Suppliers of Pipes, Valves, Fittings & Flanges

Stainless Steel Schedule Pipes 

Welded & Seamless (304, 316, 316L)

We supply a full range of stainless steel schedule pipe, available in both seamless and welded forms for pressure-rated systems and corrosive environments.

• Grades: 304, 304L, 316, 316L
• Standards: ASTM A312, EN 10216-5, EN 10217-7
• Construction: Seamless (cold/hot finished), welded (ERW/TIG/Laser)
• Schedules: 10S, 40S, 80S, 160, XXS
• Surface: Pickled, descaled, or mill finish

Applications:

• Chemical processing and acidic environments
• Steam lines and CIP loops
• Food-grade and pharmaceutical pipework
• Marine and offshore systems

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Available in random or fixed lengths, all with optional polishing, heat number traceability, and test certification.

Metric Welded Stainless Tube 

EN 10217-7

Our welded stainless pipe is manufactured to EN 10217-7, ideal for general fabrication, mechanical use, and pressurised service.

• Grades: 304, 316
• Standard: EN 10217-7 (Welded stainless steel tubes for pressure purposes)
• Form: Longitudinally welded, pickled or bright annealed
• Sizes: DN10 to DN300 (12mm – 323.9mm OD)

Applications:

• Architectural structures
• Plantroom installations
• Air, water, and process pipelines
• Equipment and skid assemblies

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Offered in 6m lengths or custom lengths and compatible with butt-weld fittings and flanges.

Hygienic Stainless Steel Tube 

DIN 11850 (Imperial & Metric)

We offer DIN 11850 hygienic tube, ideal for food, dairy, beverage, and pharmaceutical systems. This product meets high-purity processing standards, ensuring cleanability and corrosion resistance.

• Standards: DIN 11850, ISO 2037
• Grades: 304, 316L
• Surface Finishes: Descaled (mechanically polished), dull polished (externally brushed)
• Sizes:
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  • Imperial OD: 1/2” to 4” OD
  • Metric OD: 12mm to 204mm

Applications:

• Brewing and distilling
• Dairy and food production
• Clean-in-place (CIP) lines
• Cosmetics and biotech

Supplied with smooth internal surfaces and weld ends. Bends, tees, reducers, and clamps also available to match.

Pressfit Stainless Steel Tube 304 & 316L WRAS Approved

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We stock and supply Pressfit stainless steel tube systems, designed for quick installation and long-lasting reliabilityin commercial and industrial buildings.

• Profile: M-profile press
• Grades: 304 for HVAC and closed systems; 316L for potable and aggressive environments
• Sizes: 15mm to 108mm OD
• Sealing Options: EPDM (standard), FKM (high-temp), HNBR (gas)
• Operating Pressure: Up to 16 bar
• Temperature Range: -30°C to 120°C
• Approvals: WRAS, DVGW, KIWA, ISO 9001 certified

Applications:

• Potable water systems
• Chilled water and heating circuits
• Compressed air
• Process water and glycol loops

All pipe and fittings are corrosion-resistant, lightweight, and require no hot work for installation — ideal for fast-tracked projects or retrofit environments.

Carbon Steel Schedule Pipes 

A106 & API 5L Seamless and Welded

At Integraflow, we supply a complete range of carbon steel schedule pipes for high-pressure and high-temperature industrial systems. Our stock includes ASTM A106 Grade B and API 5L (PSL1 & PSL2) seamless and welded pipe options.

• Standards: ASTM A106 (Seamless), API 5L (Seamless & ERW)
• Grades: A106 Gr B, API 5L Gr B/X42/X52
• Form: Seamless Hot-Finished or ERW
• Schedules: SCHEDULE 40 (STD), SCHEDULE 80 (XS), SCHEDULE 160, XXS
• Sizes: DN15 to DN600 (1/2” – 24”) and above on request
• Lengths: 6m or 12m random lengths; cut-to-length available

Applications:

• Steam and condensate lines
• Oil and gas transmission
• Power plant and boiler pipework
• Chemical and refinery services

Supplied with EN 10204 3.1 mill test certification and full traceability. NDE, bevelling, grooving, and coating available on request.

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Mild Steel Welded Pipe 

EN 10255 (Formerly BS 1387)

Our EN 10255 mild steel pipe, also known as Gas List Tube, is manufactured from non-alloy steel and designed for use in low-pressure water, air, and gas systems.

• Standard: EN 10255 (non-alloy steel, suitable for welding and threading)
• Grades: S195T, S235JR
• Weight Classes: Light, Medium, Heavy
• End Options: Plain End, Threaded & Socketed, or Grooved
• Coatings: Self-colour (black), hot-dip galvanised to ISO 1461
• Sizes: DN10 to DN150 (3/8” to 6”)

Applications:

• Mechanical services and HVAC
• Sprinkler and fire protection systems
• Compressed air lines
• Water mains and gas installations

Supplied with colour band markings and pipe identification, in 6m lengths with cut-to-length and fabrication services available.

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