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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

DN32 X 15 (1.1/4" X 1/2" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/4" BSPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 16.87 16.87 GBP
DN32 X 15 (1.1/4" X 1/2" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 1.1/4" BSPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1/2" BSPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 16.59 16.59 GBP
DN32 X 15 (1.1/4" X 1/2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 1.1/4" BSP Female
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1/2" BSP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 25.97 25.97 GBP
DN32 X 15 (1.1/4" X 1/2" NB) BSPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/4" BSPT Male
Side 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 1/2" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 21.3mm

Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Stainless Steel,Stainless Steel, Reducing Bush, Threaded, Screwed, , Fittings.
£ 71.54 71.54 GBP
DN32 X 15 (1.1/4" X 1/2" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/4" BSPT Female
Side 1 suits an outside diameter (OD) of: 42.4mm

Side 2 threaded: 1/2" BSPT Female
Side 2 suits an outside diameter (OD) of: 21.3mm

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
DN32 X 15 (1.1/4" X 1/2" NB) NPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/4" NPT Male
Side 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 1/2" NPT Female
Side 2 suits suits an outside diameter (OD) of: 21.3mm

Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Stainless Steel,Stainless Steel, Reducing Bush, Threaded, Screwed, , Fittings.
£ 72.80 72.8 GBP
DN32 X 15 (1.1/4" X 1/2" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/4" NPT Female
Side 1 suits an outside diameter (OD) of: 42.4mm

Side 2 threaded: 1/2" NPT Female
Side 2 suits an outside diameter (OD) of: 21.3mm

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
DN32 X 20 (1.1/4" X 3/4" NB) BSP REDUCING HEX NIPPLE SS 316
Side 1 Thread: 1.1/4" NPT Male x Male
Suits an outside diameter (OD) of: 42.4mm
Side 2 Thread: 3/4" NPT Male x Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducing Heagon Nipple, Forged Stainless Steel, Stainless Steel, Threaded, Screwed, Fittings.
£ 119.42 119.42 GBP
DN32 X 20 (1.1/4" X 3/4" NB) BSP REDUCING HEX NIPPLE SS 316
Side 1 Thread: 1.1/4" BSPT Male x Male
Suits an outside diameter (OD) of: 42.4mm
Side 2 Thread: 3/4" BSPT Male x Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducing Heagon Nipple, Forged Stainless Steel, Stainless Steel, Threaded, Screwed, Fittings.
£ 192.64 192.64 GBP
DN32 X 20 (1.1/4" X 3/4" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/4" BSPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 23.17 23.17 GBP
DN32 X 20 (1.1/4" X 3/4" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 1.1/4" BSPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 3/4" BSPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 17.29 17.29 GBP
DN32 X 20 (1.1/4" X 3/4" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 1.1/4" BSP Female
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 3/4" BSP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 25.97 25.97 GBP
DN32 X 20 (1.1/4" X 3/4" NB) BSPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/4" BSPT Male
Side 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 3/4" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 26.9mm

Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Stainless Steel,Stainless Steel, Reducing Bush, Threaded, Screwed, , Fittings.
£ 75.11 75.11 GBP
DN32 X 20 (1.1/4" X 3/4" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/4" BSPT Female
Side 1 suits an outside diameter (OD) of: 42.4mm

Side 2 threaded: 3/4" BSPT Female
Side 2 suits an outside diameter (OD) of: 26.9mm

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
DN32 X 20 (1.1/4" X 3/4" NB) NPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/4" NPT Male
Side 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 3/4" NPT Female
Side 2 suits suits an outside diameter (OD) of: 26.9mm

Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Stainless Steel,Stainless Steel, Reducing Bush, Threaded, Screwed, , Fittings.
£ 75.39 75.39 GBP
DN32 X 20 (1.1/4" X 3/4" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/4" NPT Female
Side 1 suits an outside diameter (OD) of: 42.4mm

Side 2 threaded: 3/4" NPT Female
Side 2 suits an outside diameter (OD) of: 26.9mm

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
DN32 X 20 (1.1/4" X 3/4" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/4" NPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 25.13 25.13 GBP
DN32 X 20 (1.1/4" X 3/4" NB) NPT 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 1.1/4" NPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 22.05 22.05 GBP
DN32 X 20 (1.1/4" X 3/4" NB) NPT 150# REDUCING SOCKET SS 316
Side One Thread: 1.1/4" NPT Female
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 34.44 34.44 GBP
DN32 X 20 (1.1/4" X 3/4" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 1.1/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 42.4mm
Side Two Connection: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 34.23 34.23 GBP
DN32 X 25 (1.1/4" X 1" NB) BSP REDUCING HEX NIPPLE SS 316
Side 1 Thread: 1.1/4" NPT Male x Male
Suits an outside diameter (OD) of: 42.4mm
Side 2 Thread: 1" NPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducing Heagon Nipple, Forged Stainless Steel, Stainless Steel, Threaded, Screwed, Fittings.
£ 168.77 168.77 GBP
DN32 X 25 (1.1/4" X 1" NB) BSP REDUCING HEX NIPPLE SS 316
Side 1 Thread: 1.1/4" BSPT Male x Male
Suits an outside diameter (OD) of: 42.4mm
Side 2 Thread: 1" BSPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97




Alternative terminology:
Reducing Heagon Nipple, Forged Stainless Steel, Stainless Steel, Threaded, Screwed, Fittings.
£ 179.20 179.2 GBP
DN32 X 25 (1.1/4" X 1" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/4" BSPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1" BSPP Female
Suits an outside diameter (OD) of: 33.4mm
Material: Stainless
Grade: 316
£ 15.40 15.4 GBP
DN32 X 25 (1.1/4" X 1" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 1.1/4" BSPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1" BSPT Male
Suits an outside diameter (OD) of: 33.4mm
Material: Stainless
Grade: 316
£ 17.29 17.29 GBP
DN32 X 25 (1.1/4" X 1" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 1.1/4" BSP Female
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1" BSP Female
Suits an outside diameter (OD) of: 33.4mm
Material: Stainless
Grade: 316
£ 25.97 25.97 GBP
DN32 X 25 (1.1/4" X 1" NB) BSPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/4" BSPT Male
Side 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 1" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 33.4mm

Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Stainless Steel,Stainless Steel, Reducing Bush, Threaded, Screwed, , Fittings.
£ 73.64 73.64 GBP
DN32 X 25 (1.1/4" X 1" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/4" BSPT Female
Suits 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 1" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 33.4mm

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
DN32 X 25 (1.1/4" X 1" NB) NPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/4" NPT Male
Side 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 1" NPT Female
Side 2 suits suits an outside diameter (OD) of: 33.4mm

Material: Forged Stainless Steel
Grade: 316

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Stainless Steel,Stainless Steel, Reducing Bush, Threaded, Screwed, , Fittings.
£ 75.39 75.39 GBP
DN32 X 25 (1.1/4" X 1" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/4" NPT Female
Suits 1 suits an outside diameter (OD) of: 42.4mm
Side 2 threaded: 1" NPT Female
Side 2 suits suits an outside diameter (OD) of: 33.4mm

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
DN32 X 25 (1.1/4" X 1" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/4" NPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1" NPT Female
Suits an outside diameter (OD) of: 33.4mm
Material: Stainless
Grade: 316
£ 25.13 25.13 GBP
DN32 X 25 (1.1/4" X 1" NB) NPT 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 1.1/4" NPT Male
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1" NPT Male
Suits an outside diameter (OD) of: 33.4mm
Material: Stainless
Grade: 316
£ 24.71 24.71 GBP
DN32 X 25 (1.1/4" X 1" NB) NPT 150# REDUCING SOCKET SS 316
Side One Thread: 1.1/4" NPT Female
Suits an outside diameter (OD) of: 42.4mm
Side Two Thread: 1" NPT Female
Suits an outside diameter (OD) of: 33.4mm
Material: Stainless
Grade: 316
£ 34.44 34.44 GBP
DN32 X 25 (1.1/4" X 1" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 1.1/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 42.4mm
Side Two Connection: 1" SW (Socket Weld)
Suits an outside diameter (OD) of: 33.4mm
Material: Stainless
Grade: 316
£ 34.65 34.65 GBP
DN32 X DN15 (1¼" X ½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 42 X 21mm
Wall Thickness: 3.56 X 2.77mm
Length: 51mm
Contact us for pricing 0.0 GBP
DN32 X DN15 (1¼" X ½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 42 X 21mm
Wall Thickness: 3.56 X 2.77mm
Length: 51mm
Contact us for pricing 0.0 GBP
DN32 X DN15 (1¼" X ½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 42 X 21mm
Wall Thickness: 3.56 X 2.77mm
Length: 51mm
Contact us for pricing 0.0 GBP
DN32 X DN15 (1¼" X ½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 42 X 21mm
Wall Thickness: 3.56 X 2.77mm
Length: 51mm
Contact us for pricing 0.0 GBP
DN32 X DN15 (1¼" X ½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 42 X 21mm
Wall Thickness: 3.56 X 2.77mm
Length: 51mm
£ 19.81 19.81 GBP
DN32 X DN15 (1¼" X ½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 42 X 21mm
Wall Thickness: 3.56 X 2.77mm
Length: 51mm
£ 24.43 24.43 GBP
DN32 X DN15 (1¼" X ½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 42 X 21mm
Wall Thickness: 3.56 X 2.77mm
Length: 51mm
£ 48.09 48.09 GBP