求证:Thermal Relief Valves 翻译？ fyi。热力释放安全阀 a thermal relief valve is used when a liquid is blocked (i.e. a line or pipe between two block valves) in a pipe, and the pipe is exposed to sunlight. although liquid does not expand much, since it fully fills the pipe, the forces developed can seriously stress the pipe. there is no difference between a safety relief valve for any other purpose and a thermal relief valve. however, it is usually small in size, "d" orifice. for a screwed valve this would be 3/4 x 1 inch [ ]查看更多
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