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Total Carbide is launching a process that produces tungsten-carbide components with complex internal forms for use in harsh environments such as valves operating in high-pressure, highly abrasive or corrosive environments.

Intraform, which is being unveiled to the oil and gas industry at Offshore Europe on 6–8 September, will enable the production of ’chambers’ in tungsten carbide that cannot be produced by any other standard production method, according to the company.

The process allows the creation of complex internal wear critical forms as required in linear and rotary valves, which can last up to 10 times longer than equivalent steel parts.

The tungsten-carbide components are manufactured as one piece, eliminating the potential for leaks and allowing higher pressure liquid-flow rates.

Key benefits

  • Products have been tested to 25,000 cycle qualification at 760 bar, satisfying leakage testing according to API 6A/ISO 10423.
  • Products have also been proof tested at 1,140 bar as part of FAT (Factory Accreditation Testing) without showing signs of failure and have successfully undergone a 90-day corrosion test.
  • Acceptable for harsh subsea environments.
  • Allows the creation of components with difficult internal geometries that have the durability and wear resistance of tungsten carbide, and the ability to process abrasive and corrosive fluids.

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