Example: quiz answers
Search results with tag "Fisher 657"
Product Bulletin Fisher 657-667 Diaphragm Actuators
www.emerson.com657 ACTUATOR 667 ACTUATOR W2174-2 W1916-3 Fisher 657 and 667 Actuators Mounted on easy-e Valves Cold Service Applications—Enhanced product specifications for all sizes of 657 and 667 diaphragm actuators allow performance to -50C (-58F). Use of a positioner is recommended to ensure responsiveness in applications operating below-40C (-40F).
Fisher 657 and 667 Size 30i - 76i Diaphragm Actuators
www.emerson.comwww.Fisher.com Fisher™ 657 and 667 Size 30i - 76i Diaphragm Actuators Fisher 657 and 667, size 30i to 76i, spring-opposed diaphragm actuators position the valve plug in the valve in response to varying controller or valve positioner pneumatic output signals applied to the actuator diaphragm. Zero setting of the actuator is