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How are the steam and liquid exhaust ports managed?

2023-04-12View Original

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The \"Regulations on Safety Inspection of Safety Valves\" stipulate that safety valves used for steam and liquids must be equipped with a drain hole at the lowest point where liquid can accumulate, below the valve seat sealing surface. How is this drain hole managed in practice? Regular discharge? Add a valve? Open position?
Reply #22023-04-12
According to the provisions of the \"Regulations on Safety Inspection of Safety Valves,\" safety valves used for steam and liquids require an exhaust hole to be installed at the lowest point where liquid can accumulate, below the valve seat sealing surface. To ensure safety, this exhaust hole needs to be drained regularly. Generally, valves or other control devices can be installed on the discharge pipeline to facilitate the control of pressure and flow during discharge. Additionally, the exhaust holes can also be designed to be open, but for operational safety reasons, it is recommended to install control devices. Regardless of the form used, regular inspection and maintenance are required to ensure that the exhaust ports are functioning properly. .

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