Series 657

Quick Specs
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Sizes: 30 through 70 and 657-80
Travel Range: ¾” Size 30, through 3” Sizes 70 and 80
Output Thrust (lbs): 2300 Size 30, through 14150 Size 80


The CVS Series 657 Actuator is a direct acting, spring opposed diaphragm actuator used for automatic operation of control valves. Suitable for on/off or throttling service.