The Pressure Seal bonnet Globe valve is widely used in high-temperature and high-pressure power plants, where a gasket is placed between the body and bonnet to prevent leakage by the internal pressure of the body pushing up the bonnet. It features a non-bolted structure without a Top Flange, making it lightweight compared to bolted bonnet valves and suitable for attachment to pipelines mainly through butt welding. While offering flow and pressure regulation capabilities, it requires more operating force compared to Gate valves.
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