

34,900

42,280

2

3

4

TRAVEL, INCH
Inch3

0.4375

0.625

0.75

1.125

1.5

Casing Volume(2), Inch3
30
34 and 40
45 and 50

33
57
95

56
90
---

66
104
170

72
113
183

--142
227

--170
270

----330

-------

-------

46, 60, and 76
70 and 87
80

133
213
294

--320
---

237
363
---

257
392
---

322
478
640

387
564
760

472
678
907

--980
1180

--1133
---

657

664

---

---

1002

1170

1339

1564

2014

2464

667

780

---

---

1118

1286

1455

1680

2130

2580

100

1. Clearance volume indicates casing volume at zero travel.
2. Includes clearance volume.

Table 3. Approximate Actuator Weights (without handwheel)

6

ACTUATOR

ACTUATOR
SIZE

657

30

16

15

36

34

34

22

22

48

48

40

23

23

51

50

45

37

41

82

90

46

49

55

107

121

50

42

43

92

94

60

53

55

116

122

70

107

115

235

254

76

---

86

---

190

80

234

284

515

626

87

116

118

255

260

100

346

544

762

1200

667

657

Kg

667
Lb

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Table 4. Thrust Capabilities(1) by Input Signal Range
TRAVEL

ACTUATOR
SIZE

mm

19
34
40
45
46
50
38
60
70
51

80
87

76
100
102

Inch

0.75
34
40
45
46
50
1.5
60
70
2

80
87

3
100
4

N

0.2-1

2250

1840

0.4-2

3890

3270

0.2-1

3380

3380

0.4-2

5830

5530

0.2-1

3380

2760

0.4-2

5530

3680

0.2-1

4670

4670

0.4-2

8410

8870

0.2-1

6940

6250

0.4-2

13,190

11,800

0.2-1

5140

3740

0.4-2

8410

7010

0.2-1

6940

4860

0.4-2

13,190

8330

0.2-1

7830

7830

0.4-2

18,590

13,700

0.2-1

10,110

11,250

0.4-2

18,950

19,680

0.2-1

6850

7830

0.4-2

18,590

13,700

0.2-1

16,010

8010

0.4-2

32,030

36,030

0.2-1

12,010

---

0.4-2

22,019

28,024

Psig
30

1.125

THRUST
CAPABILITIES
657
667

Bar
30

29

PRESSURE RANGE
TO ACTUATOR
DIAPHRAGM(2)

Clockwise rotation of the handwheel on the 657
actuator moves the actuator stem downward,
compressing the spring. Spring action returns the
stem as the handwheel is turned counterclockwise.
With the 667 actuator, counterclockwise rotation
moves the stem upward, and spring action returns the
stem on clockwise rotation.

Side-Mounted Handwheels–Figure 3 shows the
side-mounted handwheels (designated by the letters
MO) applicable to sizes 34 through 87, 657 and 667
actuators. Size 30 actuators do not have a
side-mounted handwheel available.

All side-mounted handwheels can be used to stroke
the valve in either direction at any point in the actuator
stem travel. Unlike the top-mounted handwheel, the
side-mounted handwheel can be positioned to limit
travel in either direction, but not both at the same
time. With the handwheel in the neutral position,
automatic operation is possible throughout full valve
travel. In any other position, valve travel will be
restricted. The handwheel is furnished with a
spring-loaded ball detent which prevents vibration
from changing the setting.

Lb

3-15

506

414

6-30

874

736

3-15

759

759

6-30

1311

1242

3-15

759

621

6-30

1242

828

3-15

1050

1050

6-30

1890

1995

3-15

1560

1404

6-30

2964

2652

3-15

1155

840

6-30

1890

1575

3-15

1560

1092

6-30

2964

1872

3-15

1760

1760

6-30

4180

3080

3-15

2272

2528

6-30

4260

4424

3-15

1540

1760

6-30

4180

3080

3-15

3600

1800

6-30

7200

8100

3-15

2700

---

6-30

4950

6300

1. For Size 76 667 actuators, contact your Emerson Process Management sales office.
2. Consult Fisher 657 and 667 instruction manuals (D100306X012, D100307X012,
D100310X012, and D100311X012) for additional information on maximum pressure
limitations.

Adjustable Travel Stops
Top-mounted adjustable travel stops are available for
657 and 667 Series actuators. They are used to limit
travel in the up, down, or up and down directions.
Figure 4 illustrates the different constructions. Table 7
locates the different style constructions with actuator
type and use.

Other
Accessories such as transducers, positioners, position
transmitters, air relays, volume boosters, switching
valves, lockup valves, limit switches, and solenoid
valves are also available for actuator mounting. They
are described in separate publications. Contact your
Emerson Process Management sales office for details.

7

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Figure 2. Typical Top-Mounted Handwheels

W0368-2

W0369-2

657 ACTUATOR
(EXCEPT SIZE 100)

667 ACTUATOR
(EXCEPT SIZES 80 AND 100)

W0370-1

TOP VIEW

W0370-1

657 ACTUATOR SIZE 100
(GEAR DRIVEN)

8

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Figure 3. Typical Side-Mounted Handwheels for Fisher 657 and 667 Series Actuators

SECTION A-A

W0371-1

W0372-1

SIZES 70, 76, 80, AND 87

SIZES 34 THROUGH 60

Figure 4. Adjustable Travel Stops

STYLE 1
657 AND 657-4
UP STOP

STYLE 2
657 AND 657-4
DOWN STOP

STYLE 10
667 DOWN STOP

STYLE 11
667 UP
AND DOWN STOP

40A38A1211-E
40A8764-E

STYLE 12
667 UP STOP

STYLE 13
667 UP STOP

STYLE 14
667 UP STOP

STYLE P2
667 UP AND
DOWN STOP

9

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Table 5. Fisher 657 Handwheel Specifications
TOP-MOUNTED HANDWHEEL
657
ACTUATOR
SIZE

Handwheel
Diameter

Turns Per
mm Travel

Rim Force(1)

mm

SIDE-MOUNTED HANDWHEEL
Maximum
Handwheel
Output
Force(3)

Handwheel
Diameter

Turns Per
mm Travel

Rim Force(1)

Maximum
Handwheel
Output
Force(3)

N

N

mm

N

N

30

171

0.3

190

6670

---

---

---

---

34 and 40

222

0.3

210

10,010

304

0.2

230

10,010

45 and 50

222

0.3

420

15,080

355

0.3

360

15,080

46 and 60

222

0.3

490

22,690

355

0.3

540

22,690

70 and 87

355

0.3

590

29,360

432

0.8

160

29,360

80

355

0.3

770

37,770

432

0.4

240

37,770

100(2)

406

6

270

160,000

---

---

---

---

Inch

Turns Per
Inch Travel

Lb

Lb

Inch

Turns Per
Inch Travel

Lb

Lb

30

6.75

8

42

1500

---

---

---

---

34 and 40

8.75

8

48

2250

12

5.14

52

2250

45 and 50

8.75

8

95

3390

14

6.65

81

3390

46 and 60

8.75

8

110

5100

14

6.65

122

5100

70 and 87

14

8

132

6600

17

20

36

6600

80

14

8

173

8490

17

10

53

8490

100(2)

16

144

60

36,000

---

---

---

---

1. Tangential handwheel force required to produce the handwheel output force shown. (Proportional to handwheel output force).
2. Top-mounted with gear drive.
3. Maximum force available to compress the actuator spring and close the valve.

10

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Table 6. Fisher 667 Handwheel Specifications
TOP-MOUNTED HANDWHEEL
667
ACTUATOR
SIZE

Handwheel
Diameter
mm

Turns
Per
mm
Travel

Rim
Force(1)

SIDE-MOUNTED HANDWHEEL

Maximum
Handwheel
Output
Force(3)

Handwheel
Diameter

667
ACTUATOR
SIZE

Turns Per
mm Travel

Rim Force(1)

N

N

N

N

30

171

0.3

200

6670

30

---

---

---

---

34 and 40

222

0.3

230

10,010

34 and 40

304

0.2

230

10,010

222

0.2

460

17,790

355

0.2

430

26,690

45 and 50

355

0.3

360

15,080

222

0.2

460

17,790

355

0.2

430

26,690

46 and 60

355

0.3

540

22,690

355

0.2

520

26,690

762 mm Bar

0.2

410

44,480

70, 76, and 87

432

0.8

160

29,360

406

6

270

160,000

80

432

0.4

240

37,770

667
ACTUATOR
SIZE

Inch

Turns
Per
Inch
Travel

Lb

Lb

667
ACTUATOR
SIZE

Inch

Turns Per
Inch Travel

Lb

Lb

30

6.75

8

45

1500

30

---

---

---

---

34 and 40

8.75

8

51

2250

34 and 40

12

5.14

52

2250

8.75

6

103

4000

14

6

97

6000

45 and 50

14

6.65

81

3390

8.75

6

103

4000

14

6

97

6000

46 and 60

14

6.65

122

5100

70, 76, and 87

17

20

36

6600

80

17

10

53

8490

45 and 50
46, 60, and 76
70 and 87
100(2)

45 and 50
46, 60, and 76
70 and 87

14

6

118

6000

30 Inch Bar

6

92

10000

16

144

60

36,000

100(2)

mm

Maximum
Handwheel
Output
Force(3)

1. Tangential handwheel force required to produce the handwheel output force shown. (Proportional to handwheel output force).
2. Top-mounted with gear drive.
3. Maximum force available to compress actuator spring.

Table 7. Adjustable Travel Stop Styles (1)
Actuator Size

30

34

40

45

46

50

60 and
667 Size 76

70

87

80

100

657 Up Stop

1

1

1

1

1

1

1

1

1

NOTE 2

NOTE 2

657 Down Stop

2

2

2

2

2

2

2

2

2

---

---

12, 13(3),
14

12, 13(3),
14

12, 13(3),
14

12, 13(3),
14

12

12

13(3)

---

667 Up Stop
667 Down Stop
667 Up and
Down Stop

12, 13(3), 12, 13(3), 12, 13(3),
14
14
14
10
---

10
11

10

10

10

10

10

10

10

---

NOTE 2

11

11(4), P2(5)

11(4), P2(5)

11(4), P2(5)

11(4), P2(5)

---

---

---

---

1. See figure 4.
2. Top-mounted handwheel, see figure 2.
3. Adjustable handwheel up stop.
4. 38 mm (1.5 inch) maximum travel.
5. Adjustable handwheel up and down stop, 19 mm (0.75 inch) maximum travel.

11

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

Figure 5. Fisher 646 Electro-Pneumatic Transducer
on 657 Actuator

D100087X012

Figure 7. Fisher 4200 Position Transmitter on
667 Actuator

W4917-1

Figure 6. Fisher 3582i Valve Positioner on
657 Actuator

W4930

12

W4273-1

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Table 8. Dimensions
ACTUATOR SIZE

DIMENSION
REFERENCE

30

657, -4
667, -4

0
38

25
38

25
38

38
38

38
38

38
38

C

289

333

333

406

473

D

54

54

71

71

71

657
657-4
657MO(1)
657-4 MO

440
--440
---

498
--498
---

548
--548
---

659
--659
---

667
667-4
667MO
657-4 MO

478
--478
---

573
--573
---

594
--594
---

657
667

121
119

164
121

Hs

---

Jc

171

Js
K
M

B

E

60

70

76

80

87

100

38
38

38
38

38
38

--38

-----

38
38

-----

536

406

473

536

473

635

536

729

71

90

90

90

90

127

127

127(2)

656
--656
---

---------

722
--722
---

722
--722
---

840
994
976
1124

---------

1075
--1183
---

938
1089
1057
1204

NOTE 3
--NOTE 4
---

768
--768
---

748
--748
---

---------

784
--784
---

784
--784
---

933
1070
1164
1314

881
--1112
---

1257
--1392
---

1003
1143
1245
1394

1857
--2346
---

164
137

202
159

202
159

-----

202
159

202
159

313
286

--159

227
---

313
286

-----

284

286

375

375

---

378

378

292

222

303

292

401

222

222

222

222

356

222

222

356

356

356

356

---

---

305

305

356

356

---

356

356

432

432

432

432

406

657, -4
667, -4

213
194

222
224

272
244

291
310

291
310

395
---

354
325

354
325

406
375

--375

435
432

780
419

451
451

657, -4
667, -4

-----

226
214

248
248

306
362

306
362

-----

370
378

370
378

446
446

--446

503
503

527
527

NOTE 5
2105

657
657MO
657-4MO

-------

-------

-------

-------

-------

-------

-------

-------

--219
219

-------

254
384
---

--219
219

-------

667
667MO
667-4MO

-------

-------

-------

-------

-------

-------

-------

-------

--219
219

--219
---

254
384
---

--219
219

-------

657, -4
667, -4

0.00
1.50

1.00
1.50

1.00
1.50

1.50
1.50

1.50
1.50

1.50
1.50

1.50
1.50

1.50
1.50

1.50
1.50

--1.50

-----

1.50
1.50

-----

C

11.38

13.12

13.12

16.00

18.62

21.12

16.00

18.62

21.12

18.62

25.00

21.12

28.69

D

2.125

2.125

2.8125

2.8125

2.8125

2.8125

3.5625

3.5625

3.5625

3.5625

5

5

5(2)

657
657-4
657MO
657-4 MO

17.31
--17.31
---

19.62
--19.62
---

21.56
--21.56
---

25.94
--25.94
---

25.81
--25.81
---

---------

28.44
--28.44
---

28.44
--28.44
---

33.06
39.12
38.44
44.25

---------

42.31
--46.56
---

36.94
42.88
41.62
47.38

NOTE 3
--NOTE 4
---

667
667-4
667MO
657-4 MO

18.81
--18.81
---

22.56
--22.56
---

23.38
--23.38
---

30.25
--30.25
---

29.44
--29.44
---

---------

30.88
--30.88
---

30.88
--30.88
---

36.75
42.12
45.81
51.75

34.70
--43.76
---

49.50
--54.81
---

39.50
45.00
49.00
54.88

73.12
--92.38
---

657
667

4.75
4.69

6.44
4.75

6.44
5.38

7.94
6.25

7.94
6.25

-----

7.94
6.25

7.94
6.25

12.31
11.25

--6.25

8.94
---

12.31
11.25

-----

Hs

---

11.19

11.25

14.75

14.75

---

14.88

14.88

11.50

11.50

11.94

11.50

15.78

Jc

6.75

8.75

8.75

8.75

8.75

14.00

8.75

8.75

14.00

8.75

14.00

14.00

---

Js

---

12.00

12.00

14.00

14.00

---

14.00

14.00

17.00

17.00

17.00

17.00

16.00

Hc

N

34

40

45

46

47

50
mm

Inches
B

E

Hc

K

657, -4
667, -4

8.38
7.62

8.75
8.83

10.69
9.62

11.44
12.19

11.44
12.19

15.56
---

13.94
12.81

13.94
12.81

16.00
14.75

--14.75

17.12
17.00

18.88
16.50

17.75
17.75

M

657, -4
667, -4

-----

8.88
8.44

9.75
9.75

12.06
14.25

12.06
14.25

-----

14.56
14.88

14.56
14.88

17.56
17.56

--17.56

19.81
19.81

20.75
20.75

NOTE 5
82.88

657
657MO
657-4MO

-------

-------

-------

-------

-------

-------

-------

-------

--8.62
8.62

-------

10.00
15.12
---

--8.62
8.62

-------

667
667MO
667-4MO

-------

-------

-------

-------

-------

-------

-------

-------

--8.62
8.62

--8.62
---

10.00
15.12
---

--8.62
8.62

-------

N

1. MO = Manual operator.
2. Also available with 7 inch boss.
3. With group 1 springs, E=1959 mm (77.12 inch). With group 2 springs, E=1497 mm (58.94 inch).
4. With group 1 springs, E=2345 mm (92.31 inch). With group 2 springs, E=1883 mm (74.12 inch).
5. With group 1 springs, M=2103 mm (82.81 inch). With group 2 springs, M=1654 mm (65.12 inch).

13

Product Bulletin

657 and 667 Actuators

61.1:657
May 2012

D100087X012

Figure 8. Dimensions (also see table 8)

AU6713-D

657, 667,
657-4, AND 667-4
SIZES 30 THROUGH 87

AU6713-D

657, 667,
657-4, AND 667-4
SIZES 30 THROUGH 87

A0171-2

40A8196

ALL TYPES
SIZES 70, 80, 87, AND
667 SIZE 76

657 AND 667
SIZE 100

Ordering Information
When ordering, specify:

8. Seismic requirements, if critical
9. Ambient temperature range

Application
1. On-off or throttling service

Actuator and Positioner

2. Input signal range

Be sure to specify: actuator type number; whether a
positioner is required; whether a top-mounted
handwheel is required; and whether an adjustable up
or down travel stop is required. Refer to the
Specifications section. Review the information under
each specification and in the referenced tables and
figures. Specify the desired choice wherever there is a
selection to be made.

3. Maximum supply pressure
4. Valve body type and size with which the actuator
will be used
5. Valve plug travel
6. Actuator thrust required with actuator stem both
fully retracted and fully extended

Valve Body and Accessories

7. Stroking time requirements, if critical

Refer to the separate valve body bulletin and bulletins
covering accessories for ordering information.

14

657 and 667 Actuators
D100087X012

Product Bulletin

61.1:657
May 2012

15

Product Bulletin
61.1:657
May 2012

657 and 667 Actuators

D100087X012

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.
Fisher 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.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
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
161990, 2012 Fisher Controls International LLC. All rights reserved.



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