Fisher 3660 - Page 20

Instruction Manual
D101402X012
3660 and 3661 Positioners
September 2015
20
Figure 15. Typical Mounting Dimensions and Connections
ACTUATOR CENTERLINE TO POSITIONER
Type Size
Dimension X
mm Inch
657/667
30
34
40
45/46
50/60
92.2
95.3
104.9
108.0
128.5
3.63
3.75
4.13
4.25
5.06
1250
225
450
675
86.0
86.0
110.0
3.39
3.39
4.33
3024S
1.21
1.31
1.41
83.5
87.5
87.5
3.29
3.44
3.44
Baumann
16in
2
32in
2
54in
2
70in
2
53.8
71.4
71.4
71.4
2.12
2.81
2.81
2.81
GX
225
750
1200
81.0
81.0
81.0
3.19
3.19
3.19
31B3959‐C
C0686‐3
ACTUATOR POST CENTERLINE
34.32
(1.35)
49.2
(1.94)
191.2
(7.53)
93
(3.66)
49
(1.93)
34.32
(1.35)
ACTUATOR POST
CENTERLINE
142.2
(5.60)
49.2
(1.94)
93
(3.66)
ACTUATOR
CENTERLINE
ACTUATOR
CENTERLINE
DIM X
122.3
(4.81)
30
(1.18)
30
(1.18)
21.5
(0.85)
1/4 NPT
OUTPUT
CONNECTION
1/4 NPT
INSTRUMENT
CONNECTION
1/4 NPT
INSTRUMENT
CONNECTION
1/4 NPT
OUTPUT
CONNECTION
122.3
(4.81)
67.5
(2.66)
DIM X
27.5
(1.08)
1/2 NPT
3661 I/P ONLY
mm
(INCH)
67.5
(2.66)
0.5
(.02)
30
(1.18)
30
(1.18)
21.5
(0.85)
1/4 NPT
SUPPLY
CONNECTION
1/4 NPT
SUPPLY
CONNECTION