Fully Welded

Manufacturer: Della Foglia
Made In: Italy
Product Code: 10004
  • Full or reduced bore

In fully welded ball valves body and closures are welded together; the result is a solid assembly with no leakage paths. A fully welded application is a preferable solution when no maintenance is scheduled on valves and when it is mandatory to avoid any external leakage. A typical application is for underground service or subsea. Welding is performed by highly qualified welders, in accordance with all applicable ASME or EN requirements.

  • Standard Features:
  • Design according to API 6D, API6A, API 6DSS, B16.34, ASME VIII, ENI ISO 17292
  • Ends according to ASME B16.5, ASME B16.47, B16.25, MSS-SP44
  • Anti-blowout stem
  • Antistatic device
  • Double block and bleed
  • Self-relieving
  • Fire safe according to ISO 10497, API 607, API 6FA, BS 6755-2
  • Soft or metal seated, PMSS also available
  • Carbon steel, stainless steel, duplex stainless steel and any exotic alloy

  • Optional features:
  • Ends according to custom design
  • One seat self-relieving and one seat double piston effect
  • Emergency sealant injection on seat and/or stem sealings
  • Bonnet extension
  • Stem extension
  • Internal lining
  • Weld overlay on seat pocket and/or and stem pocket area
  • Weld overlay on all wetted parts

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