The PSD/3 modules are highly integrated, self-contained syringe drive modules that can be used as a single unit or can be daisy chained in a system that uses up to 16 units. The PSD/3 can be fitted with a variety of valve and syringe combinations. With a choice of materials like PTFE, CTFE, FEP, UHMWPE, ceramic and borosilicate glass, a reliable turnkey system can be assembled to meet the requirements of the most demanding applications.