N.Y.C. Admin. Code § MC 1202: Section MC 1202: Material

1202.1 Piping.

Piping material, other than those contained within this section and conforming with the ASTM standards listed within this chapter, shall be of an approved type.

Exception: Embedded piping regulated by Section 1209, and ground-source heat pump loop systems regulated by Section 1210.

1202.2 Used existing materials.

Reused pipe, fittings, valves or other materials shall be clean and free of foreign materials.

1202.3 Material rating.

Materials shall be rated for the operating temperature and pressure of the hydronic system. Materials shall be suitable for the type of fluid in the hydronic system.

1202.4 Piping materials standards.

Hydronic pipe shall conform to the standards listed in Table 1202.4. The exterior of the pipe shall be protected from corrosion and degradation.

Table 1202.4 Hydronic Pipe

Material

Standard (see Chapter 15)

Acrylonitrile butadiene styrene (ABS) plastic pipe

ASTM D 1527; ASTM F 2806

Chlorinated polyvinyl chloride (CPVC) plastic pipe

ASTM D 2846; ASTM F 441; ASTM F 442

Copper, brass or copper-alloy pipe

ASTM B 42; ASTM B 43; ASTM B 302

Copper, brass or copper-alloy tube (Type K, L or M)

ASTM B 75; ASTM B 88; ASTM B 135; ASTM B 251

Cross-linked polyethylene/aluminum/cross-linked polyethylene (PEX-AL-PEX) pressure pipe

ASTM F 1281;CSA B137.10

Cross-linked polyethylene (PEX) tubing

ASTM F 876; ASTM F 877

Ductile iron pipe

AWWA C115/A21.15; AWWA C151/A21.51

Polyethylene/aluminum/polyethylene (PE-AL-PE) pressure pipe

ASTM F 1282; CSA B137.9

Polypropylene (PP) plastic pipe

ASTM F 2389

Polyvinyl chloride (PVC) plastic pipe

ASTM D 1785; ASTM D 2241

Raised temperature polyethylene (PE-RT)

ASTM F 2623; ASTM F 2769

Steel pipe

ASTM A 53 / A 53M; ASTM A 106

Steel tubing

ASTM A 254

1202.5 Pipe fittings.

Hydronic pipe fittings shall conform to the respective pipe standards or to the standards listed in Table 1202.5.

Table 1202.5 Hydronic Pipe Fittings

Material

Standard (see Chapter 15)

Copper, brass, and copper alloys

ASME B16.15; ASME B16.18; ASME B16.22; ASME B16.24; ASME B16.26; ASME B16.51; ASTM F 1974

Ductile iron and gray iron

ANSI/AWWA C110/A21.10; AWWA C153/A21.53; ASTM A 126; ASTM A 395; ASTM A 536; ASTM F 1476; ASTM F 1548

Malleable iron

ASME B16.3

PE-RT fittings

ASTM F 1807; ASTM F 2098; ASTM F 2159; ASTM F 2735; ASTM F 2769

PEX fittings

ASTM F 877; ASTM F 1807; ASTM F 2159

Plastic

ASTM D 2466; ASTM D 2467; ASTM F 438; ASTM F 439; ASTM F 877; ASTM F 2389; ASTM F 2735

Steel

ASME B16.5; ASME B16.9; ASME B16.11; ASME B16.28; ASTM A 53/A 53M; ASTM A 106; ASTM A 234; ASTM A 420; ASTM A 536; ASTM A 395; ASTM F 1476; ASTM F 1548

1202.6 Valves.

Valves shall be constructed of materials that are compatible with the type of piping material and fluids in the system. Valves shall be rated for the temperatures and pressures of the systems in which the valves are installed.

1202.7 Flexible connectors, expansion and vibration compensators.

Flexible connectors, expansion and vibration control devices and fittings, when used, shall protect the components of the hydronic system from damage caused by expansion, contraction, transverse movement, angular deflection and vibration, shall be rated for the temperatures and pressures of the systems in which the devices are installed, and shall be compatible with the fluid and all materials provided.