Polyquip, a Mumbai-based company supplies Kynar PVDF/polypropylene process pumps, a type of horizontal pumps, manufactured by Ansha Equipments. Pumps made of PVDF and polypropylene have a crucial role in hard-to-handle corrosive and hazardous chemicals in process industry plants. These pumps are made of moulded construction in PVDF or polypropylene for handling HCl, HF and H2SO4. The impeller is fixed on the shaft and is provided with suitable sleeve/extensions in hastelloy-C, glass filled Teflon and alloy-20. These pumps come with Grafoil gland packing or an appropriate mechanical seal. The bearing block adaptor is a separate piece and is made of glass filled polypropylene to avoid effect of the corrosion when liquid leaks through the glands. These pumps are available up to 50 m^3/hr capacity and maximum head up to 45 metres.