Emerson Fisher 1051 and 1052 Handbook

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Fisher
r
1052 Size 20 Diaphragm Rotary Actuator
with F and G Mounting Adaptation
Contents
Introduction 1.................................
Scope of manual 1.............................
Description 1.................................
Specifications 1...............................
Principle of Operation 2........................
Installation 2...................................
Mounting Procedure 3.........................
Adjusting Spring Compression 5.................
Initial Compression 5.......................
Stroking Range 6..........................
Maintenance 6.................................
Disassembly 7................................
Assembly 7...................................
Changing Actuator Mounting 8..................
Top‐Mounted Handwheel 9......................
Parts Ordering 10...............................
Parts Kits 11...................................
Parts List 11...................................
Figure 1. Fisher 1052 Size 20 Actuator with
Positioner
W5030
Introduction
Scope of Manual
This instruction manual includes installation, adjustment, operation, maintenance, and parts information for the
1052, size 20, Style F and G diaphragm rotary actuator (figure 1), and the optional top‐mounted handwheel (figure 4).
Instructions for the control valve, rotary positioners, and accessories are included in separate manuals.
Do not install, operate, or maintain a 1052 actuator without being fully trained and qualified in valve, actuator, and
accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to
carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you
have any questions about these instructions, contact your Emerson Process Management sales office before
proceeding.
Description
The spring‐and‐diaphragm actuator is used on small rotary shaft valves for throttling or on‐off applications. It mounts
to V150 Vee‐Ball™ valves, V500 valves, eccentric disc valves, and butterfly valves with 3/8 inch and 1/2 inch splined
shafts. The actuator accepts a 3610J, 3620J, or PMV positioner. A top‐mounted handwheel is available for the unit.
Specifications
Specifications are shown in table 1 for 1052 Style F & G size 20 actuators. Some specifications for a given actuator, as it
originally comes from the factory, are shown on the nameplate attached to the actuator.
Instruction Manual
D100322X012
1052 Size 20 Actuator (F & G)
February 2011