Double Isolation and Bleed Ball Valve
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- Опубликовано: 13 сен 2024
- Operation of API double isolation and bleed ball valve (non-relieving / double piston effect seats). This valve has the ability to vent the center cavity pressure while in-line to confirm seat integrity. In a cavity over-pressure scenario, the seats will NOT relieve into the pipeline. Liquid or HVP services may require an external relief assembly (shown).
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