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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

DN50x32 (2" x 1.1/4" NB) BSP 150# REDUCING TEE SS 316
Thread: 2" BSPP Female x Female, 1.1/4" BSPP Female Branch
Suits main run OD 60.3mm, branch OD 42.2mm

Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Reducing Tee, Tee Piece, Screwed, Low Pressure, 150 psi
£ 70.49 70.49 GBP
DN50x40 (2" x 1.1/2" NB) BSP 150# REDUCING TEE SS 316
Thread: 2" BSPP Female x Female, 1.1/2" BSPP Female Branch
Suits main run OD 60.3mm, branch OD 48.3mm

Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Reducing Tee, Tee Piece, Screwed, Low Pressure, 150 psi
£ 68.88 68.88 GBP
DN57 (2.1/4" NB) BSP 150# EQUAL FULL SOCKET SS 316
Thread: 2.1/4" BSP Female x Female
Material: Stainless
Grade: 316
£ 133.00 133.0 GBP
DN65 (2 1/2" NB) PN16 RF BSPP THREADED FLANGE SS 304
Flange outside diameter: 185mm (D)
Flange thickness: 18mm (C2)
Pitch Circle Diameter (PCD): 145mm (K)
Flange hub height: 28mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 2 1/2"
Bolt Holes: 4 OR 8 off M16 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

Part of our Flanges and Flanged Connections Range
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DN65 (2 1/2" NB) PN16 RF BSPP THREADED FLANGE SS 316
Flange outside diameter: 185mm (D)
Flange thickness: 18mm (C2)
Pitch Circle Diameter (PCD): 145mm (K)
Flange hub height: 28mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 2 1/2"
Bolt Holes: 4 OR 8 off M16 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

Part of our Flanges and Flanged Connections Range
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DN65 (2 1/2" NB) PN6 RF BSPP THREADED FLANGE SS 304
Flange outside diameter: 160mm (D)
Flange thickness: 14mm (C2)
Pitch Circle Diameter (PCD): 130mm (K)
Flange hub height: 28mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 2 1/2"
Bolt Holes: 4 off M16 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

Part of our Flanges and Flanged Connections Range
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DN65 (2 1/2" NB) PN6 RF BSPP THREADED FLANGE SS 316
Flange outside diameter: 160mm (D)
Flange thickness: 14mm (C2)
Pitch Circle Diameter (PCD): 130mm (K)
Flange hub height: 28mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 2 1/2"
Bolt Holes: 4 off M16 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

Part of our Flanges and Flanged Connections Range
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DN65 (2"1/2 NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg

Part of our Flanges and Flanged Connections Range
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DN65 (2"1/2 NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg

Part of our Flanges and Flanged Connections Range
£ 294.28 294.28 GBP
DN65 (2"1/2 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg

Part of our Flanges and Flanged Connections Range
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DN65 (2"1/2 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg

Part of our Flanges and Flanged Connections Range
£ 338.24 338.24 GBP
DN65 (2"1/2 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg

Part of our Flanges and Flanged Connections Range
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DN65 (2"1/2 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA150 FLANGED 2PC LEVER OP. BALL VALVE LEVER OP SS 316
Flanged both ends: 2.1/2" ASA 150
Suits an outside diameter (OD) of: 73mm
PCD: 139.7mm Ø (ANSI 150)
Face to face: 190mm
Construction: 2 Piece
Body Material: CF8/CF8M (316) Stainless
Bore: Full Bore
Internals: PTFE Seals
Investment Casting
Blowout proof stem

Part of our Isolation and Valves Range

Part of our Flanges and Flanged Connections Range
£ 1,566.46 1566.46 GBP
DN65 (2.1/2" NB) ASA150 RF BLIND FLANGE SS 304
Outside diameter (O): 177.8mm
Flange thickness (C): 22.3mm
Pitch circle diameter (K): 139.7mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 104.6mm
Number of bolt holes: 4
Material: Stainless Steel 304
Rating: ASA 150
Type: Blind flange (ASME B16.5)

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

Alternative terminology:
Blind Flange, Blank, ASA150, Stainless Steel, Raised Faced

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA150 RF BLIND FLANGE SS 316
Outside diameter (O): 177.8mm
Flange thickness (C): 22.3mm
Pitch circle diameter (K): 139.7mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 104.6mm
Number of bolt holes: 4
Material: Stainless Steel 316
Rating: ASA 150
Type: Blind flange (ASME B16.5)

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

Alternative terminology:
Blind Flange, Blank, ASA150, Stainless Steel, Raised Faced

Part of our Flanges and Flanged Connections Range
£ 311.57 311.57 GBP
DN65 (2.1/2" NB) ASA150 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 177.8mm (O)
Flange thickness: 22.3mm (C)
Flange hub height: 28.4mm (Y)
Pitch Circle Diameter (PCD): 139.7mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 19.0mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 304
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 150LB, SOB

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA150 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 177.8mm (O)
Flange thickness: 22.3mm (C)
Flange hub height: 28.4mm (Y)
Pitch Circle Diameter (PCD): 139.7mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 19.0mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 316
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 150LB, SOB

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA1500 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 244.3mm (O)
Flange thickness: 41.1mm (C)
Flange hub height: 63.5mm (Y)
Pitch Circle Diameter (PCD): 190.5mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 8 off 28.4mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 304
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 1500LB, SOB

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA1500 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 244.3mm (O)
Flange thickness: 41.1mm (C)
Flange hub height: 63.5mm (Y)
Pitch Circle Diameter (PCD): 190.5mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 8 off 28.4mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 316
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 1500LB, SOB

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA300 RF BLIND FLANGE SS 304
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Pitch circle diameter (K): 149.3mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 104.6mm
Number of bolt holes: 8
Material: Stainless Steel 304
Rating: ASA 300
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA300, Stainless Steel, Raised Faced

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA300 RF BLIND FLANGE SS 316
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Pitch circle diameter (K): 149.3mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 104.6mm
Number of bolt holes: 8
Material: Stainless Steel 316
Rating: ASA 300
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA300, Stainless Steel, Raised Faced

Part of our Flanges and Flanged Connections Range
£ 342.79 342.79 GBP
DN65 (2.1/2" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 190.5mm (O)
Flange thickness: 25.4mm (C)
Flange hub height: 38.1mm (Y)
Pitch Circle Diameter (PCD): 149.3mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 8 off 22.3mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 304
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 300LB, SOB

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN65 (2.1/2" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 190.5mm (O)
Flange thickness: 25.4mm (C)
Flange hub height: 38.1mm (Y)
Pitch Circle Diameter (PCD): 149.3mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 8 off 22.3mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 316
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 300LB, SOB

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 190.5mm (O)
Flange thickness: 28.4mm (C)
Flange hub height: 41.1mm (Y)
Pitch Circle Diameter (PCD): 149.3mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 8 off 22.3mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 304
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 600LB, SOB

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 190.5mm (O)
Flange thickness: 28.4mm (C)
Flange hub height: 41.1mm (Y)
Pitch Circle Diameter (PCD): 149.3mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 8 off 22.3mm diameter
Bore Diameter: 74.6mm (B)
Material: Stainless Steel
Grade: 316
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Raised Faced, ASA 600LB, SOB

Part of our Flanges and Flanged Connections Range
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DN65 (2.1/2" NB) BSP 150# (FXF) CONE SEAT UNION SS 316
Thread: 2.1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 127.40 127.4 GBP
DN65 (2.1/2" NB) BSP 150# (FXF) ELBOW 45° SS 316
Thread: 2.1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 45°, 45 Deg, Screwed, Low Pressure, 150 psi
£ 61.18 61.18 GBP
DN65 (2.1/2" NB) BSP 150# (FXF) ELBOW 90° SS 316
Thread: 2.1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 90°, 90 Deg, Screwed, Low Pressure, 150 psi
£ 82.60 82.6 GBP
DN65 (2.1/2" NB) BSP 150# (MXF) ELBOW 90° SS 316
Side One Thread: 2.1/2" BSPT Male
Side Two Thread: 2.1/2" BSPP Female
Both Sides Suit an outside diameter (OD) of: 73mm
Male x Female Elbow, Also known as a 'Street Elbow '
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 106.40 106.4 GBP
DN65 (2.1/2" NB) BSP 150# BARREL NIPPLE SS 316
Thread: 2.1/2" BSPT Male x Male
Suits an outside diameter (OD) of: 73.0mm
Material: Stainless
Grade: 316
£ 42.56 42.56 GBP
DN65 (2.1/2" NB) BSP 150# EQUAL FULL SOCKET SS 316
Thread: 2.1/2" BSP Female x Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 34.72 34.72 GBP
DN65 (2.1/2" NB) BSP 150# HALF SOCKET SS 316
Thread: 2.1/2" BSP Female x Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316
£ 34.72 34.72 GBP
DN65 (2.1/2" NB) BSP 150# HEX CAP SS 316
Thread: 2.1/2" BSPP Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 73.29 73.29 GBP
DN65 (2.1/2" NB) BSP 150# HEX HEAD PLUG SS 316
Thread: 2.1/2" BSPT Male
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 45.22 45.22 GBP
DN65 (2.1/2" NB) BSP 150# ROUND CAP SS 316
Thread: 2.1/2" BSPP Female
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 40.67 40.67 GBP
DN65 (2.1/2" NB) BSP 150# SQUARE HEAD PLUG SS 316
Thread: 2.1/2" BSPT Male
Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 45.22 45.22 GBP
DN65 (2.1/2" NB) BSP 150# WELD NIPPLE SS 316
Side One Thread: 2.1/2" BSPT Male
Side One Suits an outside diameter (OD) of: 73mm
Side Two Plain: 2.1/2" Buttweld
Side Two Suits an outside diameter (OD) of: 73mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 25.55 25.55 GBP
DN65 (2.1/2" NB) BSPP (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 2.1/2" BSPP Female
Suits an outside diameter (OD) of: 73mm
Construction: 2 Piece
Body Material: 316 Stainless
Thread: BSP Parallel Thread Female x 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

Part of our Isolation and Valves Range
£ 530.53 530.53 GBP
DN65 (2.1/2" NB) BSPP 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 2.1/2" BSPP Female
Suits an outside diameter (OD) of: 73mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: BSP Parallel 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

Part of our Isolation and Valves Range
£ 691.95 691.95 GBP