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SteelPro..Precision Valve Manufacturing
Fully Welded Ball Valve
Forged Body, Fully Welded

Fully Welded Ball Valve

Zero-leakage guaranteed for buried and subsea pipeline service

Designed for underground and subsea applications where maintenance access is impossible. The forged steel body is fully welded — no body flanges, no potential leak paths. Engineered for a 30+ year service life in the most demanding oil & gas transmission environments.

API 6DISO 9001CE PEDAPI 6FA Fire Safe

Technical Specifications

Size RangeNPS 2″ – 48″ / DN 50 – 1200
Pressure RatingClass 150 – 900 / PN 16 – 150
Temperature Range-46°C to +200°C
Body MaterialWCB, LCB/LCC, CF8M, Duplex SS, Inconel Clad
Seat MaterialPTFE, Nylon, Devlon®
End ConnectionButt-Weld ends (standard)
Design StandardAPI 6D, ASME B16.34, EN 12516
Fire SafeAPI 6FA
Testing StandardAPI 6D, API 598, ISO 15848-1

Key Features

  • Forged body with full penetration butt welds — no body gaskets
  • Emergency sealant injection system for emergency stem/seal repair
  • Double piston effect seats for bi-directional sealing
  • Compact, lightweight design compared to bolted-body alternatives
  • 30+ year design life with zero maintenance required

Industry Applications

Cross-country oil pipelinesGas transmissionSubsea manifold systemsUnderground storageProduct tank farms

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