80” Gate Valves supplied by TROUVAY & CAUVIN for a water project in UAE

Potable Water Systems, Desalination and Sea Water Cooling

TROUVAY & CAUVIN supplies a comprehensive range of products for the potable water treatment, seawater treatment and desalination industries, ranging from seamless and welded pipes, fittings, valves to exotic duplex and super duplex stainless steel piping.

Seamless & Welded Carbon Steel Pipes, Fittings with/without inside/outside coating

potable water piping icon

TROUVAY & CAUVIN has the expertise to supply hot-rolled steel sheets to specific material specifications and maintains at all times a stock of approximately 5,000 MT sheets in offshore grades that meet the specifications of the main end users and are certified in accordance with EN 10204, 3.2.

Seamless Carbon Steel pipes

  • Galvanized finish
  • Black varnished with grooved ends


  • API5L / ASTM A53 Gr. B


Welded Carbon Steel Pipes (ERW/ SAW / Spiral Welded / HFI…)

  • Galvanized finish
  • Black varnished with grooved ends


  • API5L / ASTM A53 Gr. B
  • BS 1387 light / medium / heavy


Ductile Iron Pipes

  • Up to DN 2200


  • ISO and AWWA standards

Fittings and Flanges

  • Ductile iron and  carbon steel fittings and flanges
  • Push-in fittings and flanged fittings


  • PN class and ANSI class
  • Material: ISO, ASTM and AWWA standard
  • Size: Up to DN2200

Exotic Piping System including Duplex, Super Duplex SS and Inconel

super duplex piping icon

TROUVAY & CAUVIN supplies a wide range of piping in special stainless steels or exotic alloys such as Duplex SS, Super Duplex SS and Inconel.

The Duplex and Super Duplex SS materials we stock and supply are tested according to international standards and the dimensions comply with the standards ANSI B36.19 and ANSI B36.10.

Type Specification Grades
Stainless Steel & Special Stainless Steel ASTM/ASME A790

UNS S31803 / S32205 – Duplex 2205

UNS S32750 / S32760 - Super Duplex 2507
Alloy Steel ASTM/ASME A335 Gr. P5 / P9 / P11 / P 22 / P91 & P92
Nickel Alloy 200/201 B161 UNS N02200/N02201
Nickel Alloy 400 B165 UNS N04400 - Monel® 400
Nickel Alloy 600 B167 UNS N06600 - Inconel® 600
Nickel Alloy 625 B705 UNS N06625 - Inconel® 625
Nickel Alloy 800H/800HT B407 UNS N08810/N08811 - Incoloy® 800H/HT
Nickel Alloy 825 B423 UNS N08825 - Incoloy® 825
Nickel Alloy 276 B622 UNS N10276 - Hastelloy® C-276
Titanium Alloy B861 Gr 1 / 2 / 5 / 7

Valves and Air vents

valve icon in white

Butterfly Valves

  • Concentric, double and triple offset
  • Flanged ends
  • Wafer type ends
  • Lug type ends
  • Butt-welded types end

Gate Valves

  • Wedge (solid and flexible) gate valves
  • NRS (Non-rising stem) and rising stem gate valves
  • Expanding gate valves
  • Split wedge or parallel disks gate valve

Check Valves

  • Nozzle check valves
  • Swing check valves
  • Dual plate check valves
  • Tilting check valves

Ball Valves

  • 3-way ball valve
  • Trunnion mounted ball valve
  • Floating ball valve

Air Valves

  • Automatic air valves
  • Air and vacuum valves
  • Combination air valves