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

• ROV-operated (with subsea gear & ROV receptacle)

• Diver-operated (handwheel option)

• Hydraulic actuators (double/single-acting, with/without ROV override)

• 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)