Emerson Fisher 585C Series Instruction Manual page 4

585C Actuator
October 2013
Table 2. Fisher 585C Piston Cylinder Clearance Volumes
Piston Area
Actuator
Size 2
cm
25 168
50 303
60 358
68 571
80 571
100 842
130 1430
Piston Area
Actuator
Size 2
cm
25 168
50 303
Table 3. Yoke Boss and Valve Stem Diameters
ACTUATOR SIZE
25
50
60
68
80
100
130
1. Heavy actuator to bonnet bolting.
4
PISTON AT TOP OF CYLINDER (SPRINGS BELOW PISTON FOR SIZE 25 AND 50)
Maximum Actuator Travel
2
Inches cm
26 2.9
47 5.1
5.1
10
55.5
20
5.1
10.2
88.5
20.3
10.2
88.5
20.3
10.2
130.5
20.3
10.2
221.5
20.3
PISTON AT BOTTOM OF CYLINDER (SPRINGS ABOVE PISTON FOR SIZE 25 AND 50)
Maximum Actuator Travel
2
Inches cm
26 2.9
47 5.1
YOKE BOSS DIAMETER
mm
54
71
71
90
90
90
127
127
127
Upper Clearance Volume
3
Inches cm
1.125 104
2 330
2 310
4 310
8 310
2 1230
4 1230
8 1230
4 1230
8 1230
4 1700
8 1700
4 4600
8 4600
Lower Clearance Volume
3
Inches cm
1.125 77
2 350
Inches
2-1/8
2-13/16
2-13/16
3-9/16
3-9/16
3-9/16
5, 5H
5, 5H
5, 5H
Instruction Manual
Volume Below Piston
3 3
Inches cm
6.3 1750
20 5200
19 2700
19 4400
19 8200
75 7500
75 7500
75 13300
75 7500
75 13300
104 10700
104 19200
280 18500
280 33000
Volume Above Piston
3 3
Inches cm
4.7 1790
22 5200
VALVE STEM DIAMETER
mm Inches
9.5
12.7
12.7
19.1
19.1
19.1
25.4
31.8 1-1/4
25.4
31.8 1-1/4
25.4
31.8 1-1/4
D102087X012
3
Inches
107
320
163
270
500
460
460
810
460
810
650
1170
1130
2000
3
Inches
109
320
3/8
1/2
1/2
3/4
3/4
3/4
1
1
1