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18-28-1202.4  Piping materials standards.
   Hydronic pipe shall conform to the standards listed in Table 18-28-1202.4. The exterior of the pipe shall be protected from corrosion and degradation.
Table 18-28-1202.4
Hydronic Pipe
Material
Standard (see Chapter 16)
Material
Standard (see Chapter 16)
Acrylonirile butadiene styrene (ABS) plastic pipe
ASTM D 1527; ASTM D 2282
Brass pipe
ASTM B 43
Brass tubing
ASTM B 135
Copper or copper- alloy pipe
ASTM B 42; ASTM B 302
Copper or copper- alloy tube (Type K, L, or M)
ASTM B 75; ASTM B 88; ASTM B 251
Chlorinated polyvinyl chloride (CPVC) plastic pipe
ASTM D 2846; ASTM F 441; ASTM F 442
Cross-linked polyethylene/aluminum/cross-linked polyethylene (PEX-AL-PEX) pressure pipe
CSA CAN/CSA-B-137.10
Cross-linked polyethlene (PEX) tubing
ASTM F 876; ASTM F 877
Lead pipe
FS WW-P 325B
Polybutylene (PB) plastic pipe and tubing
ASTM D 3309
Polyvinyl chloride (PVC) plastic pipe
ASTM D 1785; ASTM D 2241
Steel pipe
ASTM A 53; ASTM A 106
Steel tubing
ASTM A 254