High-Performance Fully Welded Side-Entry Trunnion Ball Valve – Features & Benefits
As a leading Velan Valve Supplier, Distributor, and Stockist, we provide premium subsea fully welded ball valves engineered for extreme conditions. Designed for water depths up to 500 meters (1700 ft) and a service life of 25+ years, these valves are ideal for marine, offshore, and subsea pipelines.
Key Features & Benefits
✔ Fully Welded Forged Construction – Two or three-piece design with double trunnion support for superior strength.
✔ Bidirectional Sealing – Two independent seats ensure zero leakage under high-pressure/temperature conditions.
✔ Lightweight & Leak-Proof – Eliminates potential leak paths, perfect for subsea and deep-water applications.
✔ Multiple Operation Options – Compatible with:
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ROV (Remote Operated Vehicle) receptacles
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Manual handwheel (diver-operated)
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Hydraulic actuators (double/single-acting, with/without ROV override)
Advanced Seat Design
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Soft or Metal Seated with hard-faced ball & seats for extended durability.
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Self-Relieving & Double Piston Seats – Ensures pressure balance and failsafe performance.
Premium Safety & Performance Features
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Double Block & Bleed (DBB) Design
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Anti-Static Device & Anti-Blowout Stem
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CRA Overlay on all dynamic sealing/wetted parts (optional)
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Dynamic Seals (O-ring/lip seal configurations)
Operator Options
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Manual: Gear with ROV interface or diver handwheel
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Actuated: Hydraulic with ROV override & baric compensator
Testing & Certifications
- API 6DSS Compliance (Inspection & Testing)
- SIL 3 Certified (IEC 61508)
- PED 2014/68/UE
- Hyperbaric & Cap Testing (API 6DSS, available on request)
