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an quan jie zhi zhi hui fa
Author(s): 
Pages: 38-39
Year: Issue:  4
Journal: Valve

Keyword:  截止止回阀排气阀制冷机阀杆阀门安全阀冷藏间截止阀作用力吸气阀;
Abstract: ¥旅顺元宝阀门厂@周春1问题的提出在我国无论是制冷机的主机阀门,还是容器及冷藏间管道上的阀门大部分是一阀专用。如制冷机的主机排气阀就是单一截止阀。按制冷机操作规程,压缩机启动时,启动电机需迅速打开高压排气阀,并缓慢开启吸气阀,使排气压力不超过15MPa。...
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