Fisher® 655 and 655R Actuators for Self-Operated Control0 pages

Product Bulletin

655 Actuator

61.9:655
December 2012

D100148X012

Fisherr 655 and 655R Actuators
for Self-Operated Control
Fisher 655 and 655R diaphragm actuators, in
combination with Fisher valves, provide control for a
wide variety of pressure regulation applications. The
655 is used for pressure reduction service on
push-down-to-close valves, and the 655R is primarily
for pressure relief use on push-down-to-open valves.
These actuators may be either self-operated or
remote-loaded.

Features

Versatility–Typical industrial service includes
pressure control of water, steam, oil, gas, and other
fluids. Actuators can be operated by pneumatic
switches, solenoid valves, pilot valves, or remote
panel loaders for shutoff service.

Broad Actuator Spring Selection–Spring of the
proper rate is available for nearly any control valve
application. Spring selection procedure is quick and
accurate.

Severe Service Capability–Rugged yoke and casings
help provide stability and corrosion protection.

Fast Acting– Direct-operated configuration
provides faster speed of response.

Fisher 655R on Reverse-acting easy-et Valve Body

Large Valve Body Selection–easy-e valves up
through the NPS 4 (NPS 6 for Fisher EA angle valves)
with wide choice of end connections, flow
directions, flow characteristics, valve plug designs,
and seating constructions can be specified.

W2239

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Fisher 655-ED Construction Details