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

DN20 (3/4" NB) ASA1500 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 130.0mm (O)
Flange thickness: 25.4mm (C)
Flange hub height: 35.0mm (Y)
Pitch Circle Diameter (PCD): 88.9mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 22.3mm diameter
Bore Diameter: 27.6mm (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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) ASA1500 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 130.0mm (O)
Flange thickness: 25.4mm (C)
Flange hub height: 35.0mm (Y)
Pitch Circle Diameter (PCD): 88.9mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 22.3mm diameter
Bore Diameter: 27.6mm (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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) ASA300 RF BLIND FLANGE SS 304
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
Pitch circle diameter (K): 82.5mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 42.9mm
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
DN20 (3/4" NB) ASA300 RF BLIND FLANGE SS 316
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
Pitch circle diameter (K): 82.5mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 42.9mm
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
£ 70.14 70.14 GBP
DN20 (3/4" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 117.3mm (O)
Flange thickness: 15.7mm (C)
Flange hub height: 25.4mm (Y)
Pitch Circle Diameter (PCD): 82.5mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 19.0mm diameter
Bore Diameter: 27.6mm (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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 117.3mm (O)
Flange thickness: 15.7mm (C)
Flange hub height: 25.4mm (Y)
Pitch Circle Diameter (PCD): 82.5mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 19.0mm diameter
Bore Diameter: 27.6mm (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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 117.3mm (O)
Flange thickness: 15.7mm (C)
Flange hub height: 25.4mm (Y)
Pitch Circle Diameter (PCD): 82.5mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 19.0mm diameter
Bore Diameter: 27.6mm (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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 117.3mm (O)
Flange thickness: 15.7mm (C)
Flange hub height: 25.4mm (Y)
Pitch Circle Diameter (PCD): 82.5mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 19.0mm diameter
Bore Diameter: 27.6mm (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
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) BSP 150# (FXF) CONE SEAT UNION SS 316
Thread: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 22.40 22.4 GBP
DN20 (3/4" NB) BSP 150# (FXF) ELBOW 45° SS 316
Thread: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 45°, 45 Deg, Screwed, Low Pressure, 150 psi
£ 8.26 8.26 GBP
DN20 (3/4" NB) BSP 150# (FXF) ELBOW 90° SS 316
Thread: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 90°, 90 Deg, Screwed, Low Pressure, 150 psi
£ 8.12 8.12 GBP
DN20 (3/4" NB) BSP 150# (MXF) CONE SEAT UNION SS 316
Thread: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316

Alternative terminology:
Male x Female, MF, MXF, Union, Threaded, Screwed, Street Union
£ 23.80 23.8 GBP
DN20 (3/4" NB) BSP 150# (MXF) ELBOW 90° SS 316
Side One Thread: 3/4" BSPT Male
Side Two Thread: 3/4" BSPP Female
Both Sides Suit an outside diameter (OD) of: 26.9mm
Male x Female Elbow, Also known as a 'Street Elbow '
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 11.97 11.97 GBP
DN20 (3/4" NB) BSP 150# BARREL NIPPLE SS 316
Thread: 3/4" BSPT Male x Male
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 7.42 7.42 GBP
DN20 (3/4" NB) BSP 150# EQUAL FULL SOCKET SS 316
Thread: 3/4" BSP Female x Female
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 7.42 7.42 GBP
DN20 (3/4" NB) BSP 150# EQUAL TEE SS 316
Thread: 3/4" BSPP Female x Female x Female
Suits an outside diameter of 26.7mm

Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Equal, Tee, Tee Piece, Screwed, Low Pressure, 150 psi
£ 15.40 15.4 GBP
DN20 (3/4" NB) BSP 150# HALF SOCKET SS 316
Thread: 3/4" BSP Female x Female
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 5.32 5.32 GBP
DN20 (3/4" NB) BSP 150# HEX CAP END SS 316
Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
£ 7.49 7.49 GBP
DN20 (3/4" NB) BSP 150# HEX CAP SS 316
Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 7.49 7.49 GBP
DN20 (3/4" NB) BSP 150# HEX HEAD PLUG SS 316
Thread: 3/4" BSPT Male
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 6.37 6.37 GBP
DN20 (3/4" NB) BSP 150# HEX NIPPLE SS 316
£ 7.70 7.7 GBP
DN20 (3/4" NB) BSP 150# ROUND CAP SS 316
Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 4.90 4.9 GBP
DN20 (3/4" NB) BSP 150# SQUARE HEAD PLUG SS 316
Thread: 3/4" BSPT Male
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 6.37 6.37 GBP
DN20 (3/4" NB) BSP 150# WELD NIPPLE SS 316
Side One Thread: 3/4" BSPT Male
Side Two Plain: 3/4" Buttweld
Both sides suit an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 5.88 5.88 GBP
DN20 (3/4" NB) BSPP (FXF) 1PC RB BALL VALVE LEVER OP. SS 316
Threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
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
£ 35.91 35.91 GBP
DN20 (3/4" NB) BSPP 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
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
£ 73.57 73.57 GBP
DN20 (3/4" NB) BSPP FEMALE 150# X 19.05MM HOSE TAIL SS 316
Thread: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.7mm
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
£ 27.37 27.37 GBP
DN20 (3/4" NB) BSPT (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3/4" BSPT Female
Suits an outside diameter (OD) of: 26.9mm
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
£ 54.18 54.18 GBP
DN20 (3/4" NB) BSPT 3000# EQUAL COUPLING SS 316
Thread: 3/4" BSPT
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
DN20 (3/4" NB) BSPT 3000# EQUAL TEE SS 316
Thread: 3/4" BSPT 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:
Equal Tee, Stainless Steel
£ 127.47 127.47 GBP
DN20 (3/4" NB) BSPT 3000# FXF UNION SS 316
Thread: 3/4" BSPT 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:
Union, FXF, Stainless Steel
£ 130.20 130.2 GBP
DN20 (3/4" NB) BSPT 3000# HALF COUPLING SS 316
Thread: 3/4" BSPT
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:
Half Coupling, Half Socket, Straight, Connector, Stainless Steel
£ 28.28 28.28 GBP
DN20 (3/4" NB) BSPT 3000# HEX HEAD PLUG END SS 316
Thread: 3/4" BSPT Male
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:
Hexagon Head Plug, Blanking, Termination, Stainless Steel
£ 24.85 24.85 GBP
DN20 (3/4" NB) BSPT 3000# HEXAGON NIPPLE SS 316
Thread: 3/4" BSPT 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) BSPT 3000# ROUND CAP END SS 316
Thread: 3/4" BSPT 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) BSPT 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 3/4" BSPT Female
Suits an outside diameter (OD) of: 26.9mm
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
£ 74.13 74.13 GBP
DN20 (3/4" NB) BSPT MALE 150# X 19.05MM HOSE TAIL SS 316
Thread: 3/4" BSPT Male
Suits an outside diameter (OD) of: 26.7mm
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
£ 10.50 10.5 GBP
DN20 (3/4" NB) BSPT SCH80 PIPE NIPPLE T.B.E (2" LONG) SS 316
Thread: 3/4" BSPT
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:
Pipe Nipple, TBE, , Stainless Steel
£ 53.20 53.2 GBP
DN20 (3/4" NB) BSPT SCH80 PIPE NIPPLE T.B.E (3" LONG) SS 316
Thread: 3/4" BSPT
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:
Pipe Nipple, TBE, , Stainless Steel
£ 60.20 60.2 GBP
DN20 (3/4" NB) BSPT SCH80 PIPE NIPPLE T.B.E (4" LONG) SS 316
Thread: 3/4" BSPT
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:
Pipe Nipple, TBE, , Stainless Steel
£ 67.20 67.2 GBP