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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

DN40 (1½" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm

Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 17.99 17.99 GBP
DN40 (1½" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm

Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 40.67 40.67 GBP
DN40 (1½" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 57.1mm
Schedule: A403 Welded
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 19.95 19.95 GBP
DN40 (1½" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 57.1mm
Schedule: A403 Welded
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 25.06 25.06 GBP
DN40 (1½" NB) SCHEDULE 10S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 17.99 17.99 GBP
DN40 (1½" NB) SCHEDULE 10S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 40.67 40.67 GBP
DN40 (1½" NB) SCHEDULE 40S A403 SEAMLESS EQUAL TEE SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 40s
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 78.19 78.19 GBP
DN40 (1½" NB) SCHEDULE 40S A403 SEAMLESS EQUAL TEE SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 40s
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 63.21 63.21 GBP
DN40 (1½" NB) SCHEDULE 40S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 57.1mm
Schedule: A403 Seamless
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 40S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 57.1mm
Schedule: A403 Seamless
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 40S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 40S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 40s
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 78.19 78.19 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 40s
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 63.21 63.21 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm

Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 20.51 20.51 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm

Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 26.46 26.46 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 57.1mm
Schedule: A403 Welded
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 22.47 22.47 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 57.1mm
Schedule: A403 Welded
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 30.10 30.1 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 20.51 20.51 GBP
DN40 (1½" NB) SCHEDULE 40S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 26.46 26.46 GBP
DN40 (1½" NB) SW 3000# FXF ELBOW 45° SS 316
Threaded: 1½" SW (Socket Weld) Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 173.67 173.67 GBP
DN40 (1½" NB) SW 3000# FXF ELBOW 90° SS 316
Threaded: 1½" SW (Socket Weld) Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 239.89 239.89 GBP
DN40 PN10 / PN16 / PN25 / PN40 RF BLIND FLANGE SS 304
Flange OD (D): 150mm
Drilling (No. x Bolt Holes x L): 4 x M16 x 18mm
Pitch circle diameter (K): 110mm
Flange thickness (C4): 18mm
Material: 304
Rating: PN40
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Stainless Steel, Stainless Steel, Raised Faced, RF Blind
£ 87.50 87.5 GBP
DN40 PN10 / PN16 / PN25 / PN40 RF BLIND FLANGE SS 316
Flange OD (D): 150mm
Drilling (No. x Bolt Holes x L): 4 x M16 x 18mm
Pitch circle diameter (K): 110mm
Flange thickness (C4): 18mm
Material: 316
Rating: PN40
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Stainless Steel, Stainless Steel, Raised Faced, RF Blind
£ 109.90 109.9 GBP
DN40 PN10/PN16/PN25/PN40 RF SLIP ON PLATE FLANGE SS 304
Flange inside diameter of: 49.5mm (B1)
Flange overall diameter: 150mm (D)
PCD: 110mm (K)
Bolt Holes: 4 off 18mm diameter (L)
Flange Thickness: 18mm (C1)
Diameter of Raised Face (RF): 80mm (D1)
Height of raised face: 3mm (F1)
Material: Stainless Steel
Grade: 304
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
£ 81.27 81.27 GBP
DN40 PN10/PN16/PN25/PN40 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 49.5mm (B1)
Flange overall diameter: 150mm (D)
PCD: 110mm (K)
Bolt Holes: 4 off 18mm diameter (L)
Flange Thickness: 18mm (C1)
Diameter of Raised Face (RF): 80mm (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
£ 114.10 114.1 GBP
DN40 X 15 (1.1/2" X 1/2" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/2" BSPT Male
Suits an outside diameter (OD) of: 48.3mm
Side Two Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 24.64 24.64 GBP
DN40 X 15 (1.1/2" X 1/2" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Side Two Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 23.94 23.94 GBP
DN40 X 15 (1.1/2" X 1/2" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Side Two Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 37.24 37.24 GBP
DN40 X 15 (1.1/2" X 1/2" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/2" BSPT Female
Suits 1 suits an outside diameter (OD) of: 48.3mm
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:
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
DN40 X 15 (1.1/2" X 1/2" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/2" NPT Female
Suits 1 suits an outside diameter (OD) of: 48.3mm
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:
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
DN40 X 15 (1.1/2" X 1/2" NB) NPT 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/2" NPT Male
Suits an outside diameter (OD) of: 48.3mm
Side Two Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 30.80 30.8 GBP
DN40 X 15 (1.1/2" X 1/2" NB) SW 150# REDUCING SOCKET SS 316
Side One Connection: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Side Two Connection: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 34.16 34.16 GBP
DN40 X 20 (1.1/2" X 3/4" NB) BSP 150# REDUCING HEX BUSH SS 316
Side One Thread: 1.1/2" BSPT Male
Suits an outside diameter (OD) of: 48.3mm
Side Two Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 21.00 21.0 GBP
DN40 X 20 (1.1/2" X 3/4" NB) BSP 150# REDUCING HEX NIPPLE SS 316
Side One Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Side Two Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 23.94 23.94 GBP
DN40 X 20 (1.1/2" X 3/4" NB) BSP 150# REDUCING SOCKET SS 316
Side One Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Side Two Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 37.24 37.24 GBP
DN40 X 20 (1.1/2" X 3/4" NB) BSPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/2" BSPT Male
Side 1 suits an outside diameter (OD) of: 48.3mm
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.
£ 87.85 87.85 GBP
DN40 X 20 (1.1/2" X 3/4" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/2" BSPT Female
Suits 1 suits an outside diameter (OD) of: 48.3mm
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:
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
DN40 X 20 (1.1/2" X 3/4" NB) NPT REDUCING BUSH SS 316
Side 1 threaded: 1.1/2" NPT Male
Side 1 suits an outside diameter (OD) of: 48.3mm
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.
£ 90.44 90.44 GBP
DN40 X 20 (1.1/2" X 3/4" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 1.1/2" NPT Female
Suits 1 suits an outside diameter (OD) of: 48.3mm
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:
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