ASTM A74—13A Standard Specification for Cast-iron Soil Pipe and Fittings (PDF Download)
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1.1 This specification covers cast iron soil pipe and fittings for use in gravity flow plumbing, drain, waste and vent sanitary, and storm water applications. It establishes standards covering material, manufacture, mechanical and chemical properties, coating, test methods, inspection, certification, product markings, dimensions, and dimensional tolerances for extra heavy and service cast iron soil pipe and fittings. These pipe and fittings are not intended for pressure applications as the selection of the proper size for sanitary drain, waste, vent, and storm drain systems allows free air space for gravity drainage.
1.2 This specification covers pipe and fittings of the following patterns and, when so designated, shall apply to any other patterns that conform with the applicable requirements given in this specification.
|
| Tables |
| 1/4 bends; long 1/4 bends | 3, 4 |
| 1/4 bends, long low-hub | 5 |
| 1/4 bends, low heel; high heel | 6, 7 |
| 1/4 bends, short sweep; long sweep | 8 |
| 1/4 bends, reducing long sweep | 9 |
| 1/5 bends | 10 |
| 1/6 bends | 10 |
| 1/8 bends; long 1/8 bends | 11 |
| 1/16 bends | 11 |
| Y branches | 12, 13 |
| Y branches, combination 1/8 bends, single | 14 |
| Y branches, combination 1/8 bends, double | 14 |
| Sanitary T branches, single | 15 |
| Sanitary T branches, double | 15 |
| Sanitary T branches, cleanout | 16 |
| Tapped sanitary T branches, single | 17 |
| Tapped sanitary T branches, double | 17 |
| T branches, single and double | 18 |
| Tapped T branches, single | 19 |
| Tapped T branches, double | 19 |
| T branches, cleanout | 20 |
| -45° offset fitting | 21 |
| Double hubs | 22 |
| Long double hubs | 22 |
| Reducers | 23 |
| Increasers | 24, 25 |
| P traps | 26, 27 |
| Deep seal P traps | 28 |
| Running traps | 29 |
| Screw plugs (brass) | 30 |
| Blind plugs | 31 |
| Iron-body ferrules | 32 |
| Side inlets | Fig. 3 |
| Closet bends | 33 |
| Tapping bosses | 34 |
| Reducing 1/4 bend SV | 35 |
| Combination Y and 1/8 bend | 36 |
| ‘H’ branch fitting | 37 |
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
This standard is referenced in the 2015 International Building Code® and International Residential Code®.