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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

DN15 (1/2" NB) ASA300 RF BLIND FLANGE SS 316
Outside diameter (O): 95.2mm
Flange thickness (C): 14.2mm
Pitch circle diameter (K): 66.5mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 35.0mm
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
£ 35.63 35.63 GBP
DN15 (1/2" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 95.2mm (O)
Flange thickness: 14.2mm (C)
Flange hub height: 22.3mm (Y)
Pitch Circle Diameter (PCD): 66.5mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 15.7mm diameter
Bore Diameter: 22.3mm (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
DN15 (1/2" NB) ASA300 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 95.2mm (O)
Flange thickness: 14.2mm (C)
Flange hub height: 22.3mm (Y)
Pitch Circle Diameter (PCD): 66.5mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 4 off 15.7mm diameter
Bore Diameter: 22.3mm (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
DN15 (1/2" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 304
Flange outside diameter: 95.2mm (O)
Flange thickness: 14.2mm (C)
Flange hub height: 22.3mm (Y)
Pitch Circle Diameter (PCD): 66.5mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 15.7mm diameter
Bore Diameter: 22.3mm (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
DN15 (1/2" NB) ASA600 RF BOSSED SLIP ON FLANGE SS 316
Flange outside diameter: 95.2mm (O)
Flange thickness: 14.2mm (C)
Flange hub height: 22.3mm (Y)
Pitch Circle Diameter (PCD): 66.5mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 4 off 15.7mm diameter
Bore Diameter: 22.3mm (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
DN15 (1/2" NB) BSP (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
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
£ 33.25 33.25 GBP
DN15 (1/2" NB) BSP 150# (FXF) CONE SEAT UNION SS 316
Thread: 1/2" BSPT Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 14.00 14.0 GBP
DN15 (1/2" NB) BSP 150# (FXF) ELBOW 45° SS 316
Thread: 1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 45°, 45 Deg, Screwed, Low Pressure, 150 psi
£ 6.09 6.09 GBP
DN15 (1/2" NB) BSP 150# (FXF) ELBOW 90° SS 316
Thread: 1/2" BSPP Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 90°, 90 Deg, Screwed, Low Pressure, 150 psi
£ 6.02 6.02 GBP
DN15 (1/2" NB) BSP 150# (MXF) CONE SEAT UNION SS 316
Side One Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Side Two Thread: 1/2" BSPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316

Alternative terminology:
Male x Female, MF, MXF, Union, Threaded, Screwed, Street Union
£ 17.15 17.15 GBP
DN15 (1/2" NB) BSP 150# (MXF) ELBOW 90° SS 316
Side One Thread: 1/2" BSPT Male
Side Two Thread: 1/2" BSPP Female
Both Sides Suit an outside diameter (OD) of: 21.3mm
Male x Female Elbow, Also known as a 'Street Elbow '
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 7.42 7.42 GBP
DN15 (1/2" NB) BSP 150# BARREL NIPPLE SS 316
Thread: 1/2" BSPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 5.25 5.25 GBP
DN15 (1/2" NB) BSP 150# EQUAL FULL SOCKET SS 316
Thread: 1/2" BSP Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 6.30 6.3 GBP
DN15 (1/2" NB) BSP 150# EQUAL TEE SS 316
Thread: 1/2" BSPP Female x Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless Steel
Grade: 316
£ 8.75 8.75 GBP
DN15 (1/2" NB) BSP 150# HALF SOCKET SS 316
Thread: 1/2" BSP Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 3.85 3.85 GBP
DN15 (1/2" NB) BSP 150# HEX CAP SS 316
Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 5.60 5.6 GBP
DN15 (1/2" NB) BSP 150# HEX HEAD PLUG SS 316
Thread: 1/2" BSPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 5.88 5.88 GBP
DN15 (1/2" NB) BSP 150# HEX NIPPLE SS 316
Thread: 1/2" BSPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 5.25 5.25 GBP
DN15 (1/2" NB) BSP 150# ROUND CAP SS 316
Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi

Alternative terminology:
Female Cap, Termination, Blanking Cap, Cap End
£ 3.71 3.71 GBP
DN15 (1/2" NB) BSP 150# SQUARE HEAD PLUG SS 316
Thread: 1/2" BSPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316

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

Alternative terminology:
Male Plug, Termination, Blanking Plug, Stop end
£ 5.88 5.88 GBP
DN15 (1/2" NB) BSP 150# WELD NIPPLE SS 316
Side One Thread: 1/2" BSPT Male
Side Two Plain: 1/2" Buttweld
Both sides suit an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi
£ 5.04 5.04 GBP
DN15 (1/2" NB) BSPP 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
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
£ 53.62 53.62 GBP
DN15 (1/2" NB) BSPP FEMALE 150# X 12.7MM HOSE TAIL SS 316
Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm
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
£ 23.03 23.03 GBP
DN15 (1/2" NB) BSPT (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1/2" BSPT Female
Suits an outside diameter (OD) of: 21.3mm
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
£ 41.23 41.23 GBP
DN15 (1/2" NB) BSPT 3000# EQUAL COUPLING SS 316
Thread: 1/2" BSPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Stainless Steel
£ 28.49 28.49 GBP
DN15 (1/2" NB) BSPT 3000# EQUAL TEE SS 316
Thread: 1/2" BSPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Tee, Stainless Steel
£ 73.22 73.22 GBP
DN15 (1/2" NB) BSPT 3000# FXF UNION SS 316
Thread: 1/2" BSPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Union, FXF, Stainless Steel
£ 96.18 96.18 GBP
DN15 (1/2" NB) BSPT 3000# HALF COUPLING SS 316
Thread: 1/2" BSPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Half Coupling, Half Socket, Straight, Connector, Stainless Steel
£ 19.39 19.39 GBP
DN15 (1/2" NB) BSPT 3000# HEX HEAD PLUG END SS 316
Thread: 1/2" BSPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Hexagon Head Plug, Blanking, Termination, Stainless Steel
£ 17.08 17.08 GBP
DN15 (1/2" NB) BSPT 3000# HEXAGON NIPPLE SS 316
Thread: 1/2" BSPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Nipple, Straight, Connector, Stainless Steel
£ 33.60 33.6 GBP
DN15 (1/2" NB) BSPT 3000# ROUND CAP END SS 316
Thread: 1/2" BSPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Round Cap End, Blanking, Termination, Stainless Steel
£ 22.19 22.19 GBP
DN15 (1/2" NB) BSPT 3PC (FXF) FB BALL VALVE LEVER OP. SS 316
Threaded: 1/2" BSPT Female
Suits an outside diameter (OD) of: 21.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: BSP Taper Female
Bore: Full Bore
Internals: PTFE Seals

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 55.79 55.79 GBP
DN15 (1/2" NB) BSPT MALE 150# X 12.7MM HOSE TAIL SS 316
Thread: 1/2" BSPT Male
Suits an outside diameter (OD) of: 21.3mm
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
£ 9.31 9.31 GBP
DN15 (1/2" NB) BSPT SCH80 PIPE NIPPLE T.B.E (2" LONG) SS 316
Thread: 1/2" BSPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 33.60 33.6 GBP
DN15 (1/2" NB) BSPT SCH80 PIPE NIPPLE T.B.E (3" LONG) SS 316
Thread: 1/2" BSPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 40.60 40.6 GBP
DN15 (1/2" NB) BSPT SCH80 PIPE NIPPLE T.B.E (4" LONG) SS 316
Thread: 1/2" BSPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Stainless Steel
£ 47.60 47.6 GBP
DN15 (1/2" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3/8" NB Buttweld (BW)
Suits an outside diameter (OD) of: 17.15mm
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
£ 54.32 54.32 GBP
DN15 (1/2" NB) NPT (FXF) 2PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
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
£ 41.37 41.37 GBP
DN15 (1/2" NB) NPT 150# (FXF) CONE SEAT UNION SS 316
Thread: 1/2" NPT Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
£ 24.29 24.29 GBP
DN15 (1/2" NB) NPT 150# (FXF) ELBOW 45° SS 316
Thread: 1/2" NPT Female x Female
Suits an outside diameter (OD) of: 21.3mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Threaded, Elbow, 45°, 45 Deg, Screwed, Low Pressure, 150 psi
£ 13.58 13.58 GBP