ASM-Qualiflow AFC-LVC 414August 24, 2012|ASM-Qualiflow, Mass Flow Controllers Home » Mass Flow Controllers » ASM-Qualiflow » ASM-Qualiflow AFC-LVC 414 Coastal Instruments services a wide array of ASM-Qualiflow mass flow controller models. The ASM-Qualiflow AFC-LVC 414 is one of the products we service.