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ANSI/MSS SP-44-2010

Steel Pipeline Flanges

Covers pressure-temperature ratings, materials, dimensions, tolerances, marking, and testing. Contains 2011 errata sheet.

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Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [MSS]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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