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22/06/2018

Subsea Modification to Topside Ball Valve

At Specialist Valve Services (SVS), we specialise in delivering advanced valve and flow control solutions designed to meet the evolving demands of traditional and emerging energy sectors.
Subsea engineering conversion solution

Topside valve modification

Subsea Modification to Topside Ball Valve – Modification to 24” 150# Ball Valve for Temporary Subsea Application.

SVS was on hand to provide an effective Subsea engineering conversion solution of a Topside valve in order to meet a client’s urgent lead time requirement. Our valve engineers and engineering partners completed the full conversion of the valve in under 5 weeks.

  • Phase 1

    • Full Strip & Inspection of Valve and Gearbox.
    • Carry out QA & Dimensional Inspection of parts requiring modification.
    • Model parts on CAD and carry out engineering review of valve to determine Subsea modifications required.
    • Review of Gearbox to determine marinization feasibility.
    • Full review of drive train.
    • Redesign of existing sealing systems & identify additional ingress seals.
    • Detailed manufacturing & modification drawings
    • Machining of new components & modification to existing (Valve & Gearbox).
    • Inclusion of bladder compensator to gearbox.
    • Assembly of valve & gearbox.
    • Conduct Witnessed API 6D FAT Programme
    • Painted to Norsok M501 System 7

    Phase 2

    • Unitise with Class 150# → Class 900# Crossover Spool.
    • Conduct 24hr + 1hr Open Body Test.
    • Prepare for shipping.

    Thanks to everyone involved in assisting with this accelerated delivery.