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Reducing Couplings
A full range of black carbon steel reducing couplings to ASME B16.11 is available here on our website, this includes sizes up to 4” x 3” nominal bore. These pipe fittings are all forged from black (self-colour) ASTM A105N carbon steel and conform to the ASME B16.11:2016 and BS 3799:1974 standards.
Our ASME B16.11 reducers come with either BSPT threads to ISO 7-1 (BS EN 10226) or NPT threads to ASME B1.20.1, they’re manufactured in Europe and come with 3.1 test certificates. These forged fittings are 3000lb/psi (206 bar) pressure rated and generally used in high pressure/temperature installations with ASTM A106 seamless steel tube.
2 1/2" x 2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
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3" x 1 1/2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
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3" x 1 1/4" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
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3" x 1" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fittin..
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3" x 2 1/2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
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3" x 2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fittin..
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3" x 1 1/2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
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3" x 1 1/4" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
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3" x 1" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fitti..
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3" x 2 1/2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
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3" x 2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fitti..
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4" x 2 1/2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
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4" x 2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fittin..
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4" x 3" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fittin..
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4" x 2 1/2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
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4" x 2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fitti..
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4" x 3" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fitti..
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