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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 (1.1/2" NB) ASA150 RF BLIND FLANGE SS 316
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Pitch circle diameter (K): 98.5mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 73.1mm
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
£ 83.09 83.09 GBP
DN40 (1.1/2" NB) ASA150 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 127.0mm (O)
Flange thickness: 17.5mm (C)
Flange hub height: 22.3mm (Y)
Pitch Circle Diameter (PCD): 98.5mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 15.7mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA150 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 127.0mm (O)
Flange thickness: 17.5mm (C)
Flange hub height: 22.3mm (Y)
Pitch Circle Diameter (PCD): 98.5mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 15.7mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA1500 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 177.8mm (O)
Flange thickness: 31.7mm (C)
Flange hub height: 44.4mm (Y)
Pitch Circle Diameter (PCD): 123.9mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 28.4mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA1500 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 177.8mm (O)
Flange thickness: 31.7mm (C)
Flange hub height: 44.4mm (Y)
Pitch Circle Diameter (PCD): 123.9mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 28.4mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA300 RF BLIND FLANGE SS 304
Outside diameter (O): 155.4mm
Flange thickness (C): 20.5mm
Pitch circle diameter (K): 114.3mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA300 RF BLIND FLANGE SS 316
Outside diameter (O): 155.4mm
Flange thickness (C): 20.5mm
Pitch circle diameter (K): 114.3mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
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
£ 144.90 144.9 GBP
DN40 (1.1/2" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 155.4mm (O)
Flange thickness: 20.5mm (C)
Flange hub height: 30.2mm (Y)
Pitch Circle Diameter (PCD): 114.3mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 22.3mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 155.4mm (O)
Flange thickness: 20.5mm (C)
Flange hub height: 30.2mm (Y)
Pitch Circle Diameter (PCD): 114.3mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 22.3mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 155.4mm (O)
Flange thickness: 22.3mm (C)
Flange hub height: 31.7mm (Y)
Pitch Circle Diameter (PCD): 114.3mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 22.3mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 155.4mm (O)
Flange thickness: 22.3mm (C)
Flange hub height: 31.7mm (Y)
Pitch Circle Diameter (PCD): 114.3mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 22.3mm diameter
Bore Diameter: 49.5mm (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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) BSP (FXF) 1PC BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Construction: 1 Piece
Body Material: 316 Stainless
Thread: BSP Parallel Thread Female x Female
Bore: Reduced 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
£ 90.44 90.44 GBP
DN40 (1.1/2" NB) BSP 150# (FXF) CONE SEAT UNION SS 316
Thread: 1.1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 54.60 54.6 GBP
DN40 (1.1/2" NB) BSP 150# (FXF) ELBOW 45° SS 316
Thread: 1.1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 45°, 45 Deg, Screwed, Low Pressure, 150 psi
£ 23.94 23.94 GBP
DN40 (1.1/2" NB) BSP 150# (FXF) ELBOW 90° SS 316
Thread: 1.1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 90°, 90 Deg, Screwed, Low Pressure, 150 psi
£ 28.70 28.7 GBP
DN40 (1.1/2" NB) BSP 150# (MXF) CONE SEAT UNION SS 316
Thread: 1.1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

Alternative terminology:
Male x Female, MF, MXF, Union, Threaded, Screwed, Street Union
£ 63.00 63.0 GBP
DN40 (1.1/2" NB) BSP 150# (MXF) ELBOW 90° SS 316
Side One Thread: 1.1/2" BSPT Male
Side Two Thread: 1.1/2" BSPP Female
Both Sides Suit an outside diameter (OD) of: 48.3mm
Male x Female Elbow, Also known as a 'Street Elbow '
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 35.91 35.91 GBP
DN40 (1.1/2" NB) BSP 150# BARREL NIPPLE SS 316
Thread: 1.1/2" BSPT Male x Male
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 16.10 16.1 GBP
DN40 (1.1/2" NB) BSP 150# EQUAL FULL SOCKET SS 316
Thread: 1.1/2" BSP Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 20.51 20.51 GBP
DN40 (1.1/2" NB) BSP 150# EQUAL TEE SS 316
Thread: 1½" BSPP Female x Female x Female
Suits an outside diameter of 48.3mm

Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Equal, Tee, Tee Piece, Screwed, Low Pressure, 150 psi
£ 39.27 39.27 GBP
DN40 (1.1/2" NB) BSP 150# HALF SOCKET SS 316
Thread: 1.1/2" BSP Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 16.10 16.1 GBP
DN40 (1.1/2" NB) BSP 150# HEX CAP END SS 316
Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 20.65 20.65 GBP
DN40 (1.1/2" NB) BSP 150# HEX CAP SS 316
Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 20.93 20.93 GBP
DN40 (1.1/2" NB) BSP 150# HEX HEAD PLUG SS 316
Thread: 1.1/2" BSPT Male
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 18.34 18.34 GBP
DN40 (1.1/2" NB) BSP 150# HEX NIPPLE SS 316
Thread: 1.1/2" BSPT Male x Male
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 21.00 21.0 GBP
DN40 (1.1/2" NB) BSP 150# ROUND CAP END SS 316
£ 17.57 17.57 GBP
DN40 (1.1/2" NB) BSP 150# ROUND CAP SS 316
Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 17.57 17.57 GBP
DN40 (1.1/2" NB) BSP 150# SQUARE HEAD PLUG SS 316
Thread: 1.1/2" BSPT Male
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 18.34 18.34 GBP
DN40 (1.1/2" NB) BSP 150# WELD NIPPLE SS 316
Side One Thread: 1.1/2" BSPT Male
Side One Suits an outside diameter (OD) of: 48.3mm
Side Two Plain: 1.1/2" Buttweld
Side Two Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 13.86 13.86 GBP
DN40 (1.1/2" NB) BSPP (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
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
£ 138.32 138.32 GBP
DN40 (1.1/2" NB) BSPP 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
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
£ 207.69 207.69 GBP
DN40 (1.1/2" NB) BSPP FEMALE 150# X 38.1MM HOSE TAIL SS 316
Thread: 1.1/2" BSPP Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Female Hose Tail, Hose Adaptor, Hose Connector, Barb, Hose Push in Fitting
£ 99.61 99.61 GBP
DN40 (1.1/2" NB) BSPT (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" BSPT Female
Suits an outside diameter (OD) of: 48.3mm
Construction: 2 Piece
Body Material: 316 Stainless
Thread: BSP Taper 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
£ 159.46 159.46 GBP
DN40 (1.1/2" NB) BSPT 3000# EQUAL COUPLING SS 316
Threaded: 1.1/2" BSPT Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 168.84 168.84 GBP
DN40 (1.1/2" NB) BSPT 3000# EQUAL TEE SS 316
Threaded: 1.1/2" BSPT Female 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
£ 373.80 373.8 GBP
DN40 (1.1/2" NB) BSPT 3000# FXF UNION SS 316
Threaded: 1.1/2" BSPT Female 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
£ 297.15 297.15 GBP
DN40 (1.1/2" NB) BSPT 3000# HALF COUPLING SS 316
Threaded: 1.1/2" BSPT 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 Half Socket, Half Coupling, Stainless Steel
£ 122.64 122.64 GBP
DN40 (1.1/2" NB) BSPT 3000# HEX HEAD PLUG END SS 316
Threaded: 1.1/2" BSPT Male Male
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
£ 79.59 79.59 GBP
DN40 (1.1/2" NB) BSPT 3000# HEXAGON NIPPLE SS 316
Threaded: 1.1/2" BSPT Male Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 209.58 209.58 GBP
DN40 (1.1/2" NB) BSPT 3000# ROUND CAP END SS 316
Threaded: 1.1/2" BSPT Female 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
£ 110.88 110.88 GBP