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Bonney Forge MSS-SP-83 forged steel threaded unions, forged steel lug nut unions, steel pipe unions, and forged steel socket weld in class 3000 and 6000. Lug Nut Unions in class 3000. Use Bonney Forge forged steel rockwood unions for the ultimate operation and durability.

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Product standards & features

Applicable standard range

SIZE 1/8 NPS - 4 NPS
CLASS 3000, 6000

Applicable standards

Design MSS SP-83
Inspection & testing MSS SP-83
Marking MSS SP-25

Applicable end finishes

Face to face MSS SP-83
Socket weld ASME B16.11
Screwed ends (NPT) ASME B1.20.1