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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

DN15 (1/2" NB) SW 150# ROUND CAP SS 316
Thread: 1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, SW (Socket Weld), Weldable, Low Pressure, 150 psi

Alternative terminology:
SW Cap, Termination, Blanking Cap, Cap End
£ 6.02 6.02 GBP
DN15 (1/2" NB) SW 3000# EQUAL COUPLING SS 316
Connection: 1/2" SW
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Stainless Steel
£ 28.49 28.49 GBP
DN15 (1/2" NB) SW 3000# EQUAL TEE SS 316
Connection: 1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Tee, Stainless Steel
£ 73.99 73.99 GBP
DN15 (1/2" NB) SW 3000# HALF COUPLING SS 316
Connection: 1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Half Coupling, Half Socket, Straight, Connector, Stainless Steel
£ 27.16 27.16 GBP
DN15 (1/2" NB) SW 3000# ROUND CAP END SS 316
Connection: 1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Round Cap End, Blanking, Termination, Stainless Steel
£ 22.05 22.05 GBP
DN15 (1/2" NB) U-BOLT C.W NUTS SS 304 (A2)
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless Steel 304 (A2)
Thread: M6
Comes with 2x Nuts
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) U-BOLT C.W NUTS SS 316 (A4)
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless Steel 316 (A4)
Thread: M6
Comes with 2x Nuts
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) U-BOLT C.W NUTS SS A4/316
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Thread: M6


Contact us for pricing 0.0 GBP
DN15 (1/2" NB) UN-BOSSED SPLIT BAND HANGER SS 304
Suits an outside diameter (OD) of: 21.3mm
Band width: 25mm
Band thickness: 3mm
Bolt Size: M6
Material: Stainless Steel
Grade: 304
Contact us for pricing 0.0 GBP
DN15 (½" NB) BSPT 3000# FXF ELBOW 45° SS 316
Thread: ½" BSPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 45°, 45 Degree, Stainless Steel
£ 56.49 56.49 GBP
DN15 (½" NB) BSPT 3000# FXF ELBOW 90° SS 316
Thread: ½" BSPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 90°, 90 Degree, Stainless Steel
£ 57.40 57.4 GBP
DN15 (½" NB) NPT 3000# FXF ELBOW 45° SS 316
Thread: ½" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 45°, 45 Degree, Stainless Steel
£ 56.49 56.49 GBP
DN15 (½" NB) NPT 3000# FXF ELBOW 90° SS 316
Thread: ½" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 90°, 90 Degree, Stainless Steel
£ 59.71 59.71 GBP
DN15 (½" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 10S
Weight: 0.11kg

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
Contact us for pricing 0.0 GBP
DN15 (½" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 10S
Weight: 0.11kg

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
Contact us for pricing 0.0 GBP
DN15 (½" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.08kg

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
DN15 (½" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.08kg

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
DN15 (½" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 10S
Weight: 0.11kg

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
£ 14.70 14.7 GBP
DN15 (½" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 10S
Weight: 0.11kg

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
£ 26.18 26.18 GBP
DN15 (½" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.08kg

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
£ 7.70 7.7 GBP
DN15 (½" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.08kg

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
£ 10.29 10.29 GBP
DN15 (½" NB) SCHEDULE 40S A403 SEAMLESS EQUAL TEE SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 40s
Weight: 0.11kg

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
£ 24.22 24.22 GBP
DN15 (½" NB) SCHEDULE 40S A403 SEAMLESS EQUAL TEE SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 40s
Weight: 0.11kg

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
£ 26.88 26.88 GBP
DN15 (½" NB) SCHEDULE 40S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.08kg

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
DN15 (½" NB) SCHEDULE 40S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.08kg

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
DN15 (½" NB) SCHEDULE 40S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 40s
Weight: 0.11kg

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
£ 24.22 24.22 GBP
DN15 (½" NB) SCHEDULE 40S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: 40s
Weight: 0.11kg

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
£ 26.88 26.88 GBP
DN15 (½" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.08kg

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
£ 9.38 9.38 GBP
DN15 (½" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.08kg

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
£ 12.60 12.6 GBP
DN15 (½" NB) SW 3000# FXF ELBOW 45° SS 316
Connection: ½" SW (Socket Weld)
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 45°, 45 Degree, Stainless Steel
£ 43.47 43.47 GBP
DN15 (½" NB) SW 3000# FXF ELBOW 90° SS 316
Connection: ½" SW (Socket Weld)
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 90°, 90 Degree, Stainless Steel
£ 43.26 43.26 GBP
DN15 PN10 / PN16 / PN25 / PN40 RF BLIND FLANGE SS 304
Flange OD (D): 95mm
Drilling (No. x Bolt Holes x L): 4 x M12 x 14mm
Pitch circle diameter (K): 65mm
Flange thickness (C4): 16mm
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
£ 30.10 30.1 GBP
DN15 PN10 / PN16 / PN25 / PN40 RF BLIND FLANGE SS 316
Flange OD (D): 95mm
Drilling (No. x Bolt Holes x L): 4 x M12 x 14mm
Pitch circle diameter (K): 65mm
Flange thickness (C4): 16mm
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
£ 41.23 41.23 GBP
DN15 PN10/PN16/PN25/PN40 RF SLIP ON PLATE FLANGE SS 304
Flange inside diameter of: 22.0mm (B1)
Flange overall diameter: 95mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 14mm (C1)
Diameter of Raised Face (RF): 40mm (D1)
Height of raised face: 2mm (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
£ 25.34 25.34 GBP
DN15 PN10/PN16/PN25/PN40 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 22.0mm (B1)
Flange overall diameter: 95mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 14mm (C1)
Diameter of Raised Face (RF): 40mm (D1)
Height of raised face: 2mm (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
£ 37.24 37.24 GBP
DN15 X 6 (1/2" X 1/8" NB) BSPT REDUCING BUSH SS 316
Side 1 threaded: 1/2" BSPT Male
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

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.
£ 17.57 17.57 GBP
DN15 X 6 (1/2" X 1/8" NB) NPT REDUCING BUSH SS 316
Side 1 threaded: 1/2" NPT Male
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" NPT Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

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.
£ 25.76 25.76 GBP
DN15 X 8 (1/2" X 1/4" NB) BSPT REDUCING SOCKET SS 316
Side 1 threaded: 1/2" BSPT Female
Side 1 suits an outside diameter (OD) of: 21.3mm

Side 2 threaded: 1/4" BSPT Female
Side 2 suits an outside diameter (OD) of: 13.72mm

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
DN15 X 8 (1/2" X 1/4" NB) NPT REDUCING SOCKET SS 316
Side 1 threaded: 1/2" NPT Female
Side 1 suits an outside diameter (OD) of: 21.3mm

Side 2 threaded: 1/4" NPT Female
Side 2 suits an outside diameter (OD) of: 13.72mm

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
DN15 X 10 (1/2" X 3/8" NB) BSP REDUCING HEX NIPPLE SS 316
Side 1 Thread: 1/2" NPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Side 2 Thread: 3/8" NPT Male x Male
Suits an outside diameter (OD) of: 17.15mm
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.
£ 49.49 49.49 GBP