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Powers 593 Series Flowrite II Heavy Duty Bronze Globe Control Valves User Manual

46” actuator

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• Up to 1380 lbs. of

force

• Excellent range

control

• Accurate repetitive

positioning

• Dual NAMUR

Accessory Mounts

• Field Reversible

• “Long-life” design

lasts over one
million cycles

46” Actuator

Powers’ most popular actuator is

powerful, durable, and versatile.

TABLE OF CONTENTS

Features . . . . . . . . . . . . . . . . . . . . . . . .2

Description . . . . . . . . . . . . . . . . . . . . .3

Guide to Applications . . . . . . . . . . . . .3

Operation . . . . . . . . . . . . . . . . . . . . . .3

Installing an Actuator . . . . . . . . . . . . .4

Changing Springs . . . . . . . . . . . . . .4-5

Changing Action . . . . . . . . . . . . . . .6-7

Preload . . . . . . . . . . . . . . . . . . . . . . . .8

Replacing a Diaphragm . . . . . . . . .9-10

Parts List . . . . . . . . . . . . . . . . . . .11-13

Spring Range Matrix . . . . . . . . . . . . .13

Modification Data Table . . . . . . .14-16

TI-593-672