Which standard is used for CPVC plastic pipe fittings?

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Prepare for the NFPA 13R: Sprinkler Systems for Low-Rise Residences Test. Utilize flashcards, multiple choice questions, and detailed explanations to excel. Ace your exam with confidence!

Multiple Choice

Which standard is used for CPVC plastic pipe fittings?

Explanation:
CPVC fittings are governed by a standard that specifically defines CPVC plastic fittings used with CPVC piping, ensuring compatibility in size, joint method, and performance. The standard for CPVC plastic pipe fittings is ASTM F437, which covers the fittings (such as hub and slip types) designed to mate with CPVC pipe and meet the same service conditions as the pipe. This is why it’s the correct reference for CPVC fittings in residential sprinkler systems. The other standards either relate to CPVC pipe itself or to metallic fittings, so they do not specify CPVC plastic fittings.

CPVC fittings are governed by a standard that specifically defines CPVC plastic fittings used with CPVC piping, ensuring compatibility in size, joint method, and performance. The standard for CPVC plastic pipe fittings is ASTM F437, which covers the fittings (such as hub and slip types) designed to mate with CPVC pipe and meet the same service conditions as the pipe. This is why it’s the correct reference for CPVC fittings in residential sprinkler systems. The other standards either relate to CPVC pipe itself or to metallic fittings, so they do not specify CPVC plastic fittings.

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