Skip to Content
  1. Products
  2. Stainless

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.

List 600
Sort By: Name (A-Z)

Stainless

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

Part of our Isolation and Valves Range
£ 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

Part of our Isolation and Valves Range
£ 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

Part of our Isolation and Valves Range
£ 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
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

Part of our Isolation and Valves Range
£ 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

Part of our Isolation and Valves Range
£ 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

Part of our Isolation and Valves Range
£ 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

Part of our Isolation and Valves Range
£ 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