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Swage(d) Nipples and Bull Plugs

This Standard Practice covers dimensions, finish, tolerances, marking, and material for carbon steel and alloy steel Swaged (a) Nipples (male-end reducing fittings), NPS 1/8 through NPS 12 (DN 6 through DN 300) and Bull Plugs (hollow or solid male closures), NPS 1/8 through NPS 12 (DN 6 through DN 300). These fittings are made with ends that are threaded, beveled, square cut, grooved, or any combination of these. Both concentric and eccentric Swaged Nipples are included.
Partial Compliance Fittings Fittings with special dimensions and fittings made from non-standard materials may be designed and manufactured by agreement between the manufacturer and the purchaser, provided they are marked in accordance with the requirements for partial compliance fittings of Section 4.1(e).


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