18-29-605.5 Water distribution pipe.

Water distribution pipe shall conform to NSF 61 and shall conform to one of the standards listed in Table 18-29-605.5. All hot water distribution pipe and tubing shall have a minimum pressure rating of 100 psi (690 kPa) at 1805°F (825°C).

Table 18-29-605.5
Water Distribution Pipe

Material	Standard
Brass pipe	ASTM B 43
Chlorinated Polyvinyl Chloride (CPVC) plastic pipe and tubing a	ASTM D 2846; ASTM F 441; ASTM F 442; CSA B 137.6
Polypropylene (PP) plastic pipe and tubing a	ASTM F 1412
PVDF plastic pipe and tubing a	ASTM F 1412
Copper or copper-alloy pipe	ASTM B 42; ASTM B 302
Copper or copper-alloy tubing (Type K, L, or M)	ASTM B 74; ASTM B 88; ASTM B 251; ASTM B 447
Galvanized steel pipe	ASTM A 53

a For secondary water used in process applications only.

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