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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

DN65 X 40 (2.1/2" X 1.1/2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 2.1/2" BSP Female
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 1.1/2" BSP Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 70.49 70.49 GBP
DN65 X 40 (2.1/2" X 1.1/2" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 2.1/2" BSPT Female
Suits 1 suits an outside diameter (OD) of: 76.2mm
Side 2 threaded: 1.1/2" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 48.3mm

Material: Forged Stainless steel
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, 3000 psi (3K) High Pressure, Forged Stainless steel, BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducer, Socket, Coupling, Reducing Socket, Coupling, Stainless Steel
Contact us for pricing 0.0 GBP
DN65 X 40 (2.1/2" X 1.1/2" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 2.1/2" NPT Female
Suits 1 suits an outside diameter (OD) of: 76.2mm
Side 2 threaded: 1.1/2" NPT Female
Side 2 suits suits an outside diameter (OD) of: 48.3mm

Material: Forged Stainless steel
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, 3000 psi (3K) High Pressure, Forged Stainless steel, BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducer, Socket, Coupling, Reducing Socket, Coupling, Stainless Steel
Contact us for pricing 0.0 GBP
DN65 X 40 (2.1/2" X 1.1/2" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 2.1/2" NPT Male
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 1.1/2" NPT Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 99.54 99.54 GBP
DN65 X 40 (2.1/2" X 1.1/2" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 2.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 73mm
Side Two Connection: 1.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 82.95 82.95 GBP
DN65 X 50 (2.1/2" X 2" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 2.1/2" BSPT Male
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 2" BSPP Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 63.21 63.21 GBP
DN65 X 50 (2.1/2" X 2" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 2.1/2" BSPT Male
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 2" BSPT Male
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 69.86 69.86 GBP
DN65 X 50 (2.1/2" X 2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 2.1/2" BSP Female
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 2" BSP Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 70.49 70.49 GBP
DN65 X 50 (2.1/2" X 2" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 2.1/2" BSPT Female
Suits 1 suits an outside diameter (OD) of: 76.2mm
Side 2 threaded: 2" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 60.3mm

Material: Forged Stainless steel
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, 3000 psi (3K) High Pressure, Forged Stainless steel, BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducer, Socket, Coupling, Reducing Socket, Coupling, Stainless Steel
Contact us for pricing 0.0 GBP
DN65 X 50 (2.1/2" X 2" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 2.1/2" NPT Female
Suits 1 suits an outside diameter (OD) of: 76.2mm
Side 2 threaded: 2" NPT Female
Side 2 suits suits an outside diameter (OD) of: 60.3mm

Material: Forged Stainless steel
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, 3000 psi (3K) High Pressure, Forged Stainless steel, BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducer, Socket, Coupling, Reducing Socket, Coupling, Stainless Steel
Contact us for pricing 0.0 GBP
DN65 X 50 (2.1/2" X 2" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 2.1/2" NPT Male
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 2" NPT Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 97.58 97.58 GBP
DN65 X 50 (2.1/2" X 2" NB) NPT 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 2.1/2" NPT Male
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 2" NPT Male
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 66.57 66.57 GBP
DN65 X 50 (2.1/2" X 2" NB) NPT 150# REDUCING SOCKET SS 316
Side One Thread: 2.1/2" NPT Female
Suits an outside diameter (OD) of: 73mm
Side Two Thread: 2" NPT Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 87.85 87.85 GBP
DN65 X 50 (2.1/2" X 2" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 2.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 73mm
Side Two Connection: 2" SW (Socket Weld)
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 89.25 89.25 GBP
DN65 X DN25 (2½" X 1" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 33mm
Wall Thickness: 5.16 X 3.38mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN25 (2½" X 1" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 33mm
Wall Thickness: 5.16 X 3.38mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN25 (2½" X 1" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 33mm
Wall Thickness: 5.16 X 3.38mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN25 (2½" X 1" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 33mm
Wall Thickness: 5.16 X 3.38mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN25 (2½" X 1" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 33mm
Wall Thickness: 5.16 X 3.38mm
Length: 89mm
£ 73.71 73.71 GBP
DN65 X DN25 (2½" X 1" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 33mm
Wall Thickness: 5.16 X 3.38mm
Length: 89mm
£ 85.33 85.33 GBP
DN65 X DN25 (2½" X 1" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 33mm
Wall Thickness: 5.16 X 3.38mm
Length: 89mm
£ 133.00 133.0 GBP
DN65 X DN32 (2½" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 42mm
Wall Thickness: 5.16 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN32 (2½" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 42mm
Wall Thickness: 5.16 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN32 (2½" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 42mm
Wall Thickness: 5.16 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN32 (2½" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 42mm
Wall Thickness: 5.16 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN32 (2½" X 1¼" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 42mm
Wall Thickness: 5.16 X 3.56mm
Length: 89mm
£ 60.34 60.34 GBP
DN65 X DN32 (2½" X 1¼" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 42mm
Wall Thickness: 5.16 X 3.56mm
Length: 89mm
£ 41.86 41.86 GBP
DN65 X DN32 (2½" X 1¼" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 42mm
Wall Thickness: 5.16 X 3.56mm
Length: 89mm
£ 118.23 118.23 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
£ 65.45 65.45 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
£ 66.22 66.22 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
£ 84.77 84.77 GBP
DN65 X DN40 (2½" X 1½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 48mm
Wall Thickness: 5.16 X 3.68mm
Length: 89mm
£ 78.26 78.26 GBP
DN65 X DN50 (2½" X 2" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 60mm
Wall Thickness: 5.16 X 3.91mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN50 (2½" X 2" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 60mm
Wall Thickness: 5.16 X 3.91mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN50 (2½" X 2" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 73 X 60mm
Wall Thickness: 5.16 X 3.91mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN65 X DN50 (2½" X 2" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 73 X 60mm
Wall Thickness: 5.16 X 3.91mm
Length: 89mm
Contact us for pricing 0.0 GBP