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Malleable Iron Fittings are designed to conform with the following industry standards:
Materials: | ASTM A-197 | Cupola Malleable |
| ASTM A-153 | Zinc Coatings |
Dimensions: | ANSI B16.3 | Malleable Iron Threads |
| ANSI B16.14 | Ferrous Pipe Plugs, Bushings, etc... |
| ANSI B16.39 | Malleable Iron Threaded Pipe Unions |
Threads: | Pipe Threads | see below... |
All fittings shall be threaded with American National Standard Pipe Threads (ANSI B1.20.1) and shall have tapered threads, except wrought couplings and wrought caps in sizes 1/8, 1/4, 3/8 and 1/2, which may have straight threads.
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