Skip to Content

Integraflow Store 

  1. Products
  2. Stainless
  3. Nominal Bore

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.

List 600
Sort By: Name (A-Z)

Nominal Bore

DN40 (1.1/2" NB) BSPT 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" BSPT Female
Suits an outside diameter (OD) of: 48.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: BSP Taper 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
£ 207.13 207.13 GBP
DN40 (1.1/2" NB) BSPT MALE 150# X 38.1MM HOSE TAIL 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:
Female Hose Tail, Hose Adaptor, Hose Connector, Barb, Hose Push in Fitting
£ 33.25 33.25 GBP
DN40 (1.1/2" NB) BSPT SCH80 PIPE NIPPLE T.B.E (2" LONG) 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 TBE, Pipe Nipple, Stainless Steel
£ 209.58 209.58 GBP
DN40 (1.1/2" NB) BSPT SCH80 PIPE NIPPLE T.B.E (3" LONG) 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 TBE, Pipe Nipple, Stainless Steel
£ 216.58 216.58 GBP
DN40 (1.1/2" NB) BSPT SCH80 PIPE NIPPLE T.B.E (4" LONG) 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 TBE, Pipe Nipple, Stainless Steel
£ 223.58 223.58 GBP
DN40 (1.1/2" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" NB Buttweld (BW)
Suits an outside diameter (OD) of: 48.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
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
£ 205.87 205.87 GBP
DN40 (1.1/2" NB) NPT (FXF) 1PC BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" NPT Female
Suits an outside diameter (OD) of: 48.3mm
Construction: 1 Piece
Body Material: 316 Stainless
Thread: NPT 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
£ 101.99 101.99 GBP
DN40 (1.1/2" NB) NPT (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" NPT Female
Suits an outside diameter (OD) of: 48.3mm
Construction: 2 Piece
Body Material: 316 Stainless
Thread: NPT 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
£ 159.39 159.39 GBP
DN40 (1.1/2" NB) NPT 150# (FXF) CONE SEAT UNION SS 316
Thread: 1.1/2" NPT Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 97.93 97.93 GBP
DN40 (1.1/2" NB) NPT 150# (FXF) ELBOW 45° SS 316
Thread: 1.1/2" NPT 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
£ 55.72 55.72 GBP
DN40 (1.1/2" NB) NPT 150# (FXF) ELBOW 90° SS 316
Thread: 1.1/2" NPT 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
£ 48.09 48.09 GBP
DN40 (1.1/2" NB) NPT 150# (MXF) ELBOW 90° SS 316
Side One Thread: 1.1/2" NPT Male
Side Two Thread: 1.1/2" NPT 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
£ 54.95 54.95 GBP
DN40 (1.1/2" NB) NPT 150# BARREL NIPPLE SS 316
Thread: 1.1/2" NPT Male x Male
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 32.06 32.06 GBP
DN40 (1.1/2" NB) NPT 150# EQUAL FULL SOCKET SS 316
Thread: 1.1/2" NPT Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 55.30 55.3 GBP
DN40 (1.1/2" NB) NPT 150# EQUAL TEE SS 316
Thread: 1½" NPT 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
£ 64.54 64.54 GBP
DN40 (1.1/2" NB) NPT 150# HALF SOCKET SS 316
Thread: 1.1/2" NPT Female x Female
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 37.03 37.03 GBP
DN40 (1.1/2" NB) NPT 150# HEX CAP SS 316
Thread: 1.1/2" NPT 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
£ 30.66 30.66 GBP
DN40 (1.1/2" NB) NPT 150# HEX HEAD PLUG SS 316
Thread: 1.1/2" NPT 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
£ 25.90 25.9 GBP
DN40 (1.1/2" NB) NPT 150# ROUND CAP SS 316
Thread: 1.1/2" NPT 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
£ 25.27 25.27 GBP
DN40 (1.1/2" NB) NPT 150# SQUARE HEAD PLUG SS 316
Thread: 1.1/2" NPT 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
£ 16.45 16.45 GBP
DN40 (1.1/2" NB) NPT 3000# EQUAL COUPLING SS 316
Threaded: 1.1/2" NPT 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) NPT 3000# EQUAL TEE SS 316
Threaded: 1.1/2" NPT 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
£ 405.16 405.16 GBP
DN40 (1.1/2" NB) NPT 3000# FXF UNION SS 316
Threaded: 1.1/2" NPT 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
£ 307.09 307.09 GBP
DN40 (1.1/2" NB) NPT 3000# HALF COUPLING SS 316
Threaded: 1.1/2" NPT 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) NPT 3000# HEX HEAD PLUG END SS 316
Threaded: 1.1/2" NPT 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) NPT 3000# HEXAGON NIPPLE SS 316
Threaded: 1.1/2" NPT 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) NPT 3000# ROUND CAP END SS 316
Threaded: 1.1/2" NPT 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
DN40 (1.1/2" NB) NPT 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" NPT Female
Suits an outside diameter (OD) of: 48.3mm
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
£ 207.13 207.13 GBP
DN40 (1.1/2" NB) NPT SCH80 PIPE NIPPLE T.B.E (2" LONG) SS 316
Threaded: 1.1/2" NPT Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal TBE, Pipe Nipple, Stainless Steel
£ 209.58 209.58 GBP
DN40 (1.1/2" NB) NPT SCH80 PIPE NIPPLE T.B.E (3" LONG) SS 316
Threaded: 1.1/2" NPT Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal TBE, Pipe Nipple, Stainless Steel
£ 216.58 216.58 GBP
DN40 (1.1/2" NB) NPT SCH80 PIPE NIPPLE T.B.E (4" LONG) SS 316
Threaded: 1.1/2" NPT Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 304
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal TBE, Pipe Nipple, Stainless Steel
£ 223.58 223.58 GBP
DN40 (1.1/2" NB) PN16/40 FLANGED 2PC LEVER OP. BALL VALVE LEVER OP SS 316
Flanged both ends: 1.1/2" PN16
Suits an outside diameter (OD) of: 48.3mm
PCD: 110mm Ø (PN10, PN16, PN40)
Face to face: 140mm
Construction: 2 Piece
Body Material: CF8/CF8M (316) Stainless
Bore: Full Bore
Internals: PTFE Seals
Investment Casting
Blowout proof stem
£ 856.87 856.87 GBP
DN40 (1.1/2" NB) PN6 RF BLIND FLANGE SS 304
Flange overall diameter: 130mm (D)
PCD: 100mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 16mm (C4)
Diameter of Raised Face (RF): 80mm (D1)
Height of Raised Face: 3mm (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
£ 65.38 65.38 GBP
DN40 (1.1/2" NB) PN6 RF BLIND FLANGE SS 316
Flange overall diameter: 130mm (D)
PCD: 100mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 16mm (C4)
Diameter of Raised Face (RF): 80mm (D1)
Height of Raised Face: 3mm (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
£ 98.07 98.07 GBP
DN40 (1.1/2" NB) PN6 RF SLIP ON PLATE FLANGE SS 304
Flange inside diameter of: 49.5mm (B1)
Flange overall diameter: 130mm (D)
PCD: 100mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 16mm (C1)
Diameter of Raised Face (RF): 80mm (D1)
Height of raised face: 3mm (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
DN40 (1.1/2" NB) PN6 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 49.5mm (B1)
Flange overall diameter: 130mm (D)
PCD: 100mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 16mm (C1)
Diameter of Raised Face (RF): 80mm (D1)
Height of raised face: 3mm (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
DN40 (1.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
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
£ 94.08 94.08 GBP
DN40 (1.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
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
£ 110.39 110.39 GBP
DN40 (1.1/2" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 3.68
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
DN40 (1.1/2" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 3.68
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