SKUs available on this product page

IRHB 8-6N, IRHB 12-4N, IRHB 4-2N, IRHB 6-2N*, IRHB 6-4N, IRHB 8-2N, IRHB 8-4N, IRHB 12-6N, IRHB 12-8N, IRHB 16-4N, IRHB 16-6N, IRHB-16-8N, IRHB 16-12N, IRHB 20-8N, IRHB 20-12N, IRHB 20-16N, IRHB 24-8N, IRHB 24-12N, IRHB 24-16N, IRHB 24-20N,

Reducing Hex Bushing (NPT)

  • Reducing Hex Bushing
  • Female NPT x Male NPT
  • Applications: Compression, Cryogenic, Gas, Instrumentation, Vacuum
  • Available in 316 Stainless Steel
  • Part Numbers & Dimensions
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Stainless Steel Pipe Fitting Reducing Hex Bushing

Superlok Pipe Fittings are designed and manufactured to be interchangeable with other Tube Fittings manufactured by other industry leading manufacturers. When required compatibility testing can be performed by an independent third party and the reports can be provided.

Reducing Hex Bushing Fitting Dimensions

Reducing Hex Bushing Dimensions

Part No. Male NPT Size Female NPT Size Dimensions (mm) Pressure Ratings, psig(bar)
A E H
IRHB-4N-2N 1/4" 1/8" 26.9 7.1 14.2 6500(447)
IRHB-6N-2N 3/8" 1/8" 21.8 8.6 17.4 9200(633)
IRHB-6N-4N 3/8" 1/4" 30.2 9.6 19.1 6600(454)
IRHB-8N-2N 1/2" 1/8" 27.4 8.6 22.2 12200(840)
IRHB-8N-4N 1/2" 1/4" 27.4 11.4 22.2 8300(571)
IRHB-8N-6N 1/2" 3/8" 35.8 11.9 22.2 5300(365)
IRHB-12N-4N 3/4" 1/4" 27.4 11.4 26.9 12000(826)
IRHB-12N-6N 3/4" 3/8" 27.4 15.0 26.9 8200(564)
IRHB-12N-8N 3/4" 1/2" 41.4 15.7 26.9 4900(337)
IRHB-16N-4N 1" 1/4" 34.8 11.4 34.9 14500(999)
IRHB-16N-6N 1" 3/8" 34.8 15.0 34.9 11600(799)
IRHB-16N-8N 1" 1/2" 34.8 18.5 34.9 8600(592)
IRHB-16N-12N 1" 3/4" 47.0 22.4 34.9 5300(365)

Additional information

Line Drawings

SKUDescriptionLine Drawing
IRHB 12-4N

3/4″ MNPT X 1/4″ FNPT REDUCING BUSHING

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IRHB 12-6N

3/4″ MNPT X 3/8″ FNPT REDUCING BUSHING

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IRHB 12-8N

3/4″ MNPT X 1/2″ FNPT REDUCING BUSHING

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IRHB 16-12N

1″ MNPT X 3/4″ FNPT REDUCING BUSHING

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IRHB 16-4N

1″ MNPT X 1/4″ FNPT REDUCING BUSHING

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IRHB 16-6N

1″ MNPT X 3/8″ FNPT REDUCING BUSHING

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IRHB 20-12N

1-1/4″ MNPT X 3/4″ FNPT REDUCING BUSHING

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IRHB 20-16N

1-1/4″ MNPT X 1″ FNPT REDUCING BUSHING

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IRHB 20-8N

1-1/4″ MNPT X 1/2″ FNPT REDUCING BUSHING

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IRHB 24-12N

1-1/2″ MNPT X 3/4″ FNPT REDUCING BUSHING

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IRHB 24-16N

1-1/2″ MNPT X 1″ FNPT REDUCING BUSHING

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IRHB 24-20N

1-1/2″ MNPT X 1-1/4″ FNPT REDUCING BUSHING

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IRHB 24-8N

1-1/2″ MNPT X 1/2″ FNPT REDUCING BUSHING

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IRHB 4-2N

1/4″ MNPT X 1/8″ FNPT REDUCING BUSHING

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IRHB 6-2N*

3/8″ MNPT X 1/8″ FNPT REDUCING BUSHING

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IRHB 6-4N

3/8″ MNPT X 1/4″ FNPT REDUCING BUSHING

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IRHB 8-2N

1/2″ MNPT X 1/8″ FNPT REDUCING BUSHING

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IRHB 8-4N

1/2″ MNPT X 1/4″ FNPT REDUCING BUSHING

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IRHB 8-6N

1/2″ MNPT X 3/8″ FNPT REDUCING BUSHING

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IRHB-16-8N

1″ MNPT X 1/2″ FNPT REDUCING BUSHING

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