Emerson 3024C - Manual
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Table of Contents:
- Page 2 – Instruction Manual; Specifications
- Page 5 – Installation; WARNING
- Page 7 – Note; Actuator Maintenance; Key numbers refer to figures 8 and 9.
- Page 8 – even when the valve has; Disassembly
- Page 9 – Assembly
- Page 11 – lbf; CAUTION; Changing the Actuator Action; Refer to figure 10 for key numbers.
- Page 12 – Adjustable Travel Stops
- Page 13 – Actuator Dimensions; Refer to figures 6 and 7 and table 5 for dimensions.
- Page 14 – Parts Ordering; Use only genuine Fisher
- Page 17 – Parts List; Actuator
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D103048X012
Type 3024C Diaphragm Actuator
Contents
Introduction
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual
1
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Description
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting the Actuator on the Valve
5
. . . . . . . . .
Actuator Maintenance
7
. . . . . . . . . . . . . . . . . . . . . .
Disassembly
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing the Actuator Action
11
. . . . . . . . . . . . .
Side-Mounted Handwheel
11
. . . . . . . . . . . . . . . .
Adjustable Travel Stops
12
. . . . . . . . . . . . . . . . . .
Parts Ordering
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
Scope of Manual
This instruction manual provides information on
installation, adjustment, maintenance, and parts
ordering for the Type 3024C actuator (figure 1) for
sizes 30 to 45 and 30E to 45E.
Note
This manual assumes throughout that
the valve construction is
“push-down-to-close.”
Do not install, operate, or maintain a Type 3024C
actuator without first
D
being fully trained and
qualified in valve, actuator, and accessory
installation, operation and maintenance, and
D
carefully reading and understanding the contents of
this manual. If you have any questions about these
instructions contact your Emerson Process
Management
t
sales office before proceeding.
Figure 1. Type 3024C Actuator with Sliding-Stem Valve
W8488
Note
Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use and maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end-user.
Description
The Type 3024C direct acting (extends
stem/air-to-close) actuator (figure 8) and the reverse
acting (retracts stem/air-to-open) actuator (figure 9)
are spring-opposed pneumatic diaphragm actuators
that provide automatic throttling or on-off operation
of sliding-stem control valves.
The actuator will position the valve plug in response
to varying pneumatic loading pressure on the
actuator diaphragm. Figure 2 shows the operation of
Instruction Manual
Form 5760
March 2007
3024C Actuator
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Summary
3024C Actuator Instruction Manual Form 5760 March 2007 2 Figure 2. Schematic of Type 3024C 1Q57489 AIRĆTOĆCLOSE (ATC) AIRĆTOĆOPEN (ATO) an ATC (air-to-close) actuator and an ATO(air-to-open) actuator. The Type 3024C ATC (air-to-close) actuator springsare located under the diaphragm plate and they fu...
3024C Actuator Instruction Manual Form 5760March 2007 5 Table 4. Handwheel Specifications ACTU- ATOR SIZE HAND- WHEEL DIAMETER TURNS PER mm/INCH TRAVEL RIM FORCE (1,2) HAND- WHEEL OUTPUT FORCE SIZE mm In. mm In. N lb N lb 30 and 30E 200 7.87 0.24 6.1 179 40 5000 1125 34, 34E, 40, and 40E 250 9.84 0....
3024C Actuator Instruction Manual Form 5760March 2007 7 g. Slowly decrease and then increase thediaphragm pressure several times stroking thevalve from the lower end to the upper end of thespring range. h. Apply air pressure to the diaphragm until thevalve is in the closed position. Loosen the screw...
