Alfa Pumps [P] Limited manufactures Polyvinylidene fluoride - PVDF Pump. Alfa Pumps [P] Limited supplies on-metallic chemical process pumps under registered brand name of ALFA. Polyvinylidene Fluoride - PVDF Pump offers the specific advantage of easy processing in accordance with all the convection methods used in the plastic industry. Polyvinylidene Fluoride - PVDF Pump provides a high degree of crystallinity to that by other processes, resulting among other things in superior thermo mechanical properties. The intrinsic technical superiority is one of the features of PVDF pumps.