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

• 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