Actuators - 48

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MODEL 48
SPRING/DIAPHRAGM ROTARY ACTUATORS

Models 48D and 48R are multi-spring, single act ing, spring opposed, rotary ac tu a tors used with Cash co rotary control valves. Regardless of final installed fail ure action, the ac tu a tor is always pres sur ized on “top” of the traveling diaphragm plate.

Cashco has adopted a convention as follows in iden ti fy ing its rotary actuators:
“D” = Direct Action = ATC-FO Action
“R” = Reverse Action = ATO-FC Action

The Model 48 actuator is field re vers ible by ar range ment of actuator with respect to valve stem and valve plug/ disc orientation. Some dis as sem bly is re quired, but no new parts are re quired.

Reference the technical bulletin of the valve body these actuators are unitized with for operating/in stal la tion/ se lec tion spe