Problems with liquid ammonia metal flexible hose connectors
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Devices are connected to the liquid ammonia storage tank via flexible metal hoses. The storage tanks need to be replaced frequently; what should be done with the liquid ammonia inside the flexible metal hoses during replacement? Are there any flexible metal hoses for liquid ammonia that come equipped with check valves?
Without check valves on the flexible hoses, all of this liquid ammonia evaporates into the air.
It is recommended to use fixed piping connections, with valves for control
Metal hoses shall not be used for liquid ammonia pipelines