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Stainless

Nominal Bore Stainless Steel Pipework – 304 & 316 Grades

Integraflow offers a complete range of nominal bore stainless steel pipework systems in 304 and 316/L grades, including pipe, fittings, flanges, valves, and supports in welded, seamless, and threaded configurations, designed for durability, corrosion resistance, and compatibility across industrial, hygienic, and mechanical applications.

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Stainless

DN15 (1/2" NB) NPT 150# (FXF) ELBOW 90° SS 316
Thread: 1/2" NPT Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 90°, 90 Deg, Screwed, Low Pressure, 150 psi
£ 10.29 10.29 GBP
DN15 (1/2" NB) NPT 150# (MXF) ELBOW 90° SS 316
Side One Thread: 1/2" NPT Male
Side Two Thread: 1/2" NPT Female
Both Sides Suit an outside diameter (OD) of: 21.3mm
Male x Female Elbow, Also known as a 'Street Elbow '
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 14.14 14.14 GBP
DN15 (1/2" NB) NPT 150# BARREL NIPPLE SS 316
Thread: 1/2" NPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 9.38 9.38 GBP
DN15 (1/2" NB) NPT 150# BARREL NIPPLE SS 316
Thread: 1/2" NPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 7.07 7.07 GBP
DN15 (1/2" NB) NPT 150# EQUAL FULL SOCKET SS 316
Thread: 1/2" NPT Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 14.28 14.28 GBP
DN15 (1/2" NB) NPT 150# EQUAL FULL SOCKET SS 316
Thread: 1/2" NPT Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 15.47 15.47 GBP
DN15 (1/2" NB) NPT 150# EQUAL TEE SS 316
Thread: 1/2" NPT Female x Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless Steel
Grade: 316
£ 16.10 16.1 GBP
DN15 (1/2" NB) NPT 150# EQUAL TEE SS 316
Thread: 1/2" NPT Female x Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless Steel
Grade: 316
£ 16.10 16.1 GBP
DN15 (1/2" NB) NPT 150# HALF SOCKET SS 316
Thread: 1/2" NPT Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 8.33 8.33 GBP
DN15 (1/2" NB) NPT 150# HEX CAP SS 316
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 7.35 7.35 GBP
DN15 (1/2" NB) NPT 150# HEX HEAD PLUG SS 316
Thread: 1/2" NPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 4.69 4.69 GBP
DN15 (1/2" NB) NPT 150# ROUND CAP SS 316
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 6.51 6.51 GBP
DN15 (1/2" NB) NPT 150# SQUARE HEAD PLUG SS 316
Thread: 1/2" NPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 4.55 4.55 GBP
DN15 (1/2" NB) NPT 3000# EQUAL COUPLING SS 316
Thread: 1/2" NPT
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) NPT 3000# EQUAL TEE SS 316
Thread: 1/2" 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:
Equal Tee, Stainless Steel
£ 73.99 73.99 GBP
DN15 (1/2" NB) NPT 3000# FXF UNION SS 316
Thread: 1/2" 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:
Union, FXF, Stainless Steel
£ 98.98 98.98 GBP
DN15 (1/2" NB) NPT 3000# HALF COUPLING SS 316
Thread: 1/2" NPT
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
£ 19.39 19.39 GBP
DN15 (1/2" NB) NPT 3000# HEX HEAD PLUG END SS 316
Thread: 1/2" NPT Male
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:
Hexagon Head Plug, Blanking, Termination, Stainless Steel
£ 17.08 17.08 GBP
DN15 (1/2" NB) NPT 3000# HEXAGON NIPPLE SS 316
Thread: 1/2" NPT Male x Male
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 Nipple, Straight, Connector, Stainless Steel
£ 33.60 33.6 GBP
DN15 (1/2" NB) NPT 3000# ROUND CAP END SS 316
Thread: 1/2" 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:
Round Cap End, Blanking, Termination, Stainless Steel
£ 22.19 22.19 GBP
DN15 (1/2" NB) NPT 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: NPT Female
Bore: Full Bore
Internals: PTFE Seals

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 55.79 55.79 GBP
DN15 (1/2" NB) NPT SCH80 PIPE NIPPLE T.B.E (2" LONG) SS 316
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 33.60 33.6 GBP
DN15 (1/2" NB) NPT SCH80 PIPE NIPPLE T.B.E (3" LONG) SS 316
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 40.60 40.6 GBP
DN15 (1/2" NB) NPT SCH80 PIPE NIPPLE T.B.E (4" LONG) SS 316
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 84.00 84.0 GBP
DN15 (1/2" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE SS 304
Flange outside diameter: 95mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 22mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M12 bolts
Material: Stainless Steel
Grade: 304

Standards: EN 1092-1
Pressure Rating: PN16
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Stainless Steel, SS Steel, Bossed, PN16
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE SS 316
Flange outside diameter: 95mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 22mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M12 bolts
Material: Stainless Steel
Grade: 316

Standards: EN 1092-1
Pressure Rating: PN16
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Stainless Steel, SS Steel, Bossed, PN16
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN16/40 FLANGED 2PC LEVER OP. BALL VALVE LEVER OP SS 316
Flanged both ends: 1/2" PN16
Suits an outside diameter (OD) of: 21.3mm
PCD: 65mm Ø (PN10, PN16, PN40)
Face to face: 115mm
Construction: 2 Piece
Body Material: CF8/CF8M (316) Stainless
Bore: Full Bore
Internals: PTFE Seals
Investment Casting
Blowout proof stem
£ 302.05 302.05 GBP
DN15 (1/2" NB) PN6 RF BLIND FLANGE SS 304
Flange overall diameter: 80mm (D)
PCD: 55mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 12mm (C4)
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:
Blank Flange, Blind, Stainless Steel, Stainless Steel, Raised Faced, RF Blind
£ 28.35 28.35 GBP
DN15 (1/2" NB) PN6 RF BLIND FLANGE SS 316
Flange overall diameter: 80mm (D)
PCD: 55mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 12mm (C4)
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:
Blank Flange, Blind, Stainless Steel, Stainless Steel, Raised Faced, RF Blind
£ 23.87 23.87 GBP
DN15 (1/2" NB) PN6 RF BSPP THREADED FLANGE SS 304
Flange outside diameter: 80mm (D)
Flange thickness: 12mm (C2)
Pitch Circle Diameter (PCD): 55mm (K)
Flange hub height: 20mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M10 bolts
Material: Stainless Steel
Grade: 304

Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Stainless Steel, SS Steel, Bossed, PN6
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN6 RF BSPP THREADED FLANGE SS 316
Flange outside diameter: 80mm (D)
Flange thickness: 12mm (C2)
Pitch Circle Diameter (PCD): 55mm (K)
Flange hub height: 20mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M10 bolts
Material: Stainless Steel
Grade: 316

Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Stainless Steel, SS Steel, Bossed, PN6
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN6 RF SLIP ON PLATE FLANGE SS 304
Flange inside diameter of: 22.0mm (B1)
Flange overall diameter: 80mm (D)
PCD: 55mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 12mm (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
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN6 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 22.0mm (B1)
Flange overall diameter: 80mm (D)
PCD: 55mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 12mm (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
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: 304 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 38.22 38.22 GBP
DN15 (1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: 316 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 44.03 44.03 GBP
DN15 (1/2" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.02
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.02
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.02
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 44.38 44.38 GBP
DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: 304 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 38.99 38.99 GBP
DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: 316 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 36.05 36.05 GBP