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Nominal Bore

Stainless Steel Nominal Bore Pipework – 304 & 316 Systems

Integraflow supplies complete nominal bore stainless steel pipework systems in 304 and 316/L grades, including pipe, fittings, flanges, valves, and supports in welded, seamless, threaded, and socket weld configurations, ideal for corrosive, and industrial environments across food, pharmaceutical, chemical, and mechanical sectors.

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Nominal Bore

DN100 X 65 (4" X 2.1/2" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 4" BSPT Male
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 2.1/2" BSPT Male
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 172.90 172.9 GBP
DN100 X 65 (4" X 2.1/2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 4" BSP Female
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 2.1/2" BSP Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 201.53 201.53 GBP
DN100 X 65 (4" X 2.1/2" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 4" NPT Male
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 2.1/2" NPT Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 179.69 179.69 GBP
DN100 X 65 (4" X 2.1/2" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 4" SW (Socket Weld)
Suits an outside diameter (OD) of: 114.3mm
Side Two Connection: 2.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 199.08 199.08 GBP
DN100 X 80 (4" X 3" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 4" BSPT Male
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 3" BSPP Female
Suits an outside diameter (OD) of: 88.9mm
Material: Stainless
Grade: 316
£ 176.26 176.26 GBP
DN100 X 80 (4" X 3" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 4" BSPT Male
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 3" BSPT Male
Suits an outside diameter (OD) of: 88.9mm
Material: Stainless
Grade: 316
£ 172.90 172.9 GBP
DN100 X 80 (4" X 3" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 4" BSP Female
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 3" BSP Female
Suits an outside diameter (OD) of: 88.9mm
Material: Stainless
Grade: 316
£ 201.53 201.53 GBP
DN100 X 80 (4" X 3" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 4" NPT Male
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 3" NPT Female
Suits an outside diameter (OD) of: 88.9mm
Material: Stainless
Grade: 316
£ 224.28 224.28 GBP
DN100 X 80 (4" X 3" NB) NPT 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 4" NPT Male
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 3" NPT Male
Suits an outside diameter (OD) of: 88.9mm
Material: Stainless
Grade: 316
£ 222.11 222.11 GBP
DN100 X 80 (4" X 3" NB) NPT 150# REDUCING SOCKET SS 316
Side One Thread: 4" NPT Female
Suits an outside diameter (OD) of: 114.3mm
Side Two Thread: 3" NPT Female
Suits an outside diameter (OD) of: 88.9mm
Material: Stainless
Grade: 316
£ 181.37 181.37 GBP
DN100 X 80 (4" X 3" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 4" SW (Socket Weld)
Suits an outside diameter (OD) of: 114.3mm
Side Two Connection: 3" SW (Socket Weld)
Suits an outside diameter (OD) of: 88.9mm
Material: Stainless
Grade: 316
£ 172.62 172.62 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
£ 107.38 107.38 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
£ 143.64 143.64 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
£ 181.79 181.79 GBP
DN100 X DN40 (4" X 1½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
£ 217.70 217.7 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
£ 89.11 89.11 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
£ 127.89 127.89 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
£ 161.77 161.77 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
£ 193.48 193.48 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
£ 116.83 116.83 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
£ 153.16 153.16 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
£ 126.98 126.98 GBP
DN100 X DN65 (4" X 2½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
£ 130.55 130.55 GBP
DN100 X DN80 (4" X 3" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 89mm
Wall Thickness: 6.02 X 5.49mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN80 (4" X 3" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 89mm
Wall Thickness: 6.02 X 5.49mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN80 (4" X 3" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 89mm
Wall Thickness: 6.02 X 5.49mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN80 (4" X 3" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 114 X 89mm
Wall Thickness: 6.02 X 5.49mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 X DN80 (4" X 3" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 114 X 89mm
Wall Thickness: 6.02 X 5.49mm
Length: 102mm
£ 78.05 78.05 GBP