求助真空减压阀Vacuum pressure Relief Valve? 请问Vacuum pressure Relief Valve Range 1000 mbar and 2" size , Material: Brass Please note that those valves need to fix it on the tank ( Tank- Fabricated by Metal) . Normally tank should be clean in every week by vacuum to remove the moisture. Please note that while vacuum the Tank the pressure reduce below 1 bar ( Ambient pressure) inside of the tank. Hence Vacuum Relief Valve to be open when Tank pressure ( Inside of Tank) below than Atmosphere level. 这些细节是什么意思,这个真空 减压阀 是什么样子的,有没有图片 查看更多12个回答 . 5人已关注