SECTION 232113 - HYDRONIC PIPING

Pipe: Black Steel, welded or seamless wall pipe, schedule 40 ASTM A 120 or A 53, ANSI B36.10. Welded joints. Fittings: Pipe Sizes 2 Inch or Smaller: Socket-welding fittings, 2000 lb, ASTM A 181, ANSI B16.11. Pipe Sizes 2-1/2 Inch or Larger: Butt-welding fittings, schedule 40, ASTM A 234, ANSI B16.9. ................
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