The Highest Level of Cargo Tank Protection

Our sophisticated high-velocity valve challenges the status quo. It combines magnetic Mini-Slip mechanics with weight-activated technology, acting as a device to prevent the passage of flames, ensure instant set point opening and facilitate rapid venting without dangerous valve hammering. Its impressive sub two-second cycle time means remarkably consistent performance. And best of all: Each valve boasts utmost reliability and meets the highest international regulatory compliance with ISO 15364:2021 and ISO 16852:2016. Safety, transparency and maximized operational capacity guaranteed at every level.

Benefits of the High Velocity Valve

  • Close-to-zero VOC loss
  • Easily adjustable settings
  • Integrated gas freeing cover
  • The industry’s highest constant net clearance between moving parts and valve housing – suitable for freezing, sticking and crystallizing cargo
  • Exchangeable wear parts
  • Upgradable on-site to higher gas-groups
  • Non-oscillating (frequency less than 0,5 hz / ISO 15364:2021)
  • Controlled blow-down ensures a rapid pressure reduction to a safety level 30% lower than the set level— enables high-capacity loading whilst preventing the cargo evaporation.

Watch the Bay Valves High Velocity Valve in action

The video shows Independent German Notified body Institut für Sicherheitstechnik putting Bay Valves’ High Velocity Valve HI Jet ISO to the test.

The valve performs opening and closing according to the international fire testing standard ISO 16852. Both require a maximum of 0.5 Hz – equal to a 2 seconds cycle of the valve, from closed to open – to fully closed again.

Valve hammering has catastrophic consequences, often leading to vessel damage, cargo loss and a significant risk to human life. Many in our industry underestimate that, and don’t consider how important non-hammering valves are during a fire.

A Safety-First Approach

Safety has no limits. It extends beyond industry boundaries and should be the foremost concern for any business, in any market. That’s why we take a meticulous safety-first approach to all our valve systems — from design and manufacturing to testing and maintenance — and ensure each one complies with international regulatory standards.

What’s more, we eliminate pressure surges upon opening, prevent flashback risks and deploy high closing pressure to minimise cargo boil-off, significantly reduce VOC loss, safeguard lives and protect the planet.

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