SS2-SS3 Series Subsea Side-Entry Trunnion Ball Valve – Features & Benefits
As a leading Velan Valve Supplier, Distributor, and Stockist, we provide high-performance subsea side-entry ball valves designed for extreme underwater conditions. These valves are engineered for water depths up to 500 meters (1700 ft) and deliver a 25+ year service life, ensuring maximum reliability, safety, and durability in high-pressure, abrasive environments (including sand & solid particles).
Remote & Manual Operation Flexibility
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ROV-operated (with subsea gear & ROV receptacle)
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Diver-operated (handwheel option)
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Hydraulic actuators (double/single-acting, with/without ROV override)
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Baric compensator for deep-sea stability
Seat Design Options
✔ Soft or metal seats with hardfaced ball & seats for erosion resistance
✔ Self-relieving seats for pressure management
✔ Double piston seats for enhanced sealing
✔ Combination seats for versatile performance
Key Features
- Double Block & Bleed (DBB) design for absolute isolation
- Anti-static device & anti-blowout stem for safety compliance
- Dual O-ring/lip seal configuration for leak-proof operation
- CRA (Corrosion-Resistant Alloy) overlay on dynamic/wetted parts
- API 6DSS-compliant body sealing for seawater protection
Operator Configurations
- Manual: Gear with ROV interface or diver handwheel
- Actuated: Hydraulic actuation + optional ROV/handwheel override
Testing & Certifications
- API 6DSS inspection & testing
- SIL 3 Certified (IEC 61508) for critical safety systems
- PED 2014/68/UE compliant
- Hyperbaric & cap testing per API 6DSS (available on request)
