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Reducing Couplings

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.

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1/4 x 1/8" NPT Black Carbon Steel Reducing Coupling (3000lb)
1/4" x 1/8" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£4.79

Qty

1/4" x 1/8" BSPT Black Carbon Steel Reducing Coupling (3000lb)
1/4" x 1/8" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£5.39

Qty

3/8" x 1/4" BSPT Black Carbon Steel Reducing Coupling (3000lb)
3/8" x 1/4" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£5.39

Qty

1/2 x 1/4" NPT Black Carbon Steel Reducing Coupling (3000lb)
1/2" x 1/4" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£4.79

Qty

1/2 x 1/8" NPT Black Carbon Steel Reducing Coupling (3000lb)
1/2" x 1/8" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£4.79

Qty

1/2 x 3/8" NPT Black Carbon Steel Reducing Coupling (3000lb)
1/2" x 3/8" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£4.79

Qty

1/2" x 1/4" BSPT Black Carbon Steel Reducing Coupling (3000lb)
1/2" x 1/4" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£5.39

Qty

1/2" x 3/8" BSPT Black Carbon Steel Reducing Coupling (3000lb)
1/2" x 3/8" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£5.39

Qty

3/4 x 1/2" NPT Black Carbon Steel Reducing Coupling (3000lb)
3/4" x 1/2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£11.24

Qty

3/4 x 1/4" NPT Black Carbon Steel Reducing Coupling (3000lb)
3/4" x 1/4" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£11.24

Qty

3/4 x 3/8" NPT Black Carbon Steel Reducing Coupling (3000lb)
3/4" x 3/8" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£11.24

Qty

3/4" x 1/2" BSPT Black Carbon Steel Reducing Coupling (3000lb)
3/4" x 1/2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£7.46

Qty

3/4" x 1/4" BSPT Black Carbon Steel Reducing Coupling (3000lb)
3/4" x 1/4" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£7.46

Qty

3/4" x 3/8" BSPT Black Carbon Steel Reducing Coupling (3000lb)
3/4" x 3/8" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£7.46

Qty

1" x 1/2" BSPT Black Carbon Steel Reducing Coupling (3000lb)
1" x 1/2" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fit..
£10.25

Qty

1" x 1/2" NPT Black Carbon Steel Reducing Coupling (3000lb)
1" x 1/2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fitt..
£9.12

Qty

1" x 1/4" NPT Black Carbon Steel Reducing Coupling (3000lb)
1" x 1 1/4" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£9.12

Qty

1" x 3/4" BSPT Black Carbon Steel Reducing Coupling (3000lb)
1" x 3/4" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fit..
£10.25

Qty

1" x 3/4" NPT Black Carbon Steel Reducing Coupling (3000lb)
1" x 3/4" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fitt..
£9.12

Qty

1" x 3/8" BSPT Black Carbon Steel Reducing Coupling (3000lb)
1" x 3/8" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fit..
£10.25

Qty

1" x 3/8" NPT Black Carbon Steel Reducing Coupling (3000lb)
1" x 3/8" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fitt..
£9.12

Qty

1 1/4 x 1" NPT Black Carbon Steel Reducing Coupling (3000lb)
1 1/4" x 1" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe fi..
£18.04

Qty

1 1/4 x 1/2" NPT Black Carbon Steel Reducing Coupling (3000lb)
1 1/4" x 1/2" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe ..
£18.04

Qty

1 1/4 x 3/4" NPT Black Carbon Steel Reducing Coupling (3000lb)
1 1/4" x 3/4" NB ASME B16.11 NPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe ..
£18.04

Qty

1 1/4" x 1" BSPT Black Carbon Steel Reducing Coupling (3000lb)
1 1/4" x 1" NB ASME B16.11 BSPT Threaded Black Carbon Steel Reducing Coupling - View DatasheetPipe f..
£20.29

Qty

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