Profile: Simplex Filler Co. manufactures piston fillers. Our liquid volumetric filler is drawn by gravity suction into a product cylinder and handles water to tar flowable products, liquid and creams with up to 1-inch diameter particulates in a single cycle without crushing the particulate. Our model V-800 filler is designed to merge with almost any automated conveyor system and includes twin head volumetric piston filling machine with new PLS control system, which allows multi-speed contour filling and operator adjustable programming.