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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

DN80 PN25/PN40 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 90.5mm (B1)
Flange overall diameter: 200mm (D)
PCD: 160mm (K)
Bolt Holes: 8 off 18mm diameter (L)
Flange Thickness: 24mm (C1)
Diameter of Raised Face (RF): 128mm (D1)
Height of raised face: 3mm (F1)
Material: Stainless Steel
Grade: 316
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Steel, Raised Faced, RFSO

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN80 X 40 (3" X 1.1/2" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 3" BSPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 94.43 94.43 GBP
DN80 X 40 (3" X 1.1/2" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 3" BSPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 1.1/2" BSPT Male
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 89.81 89.81 GBP
DN80 X 40 (3" X 1.1/2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 3" BSP Female
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 1.1/2" BSP Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 109.06 109.06 GBP
DN80 X 40 (3" X 1.1/2" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 3" BSPT Female
Suits 1 suits an outside diameter (OD) of: 88.9mm
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
DN80 X 40 (3" X 1.1/2" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 3" NPT Female
Suits 1 suits an outside diameter (OD) of: 88.9mm
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
DN80 X 40 (3" X 1.1/2" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 3" SW (Socket Weld)
Suits an outside diameter (OD) of: 88.9mm
Side Two Connection: 1.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 106.89 106.89 GBP
DN80 X 50 (3" X 2" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 3" BSPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2" BSPP Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 83.79 83.79 GBP
DN80 X 50 (3" X 2" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 3" BSPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2" BSPT Male
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 89.81 89.81 GBP
DN80 X 50 (3" X 2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 3" BSP Female
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2" BSP Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 109.06 109.06 GBP
DN80 X 50 (3" X 2" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 3" BSPT Female
Suits 1 suits an outside diameter (OD) of: 88.9mm
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
DN80 X 50 (3" X 2" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 3" NPT Female
Suits 1 suits an outside diameter (OD) of: 88.9mm
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
DN80 X 50 (3" X 2" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 3" NPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2" NPT Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 115.29 115.29 GBP
DN80 X 50 (3" X 2" NB) NPT 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 3" NPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2" NPT Male
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 130.90 130.9 GBP
DN80 X 50 (3" X 2" NB) NPT 150# REDUCING SOCKET SS 316
Side One Thread: 3" NPT Female
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2" NPT Female
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 129.36 129.36 GBP
DN80 X 50 (3" X 2" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 3" SW (Socket Weld)
Suits an outside diameter (OD) of: 88.9mm
Side Two Connection: 2" SW (Socket Weld)
Suits an outside diameter (OD) of: 60.3mm
Material: Stainless
Grade: 316
£ 106.89 106.89 GBP
DN80 X 65 (3" X 2.1/2" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 3" BSPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2.1/2" BSPP Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 94.43 94.43 GBP
DN80 X 65 (3" X 2.1/2" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 3" BSPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2.1/2" BSPT Male
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 89.81 89.81 GBP
DN80 X 65 (3" X 2.1/2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 3" BSP Female
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2.1/2" BSP Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 109.06 109.06 GBP
DN80 X 65 (3" X 2.1/2" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 3" NPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2.1/2" NPT Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 135.87 135.87 GBP
DN80 X 65 (3" X 2.1/2" NB) NPT 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 3" NPT Male
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2.1/2" NPT Male
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 104.09 104.09 GBP
DN80 X 65 (3" X 2.1/2" NB) NPT 150# REDUCING SOCKET SS 316
Side One Thread: 3" NPT Female
Suits an outside diameter (OD) of: 88.9mm
Side Two Thread: 2.1/2" NPT Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 118.65 118.65 GBP
DN80 X 65 (3" X 2.1/2" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 3" SW (Socket Weld)
Suits an outside diameter (OD) of: 88.9mm
Side Two Connection: 2.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 106.89 106.89 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
£ 67.13 67.13 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
£ 87.15 87.15 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
£ 128.80 128.8 GBP
DN80 X DN32 (3" X 1¼" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
£ 152.04 152.04 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
Contact us for pricing 0.0 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
£ 58.24 58.24 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
£ 72.80 72.8 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
£ 114.52 114.52 GBP
DN80 X DN40 (3" X 1½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
£ 114.66 114.66 GBP
DN80 X DN50 (3" X 2" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 89 X 60mm
Wall Thickness: 5.49 X 3.91mm
Length: 89mm
Contact us for pricing 0.0 GBP