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      The nipple material on standard fittings is ASTM A333 Grade 6 which is suitable for most applications.
The plug is brass with a 3/4" socket and retaining groove for installation using most standard plugging machines
used in small diamter plugging operations. The fitting is rated to 300#. These fittings can be supplied in
300 series stainless steel, some alloys, and Duplex steel. The standard o-ring is Nitrile (Buna-N) 70 durometer
hardness. Other elastomers can be supllied upon request.
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