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MCD Dual Valve Mass Flow Controller Operating Notes
The MCD is a versatile Dual-Valve Mass Flow and Pressure Controller. It can be
used to:
• Measure mass ow and volumetric ow in both directions, plus absolute
pressure and temperature.
• Control mass or volumetric ow from a pressurized source or to vacuum.
• Control absolute pressure or back-pressure in a owing process.
• Control absolute pressure in a closed volume with automatic venting.
Application examples are shown below and on the following page. Please
contact Alicat if you have any questions regarding MCD use.
Process Connecon
Inlet Valve
Outlet Valve
MCD front view
Process Connecon
Inlet Valve
Outlet Valve
MCD rear view
Getting Started