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A large, industrial yellow valve with a cylindrical shape and flanges on both sides. The valve has a metallic interior with a red lining, and it is mounted on a base with lifting hooks on top.

SS2-SS3 series subsea side-entry trunnion ball valves

Product Line
  • API 6A and 6D ball valves
Product Type
  • Ball

Features & Benefits

Subsea side-entry ball valves are suitable in water depths to 500 mt (1700 fit) and maintain an average service life of 25 years offering the utmost level of reliability and safety under high-pressure conditions even in harsh service with the presence of sand or solid particles.

Subsea side-entry ball valves may be completed with a subsea gear and ROV receptacle for remote operation by a ROV or with a handwheel for manual operation by diver. As an alternative, valves can be fitted with hydraulic subsea actuators, and fully compensated in a double or single acting configuration, with or without ROV override. Subsea side-entry ball valves are available in a wide range of materials and configurations to meet both customer’s requirements and the specific needs of an application

Seat design

  • Soft or metal seated with Hardfacing on ball and seats
  • Self relieving seats
  • Double piston seats
  • Combination seats

Features

  • Double block and bleed design (DBB)
  • Anti-static device
  • Anti-blowout stem
  • O-ring/lip seal configuration
  • Body sealing designed in double O-ring configuration for sea water protection
  • CRA overlay on all dynamic sealing areas or on all wetted parts available

Operator

  • Manual: Gear with ROV receptacle or handwheel
  • Actuated: Hydraulic with or without ROV receptacle / handwheel override
    baric compensator for operators

Testing & certifications

  • Compliance with API 6DSS Inspection and testing
  • SIL 3 Certification as per IEC61508
  • PED 2014/68/UE
  • Hyperbaric validation testing as per API 6DSS (available on request)
  • Cap test as per API 6DSS (available on request)

Product Details

Spec Detail
Size Range NPS 2-48 (DN 50-1200)
Pressure Class ASME 150-ASME 2500
Standard Connections Flanged (RF, RTJ) as per B16.5 &B16.47, Butt Welded as per B16.25, Hub connection
Series SS2 and SS3
Valve design based on API 6DSS and customer requirements
Temperature range -150 to 428°F (-101 to 220°C)
Face-to-face As per API 6D standard
End connections RF, RTJ as per B16.5 &B16.47
BW, Butt Welded as per B16.25
Hub connection
Body design Forged bolted two-piece and three-piece

Quality That Lasts

Precision Engineered

Our products, crafted with cutting-edge precision, set the industry standard for quality, reliability, and versatility across an expansive range of applications.

Long-Lasting & Durable

Velan leverages advanced engineering capabilities and innovation to create durable valves that meet critical industrial needs in the areas of nuclear power, mining, oil and gas, and more.

Certified & Tested

Innovation is our DNA. From our first steam trap to advanced cutting-edge valve designs, we are committed to providing solutions that define the highest standards of quality and performance.

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