发明公开
EP0751301A3 Fluid control apparatus 失效
流体管理设备

Fluid control apparatus
摘要:
A fluid control apparatus (1) comprises a mass flow controller (2), two on-off valves (3,4) disposed at the inlet side of the controller and three on-off valves (5,6,7) disposed at the outlet side of the controller. At the inlet side, a main fluid on-off valve (4) is positioned on a purge fluid on-off valve (3), and at the outlet side, a vent on-off valve (6) is positioned on a vacuum suction on-off valve (5), with a main passage on-off valve (7) further positioned on the vent on-off valve (6).
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