Multicolumn distilled water plant designed to produce 100% pyrogen free sterile distillate & chemically pure confirms to IPBPUSP standard. Multicolumn distilled water plant works on the principle of interstate heat exchanger, dramatically reduce the consumption of heating energy and cooling water. Thus enable to produce a large volume of pyrogen free distillate at a fraction of the cost than conventional systems. All documents related to factory acceptance test(FAT), Installation Qualifications(IQ), Operation Qualification(OQ), PQ are provided as part of the operational manual.