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Custom ball valves

Your multi-application DARCO special custom design ball valves

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DARCO special custom design floating or trunnion ball valves are manually operated or actuated, from ¼” to 36” for 150 to 2500 pressure class.

Technical requirements

Designed as per API 6D / B16.34, to cover a wide range of fluids, temperature, pressure and environments, our DARCO ball valves are fire-safe qualified (according to API 607/ISO 10497), manual or actuated, and maintainable.


To be define with customer needs.


Designed with a full or reduced bore, and screwed or bolted connections, DARCO ball valves can be manufactured with a large panel of materials (Carbon or stainless steel, Duplex, super Duplex…).

  • The option of overlay on sealing pockets can also be proposed.
  • The ball-seats contact could either be with polymers or with metal-metal. Our trunnion valves used both with Single Piston Effect (SPE) or Double Piston effect (DPE) design.
  • Vent and drain plugs can be added
  • Stem extension can be proposed
  • Optionally, some injection points on seats and stems can be added.
  • Operated by lever, wheel, gearbox, actuator or dead man.

A question? A quote?

Contact us

Tel : +33 (0) 559 130 100

A question? A quote?

Contact us

Tel : +33 (0) 559 130 100