For copper fittings that are cast solder joints, which standard applies?

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Multiple Choice

For copper fittings that are cast solder joints, which standard applies?

Explanation:
Cast copper alloy fittings that use solder joints are governed by ASME B16.18. This standard specifically covers cast copper alloy fittings and provides the dimensions, tolerances, and pressure ratings for fittings joined by solder. The other standards address different categories—wrought solder-joint fittings (B16.22), socket-welded and threaded fittings (B16.11), or flanges for cast iron/steel (B16.1)—so they aren’t the correct reference for cast solder-joint copper fittings.

Cast copper alloy fittings that use solder joints are governed by ASME B16.18. This standard specifically covers cast copper alloy fittings and provides the dimensions, tolerances, and pressure ratings for fittings joined by solder. The other standards address different categories—wrought solder-joint fittings (B16.22), socket-welded and threaded fittings (B16.11), or flanges for cast iron/steel (B16.1)—so they aren’t the correct reference for cast solder-joint copper fittings.

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