Emerson Fisher M Series Instruction Manual
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Emerson Fisher M Series Instruction Manual

Emerson Fisher M Series Instruction Manual

Handwheel gear actuator
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Instruction Manual
D500237X012
M Series Manual Handwheel Gear Actuator
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Introduction

Scope of Manual

This instruction manual includes installation, operation, maintenance, and parts ordering information for M Series
manual handwheel gear actuators. Refer to separate manuals for instructions covering the valves used with these
actuators.
Do not install, operate, or maintain an M Series handwheel gear 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 of the contents of this manual, including all safety cautions
and warnings. If you have any questions about these instructions, contact your
proceeding.

Description

M Series handwheel gear actuators (figure 1) are totally enclosed, weatherproof, worm gear actuators for reliable
manual operation with Fisher A11, A31A and A41 High Performance Butterfly Valves. The M actuator consists of a
body housing, cover, worm gear, input shaft, and handwheel. The housing is grease packed.

Specifications

Specifications for the M Series manual handwheel gear actuators are shown in table 1.
www.Fisher.com
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M Series Actuator
Emerson sales office
before
February 2019

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Summary of Contents for Emerson Fisher M Series

  • Page 1 To avoid personal injury or property damage it is important to carefully read, understand, and follow all of the contents of this manual, including all safety cautions and warnings. If you have any questions about these instructions, contact your Emerson sales office before proceeding.
  • Page 2 Instruction Manual M Series Actuator February 2019 D500237X012 Table 1. Specifications Actuator Sizes Construction Materials Housing and Cover: Cast iron See tables 2, 3 and 4 Worm: Steel Valve Compatibility Worm Gear: Manganese Bronze Accepts A11 valve square‐end shafts from 10.3 to Input Shaft: Steel (303 SST on request) 34.9 mm (13/32 to 1‐3/8 inches), keyed shafts from Handwheel: Cast Iron...
  • Page 3 Instruction Manual M Series Actuator D500237X012 February 2019 Installation WARNING To avoid personal injury or property damage resulting from the sudden release of pressure, do not install the actuator where service conditions could exceed the limits given in this manual or on the appropriate nameplates. Use pressure‐relieving devices as required by government or accepted industry codes and good engineering practices.
  • Page 4 Instruction Manual M Series Actuator February 2019 D500237X012 Table 3. M Series Gear Actuator for A31A MAXIMUM VALVE NUMBER MAXIMUM TORQUE VALVE HANDWHEEL RECOMMENDED RIM FORCE SHAFT ACTUATOR OF TURNS RATING OF ACTUATOR SIZE, NPS DIAMETER, TORQUE SIZE, SIZE INCHES INCHES CLOSE lbSin...
  • Page 5 Instruction Manual M Series Actuator D500237X012 February 2019 Table 5. M Series Mounting Plate to Gearbox Type M Actuator Bolt Size Bolt Torque nSm Bolt Torque lbSf A11 and A31A Compatible 10KE‐6 A41 Compatible 0KE/D1 5/16 16.5 0KE/D2 5/16 16.5 0KE/D3 5/16 16.5...
  • Page 6 Use only genuine Fisher ™ replacement parts. Components that are not supplied by Emerson Automation Solutions should not, under any circumstances, be used in any Fisher valve, because they will void your warranty, might adversely affect the performance of the valve, and could give rise to personal injury and property damage.
  • Page 7 Instruction Manual M Series Actuator D500237X012 February 2019 Figure 2. Available Mounting Positions POSITION 1 VALVE BODY FLOW DIRECTION FOR RIGHT‐HAND POSITION 2 MOUNTING FLOW DIRECTION POSITION 4 FOR LEFT‐HAND MOUNTING 30B0668‐A A7133 POSITION 3 NOTE: ONLY POSITIONS 1 AND 3 ARE APPLICABLE TO A41.
  • Page 8 Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. Fisher is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co.

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