closed-loop pressure control
Close-loop pressure control
dispersion of loop-seal fluidizing air
high pressure loop line
high pressure loop port
Loop seal
环流料封阀
非机械返料机构
流动密封阀
Loopseal返料装置
环封
回料系统
返料器
回料阀
Loop Seal Type Return Unit
open-loop pressure control
diaphragm seal pressure gage