... are generally work with one set of 14-head or 16-head multi-head weigher connecting by an automatic air-driven (or ... , 2.1 meters wide, 4.2 meters high space) for installation and only one person to operate and maintain, but the productivity ... /min, 0.6MPA0.35M3/min, 0.6MPA Vertical FFS packing machine (twin tube), high speed twin packing ...