Pressure & water depth
Internal design pressure and external hydrostatic pressure are defined as separate design conditions.
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Ball, check and needle valves for subsea installations, including ROV-operated configurations. Specify internal design pressure and water depth separately, together with materials, operating interfaces and testing.
Internal design pressure and external hydrostatic pressure are defined as separate design conditions.
ROV bucket, receptacle, torque, access and intervention geometry are defined for remote operation.
Body, trim, bolting, coating and corrosion requirements are selected for fluid and seawater exposure.
Seat and stem sealing, external pressure and project testing are reviewed as one subsea system.
Define weld-end preparation, pup-piece material, schedule and required length together with any transition details needed to integrate the valve into the subsea piping.
Where double block and bleed or cavity management is required, specify vent, drain and pressure-relief connections for any trapped volume.
Specify project qualification, hyperbaric or functional testing, material traceability and documentation requirements early in the enquiry.
Filter by valve type, material or connection.
Provide design pressure, water depth, temperature and fluid composition. Include the operating interface, torque requirements, materials and the project test specification.