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Catalog WELDO

The company WELDO (China, 2017) specializes in the manufacture and supply of flanges, pipe fittings, fittings and pipes made of stainless steel, carbon steel, duplex and special alloys for the oil and gas, chemical, energy, shipbuilding and water treatment industries.

WELDO produces flanges, pipe fittings, pipes, valves.

  • The components made of modern steel grades withstand the effects of seawater with a high chloride content, are resistant to pitting and crevice corrosion.
  • Designed to work in high-pressure reverse osmosis systems, thermal distillation units, and aggressive brines, ensuring reliability even with constant temperature and pressure fluctuations.
  • Seamless welds, sealed joints, and smooth internal surfaces minimize scale formation, maximize flow efficiency, and reduce energy consumption.

All WELDO products

WELDO produces flanges, pipe fittings, pipes, valves.

Full range of services

From the design of individual units to the modernization of the largest objects, including installation, commissioning and service of the supplied equipment.

  1. Designing

    Inspection and receipt of technical specifications, development of feasibility study and documentation. Regulatory support and certification.
  2. Installation

    Preparation of assembly kits, installation supervision and turnkey assembly. Preparation of the object to the customer and supervisory structures.
  3. Commissioning

    Development and production of control systems, lying of communications, connection, configuration, testing, customer training.
  4. Service

    Audit, support and maintenance. Spare parts warehouse and repair with provision of temporary equipment.