Which standard covers gray iron threaded fittings?

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Multiple Choice

Which standard covers gray iron threaded fittings?

Explanation:
Gray iron threaded fittings are defined by ASME B16.4. This standard specifies the dimensions, tolerances, and pressure ratings for gray iron cast-iron threaded pipe fittings used in piping systems, ensuring proper compatibility with standard threaded connections. ASTM A234 covers wrought steel and alloy fittings, not gray iron. Gauge pressure is a measurement, not a standard, and Light Hazard Occupancies are classifications, not fitting standards. So the standard that covers gray iron threaded fittings is ASME B16.4.

Gray iron threaded fittings are defined by ASME B16.4. This standard specifies the dimensions, tolerances, and pressure ratings for gray iron cast-iron threaded pipe fittings used in piping systems, ensuring proper compatibility with standard threaded connections. ASTM A234 covers wrought steel and alloy fittings, not gray iron. Gauge pressure is a measurement, not a standard, and Light Hazard Occupancies are classifications, not fitting standards. So the standard that covers gray iron threaded fittings is ASME B16.4.

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