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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

DN20 (3/4" NB) NPT 3000# HEXAGON NIPPLE SS 316
Thread: 3/4" NPT Male x Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Nipple, Straight, Connector, Stainless Steel
£ 53.20 53.2 GBP
DN20 (3/4" NB) NPT 3000# ROUND CAP END SS 316
Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Round Cap End, Blanking, Termination, Stainless Steel
£ 32.83 32.83 GBP
DN20 (3/4" NB) NPT 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: NPT Female
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 74.13 74.13 GBP
DN20 (3/4" NB) NPT SCH80 PIPE NIPPLE T.B.E (2" LONG) SS 316
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 53.20 53.2 GBP
DN20 (3/4" NB) NPT SCH80 PIPE NIPPLE T.B.E (3" LONG) SS 316
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 60.20 60.2 GBP
DN20 (3/4" NB) NPT SCH80 PIPE NIPPLE T.B.E (4" LONG) SS 316
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 87.50 87.5 GBP
DN20 (3/4" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE SS 304
Flange outside diameter: 105mm (D)
Flange thickness: 18mm (C2)
Pitch Circle Diameter (PCD): 75mm (K)
Flange hub height: 26mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE SS 316
Flange outside diameter: 105mm (D)
Flange thickness: 18mm (C2)
Pitch Circle Diameter (PCD): 75mm (K)
Flange hub height: 26mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN16/40 FLANGED 2PC LEVER OP. BALL VALVE LEVER OP SS 316
Flanged both ends: 3/4" PN16
Suits an outside diameter (OD) of: 26.9mm
PCD: 75mm Ø (PN10, PN16, PN40)
Face to face: 120mm
Construction: 2 Piece
Body Material: CF8/CF8M (316) Stainless
Bore: Full Bore
Internals: PTFE Seals
Investment Casting
Blowout proof stem
£ 365.05 365.05 GBP
DN20 (3/4" NB) PN6 RF BLIND FLANGE SS 304
Flange overall diameter: 90mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 14mm (C4)
Diameter of Raised Face (RF): 52mm (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
£ 43.47 43.47 GBP
DN20 (3/4" NB) PN6 RF BLIND FLANGE SS 316
Flange overall diameter: 90mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 14mm (C4)
Diameter of Raised Face (RF): 52mm (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
£ 51.38 51.38 GBP
DN20 (3/4" NB) PN6 RF BSPP THREADED FLANGE SS 304
Flange outside diameter: 90mm (D)
Flange thickness: 14mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 24mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN6 RF BSPP THREADED FLANGE SS 316
Flange outside diameter: 90mm (D)
Flange thickness: 14mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 24mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN6 RF SLIP ON PLATE FLANGE SS 304
Flange inside diameter of: 27.5mm (B1)
Flange overall diameter: 90mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 14mm (C1)
Diameter of Raised Face (RF): 52mm (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
DN20 (3/4" NB) PN6 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 27.5mm (B1)
Flange overall diameter: 90mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 14mm (C1)
Diameter of Raised Face (RF): 52mm (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
DN20 (3/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
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
£ 56.14 56.14 GBP
DN20 (3/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
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
£ 51.45 51.45 GBP
DN20 (3/4" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 26.7mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.30
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
DN20 (3/4" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 26.7mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.30
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
DN20 (3/4" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 26.7mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 6 meters
Weight Per Meter: 1.30
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.

£ 36.54 36.54 GBP
DN20 (3/4" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 26.7mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.30
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.

£ 56.70 56.7 GBP
DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
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
£ 57.75 57.75 GBP
DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
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
£ 52.99 52.99 GBP
DN20 (3/4" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.71
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
DN20 (3/4" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 316
Pipe Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 1.7kg
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.
£ 90.65 90.65 GBP
DN20 (3/4" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 1.71kg
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.
£ 40.25 40.25 GBP
DN20 (3/4" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.71
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.

£ 76.79 76.79 GBP
DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: Stainless Steel 304
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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: Stainless Steel 316
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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 304
Pipe Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 3.91mm (Sch80)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 2.20kg
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
DN20 (3/4" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 316
Pipe Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 3.91mm (Sch80)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 2.20kg
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.
£ 123.83 123.83 GBP
DN20 (3/4" NB) SOCKET WELD 3000# ELBOW 90° SS 316
Both sides: 3/4" Socket Weld
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless 316

Standards:
Nominal Bore, Socket Weld, High Pressure, 3000 psi, 3000 lb, Class 3000, Forged Stainless, ANSI B16.11/BS3799

Applications:
High Pressure Applications, Steam, Chemicals, Water, Oil & Gasses*

Alternative terminology:
Forged, Stainless, Socket Weld, 90, 90° Elbow, Fittings.
£ 63.14 63.14 GBP
DN20 (3/4" NB) SOCKET WELD 3000# FULL COUPLING SS 316
Both sides: 3/4" Socket Weld
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless 316

Standards:
Nominal Bore, Socket Weld, High Pressure, 3000 psi, 3000 lb, Class 3000, Forged Stainless, ANSI B16.11/BS3799

Applications:
High Pressure Applications, Steam, Chemicals, Water, Oil & Gasses*

Alternative terminology:
Forged, Stainless, Socket Weld, Coupling, Socket, Straight, Equal.
£ 40.81 40.81 GBP
DN20 (3/4" NB) SW 150# ELBOW 45° SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Socket Weld, Elbow, 45°, 45 Deg, Weldable, Low Pressure, 150 psi
£ 15.54 15.54 GBP
DN20 (3/4" NB) SW 150# ELBOW 90° SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Socket Weld, Elbow, 90°, 90 Deg, Weldable, Low Pressure, 150 psi
£ 14.98 14.98 GBP
DN20 (3/4" NB) SW 150# (FXF) CONE SEAT UNION SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 24.43 24.43 GBP
DN20 (3/4" NB) SW 150# EQUAL FULL SOCKET SS 316
Connection: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 14.35 14.35 GBP
DN20 (3/4" NB) SW 150# EQUAL TEE SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter of 26.7mm

Material: Stainless
Grade: 316

Standards:
Nominal Bore, SW (Socket Weld), Equal, Tee, Tee Piece, Weldable, Low Pressure, 150 psi
£ 18.34 18.34 GBP
DN20 (3/4" NB) SW 150# ROUND CAP SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, SW (Socket Weld), Weldable, Low Pressure, 150 psi

Alternative terminology:
SW Cap, Termination, Blanking Cap, Cap End
£ 10.36 10.36 GBP
DN20 (3/4" NB) SW 3000# EQUAL COUPLING SS 316
Connection: 3/4" SW
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Stainless Steel
£ 41.58 41.58 GBP