AWWA C219-17 Bolted Sleeve-Type Couplings for
2021-4-2 · Section 1 : General. Sec. 1.1 Scope - This standard describes bolted, sleeve-type couplings, reducing or transition couplings, and flanged coupling adapters used to join plain-end steel and ductile-iron pipe. They may be manufactured from carbon steel, stainless steel, ductile iron, or malleable iron, and are intended for use in systems conveying water.
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