products 
Fisher® 656 
The Fisher® 656 actuator is a bracket-mounted, direct-acting, diaphragm actuator for either throttling or on-off service. Principal applications include operation of butterfly valves and built-in turbine valves, louvers, dampers, and other similar equipment.
DocumentationFeatures & BenefitsSpecifications
 Product & Service Documentation
 Data Sheets - Bulletins - Catalogs
 Fisher® 656 Diaphragm Actuator
102 KBpdfApril 2010F
English
 Manuals & Guides
 Fisher® 656 Diaphragm Actuator
169 KBpdfApril 2010G
English
Fisher 656
Quick Links