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ASTM A1111-22 Red

Standard Specification for Cast Iron Closet Flanges for Use with Cast Iron Soil Pipe and Fittings in Gravity Flow Plumbing Drain, Waste, and Vent Sanitary Applications (Standard + Redline PDF Bundle)


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ASTM International [astm]


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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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