SECTION 232113- HVAC PIPING SYSTEMS AND SPECIALTIES

Threads per ANSI b.1.20.1 and thread-o-lets. Threaded: American Standard for Pipe Threads ANSI B2.1 2-1/2 inch and Larger: Steel; ASTM A234, butt welded, long radius ells, and weld o lets. Flanges: ANSI B 16.5, weld neck, raised faced with gaskets. ................
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