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This practice provides guidance in the selection of manual and power-actuated valve operators. The selection criteria for manual valve operators apply to handwheels and tee-wrenches. The selection criteria for power-actuated valve operators, on the other hand, apply to stem nut and handwheel driven valve operators of the electric, pneumatic, and hydraulic types.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This practice provides guidance in the selection of manual and power-actuated valve operators.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ANSI StandardB16.5 Pipe Flanges and Flanged Fittings Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
ICS Number Code 47.020.30 (Piping systems)
UNSPSC Code 40170000(Pipe piping and pipe fittings)