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MSS SP-101-2014
Part-Turn Valve Actuator Attachment FA Flange and Driving Component Dimensions and Performance Characteristics
This Standard Practice provides a basis for the standardization of part-turn actuator mounting dimensions and performance characteristics necessary for their attachment to general purpose industrial valves. It covers only those actuators supplied by manufacturers as separate components.
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]