A bellow-sealed design features a flexible metallic accordion-like tube welded to the valve stem and bonnet, isolating process fluids from the stem to achieve zero leakage and prevent fugitive emissions in critical industrial applications
Design and Features
- Zero Leakage: “A bellow seal valve is a type of industrial valve designed to prevent fluid leakage.” Unlike traditional gland packing, the hermetic seal stops toxic, volatile, or high-temperature media from escaping.
- Stem Protection: The internal bellows prevent corrosive or radioactive fluids from directly touching the moving valve stem.
- Materials: Manufacturers utilize durable materials like SS316L and Inconel 625 for high cycle life and pressure endurance.
