Pressure Relief Device – F9000 Liquid Surge

Flow Safe, Inc.

Surge relief valve for liquid systems
Self-relieving regulator compensates for ambient temperature changes
Elastomeric seat for tight shut-off
Service envelope details for different seat materials and pressure ranges
Installation instructions including upright positioning and set pressure verification

The F9000 Series Surge Relief Valve is a specialized device designed for liquid systems, engineered to provide rapid opening in the event of overpressure conditions. It operates using a dome gas pressure system, which controls the movement of the piston to ensure precise set pressure and reliable operation. The valve is equipped with an accumulator, pressure gauge, and control assembly to enhance performance and efficiency. It features an elastomeric seat on the piston for tight shut-off and an O-ring piston seal to prevent leakage from the dome to the outlet. The valve is suitable for various applications and sizes, with options for different seat materials and pressure ranges. The valves design allows for full lift when the inlet pressure increases, and it is recommended to cycle the valve at least once a year to verify operation. The valve is also compatible with different dome gas pressures and can be adjusted according to specific system requirements.

Use Cases

Pressure regulation in industrial systems
Emergency Shutdown (ESD) valve closure relief
High-flow water distribution networks
Liquid pipeline protection against water hammer
Hydrant fueling systems at airports
Firewater system surge mitigation
High-speed surge protection for liquid hydrogen loading/unloading
Hydrogen liquefaction plant pump systems
Pressure spike mitigation in cryogenic hydrogen systems

Capabilities

Rapid response to overpressure conditions
Adjustable set pressure
Leak-tight shut-off with elastomeric seat
Self-relieving regulator for dome pressure

Flow Safe, Inc. Flow Safe is a manufacturer of high-quality pressure relief valves and accessories, crucial for safe hydrogen handling in the energy transition. It operates in New York and Texas. Flow Safe supports the hydrogen economy by ensuring safe, efficient hydrogen transport and storage.

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