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Data sheet
Sheet No.:
A1.501.05 Rev. A
Date: November 2009
Y
Factory option:
Fail to Open
B
A
L
L
D
D
C
C
Dim.
in inch.
E25
E40
E65
E100
A DA
6.26
7.09
7.83
8.70
B SR
6.77
8.03
9.80
10.51
C
3.15
3.66
4.13
4.65
D
0.79
0.79
0.79
0.79
H
2.91
3.39
3.86
4.25
I
1.81
2.01
2.26
2.48
J1
1.11
1.38
1.57
1.72
L
0.45
0.61
0.61
0.73
Y
1/4"-20 5/16"-18 5/16"-19 3/8"-16 3/8"-16 1/2"-13 1/2"-13 5/8"-11 5/8"-11 3/4"-10
X
1.42
1.63
1.63
1.99
X max.
1.63
1.91
1.91
2.30
TM
www.El-O-matic.com
Copyright © Emerson Process Management. The information in this document is subject to change without notice.
Updated data sheets can be obtained from our website www.El-O-Matic.com or from your nearest Valve Automation Center USA: +1 813 319 0266 Europe: +31 74 256 10 10 Asia-Pacific: +65 6501 4600
EL-O-MATIC ACTUATOR WITH DOUBLE STROKE ADJUSTMENT
Open
adjustable
stopscrew (2)
range
3°
10°
3°
10°
15°
3°
Closed
stopscrew (1)
Y
I
B
X
I
A
L
L
X
J
1
J
1
H
Actuator type
E150
E200
E350
E600
10.00
11.14
12.01
15.35
12.20
14.17
15.24
18.90
5.51
5.63
7.13
8.66
0.79
0.79
0.79
1.18
4.76
5.04
6.81
8.15
2.76
2.87
3.71
4.45
1.92
2.12
2.85
3.50
0.97
0.97
0.97
1.63
2.36
2.46
2.85
4.02
2.64
2.91
3.31
4.51
Description
Actuators with double stroke adjustment are normally used for high performance butterfly valves
where a fine adjustment is required for the closed position. In this version adjustment is provided
at the end of the opening and closing stroke positions. DSA actuators may be double acting or
spring return, though are normally used as spring return (fail close) actuators.
Operation
The closed position is adjusted by means of the stop-screw (1) located in the actuator body and
for the open position by the stop-screws (2) in the actuator end caps.
15°
Identification
See data sheet A1.102.10
3°
Specification
Pressure
Operating media
Torque (90°)
Rotation -
- Spring return
- Double acting
Other dimensions
Temperature
Adjustable range
Note
1) Can be provided with extra long end-cap stop screws for full range adjustment of the "open"
H
position.
E950
E1600
2) This DSA option is not required on actuators fitted with manual override gearboxes, as MO
gearboxes already incorporate this function.
17.32
20.47
20.94
25.24
Important
10.20
11.69
1) "Fail open" is factory option.
1.18
1.18
2) When assembled for "fail open" operation (code D; see data sheet A1.504), both stop-screws
9.09
264.00
(1) and (2) will adjust the closed position. There is no adjustment for the open position!
4.96
5.59
4.03
4.50
1.63
1.87
4.02
4.31
4.51
4.88
Factory option:
"Fail open"
Stroke adjustment cam
: Up to 120 psi
: Air, dry or lubricated or non-corrosive gas
: Data sheet A1.104.01 - A1.104.02
: Clock-wise on air failure.
: Counter clock-wise with port "A" pressurised.
: Data sheet A1.103.XXX
: -4° to +176° F
: Closed position (1), -3° - 15°
Open position (2), 80° - 93°
2
1
1
2
DSA
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