chilled water system
chilled water system
(OP)
trying to explain to a client who has just enuf. knowledge to be dangerous , we have a chilled water system install , we feel that this system falls under B31.9 , per the B31.9's definitions in the Scope portion of the documents . opinions anyone





RE: chilled water system
come under the rules of ANSI/ASME B31.1, or is there a more appropriate ANSI/ASME B31
Code for this piping?
Reply: The rules of ANSI/ASME B31.1 do not apply to the piping described. Other Codes such
as, for example, ANSI B3 1.5, Refrigeration Piping, should be consulted to determine the appropriateness
of these Codes for the requirements. If none of these Codes specifically apply, ASME B31 Code Case
137 allows use of any ANSI/ASME piping Code, including ANSIIASME B3 1.1. A new ANSI/ASME
piping Code, B3 1.9 Building Services Piping, has been approved and published. ANSI/ASME B3 1.9 will
cover chilled water systems.
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