Pharmaceutical multi-effect distilled water generator (WFI system) is a GMP-compliant injection water production equipment and high-efficiency distilled water machine.
This distilled water generator is a GMP-certified purified water production system. Adopting multi-effect distillation technology, it enables continuous production of injection-grade pure water (compliant with ChP/USP/EP standards) and is widely applied in biopharmaceuticals, injection manufacturing, and sterile preparations.
Core advantages: Over 30% energy savings, modular design, and automatic control system.
Using falling film evaporation (raw material water evaporates in a film on the wall of the efferent body), compared with boiling evaporation, can reduce the entrainment of fog and ensure that the produced water is pyrogen free.
Based on the thermodynamic characteristics that the boiling point decreases with the decrease of pressure, multiple evaporators (effector) are connected in series, and the secondary steam of the former effect is used as the heat source of the latter effect to form energy cascade utilization.
| Technical module | Principle statement | Pharmaceutical application value |
| Intereffect pressure control | The pressure difference between effects (usually ≥0.1MPa) is maintained through the vacuum system to ensure the automatic flow of steam to the cryogenic effect | Reduce the mechanical pump energy consumption, prolong the equipment life |
| TOC degradation design | A delay chamber is set in the first effect high temperature section (≥105℃) to decompose organic matter | Meet the requirements of pharmacopeia for TOC≤500ppb |
| Condensation purification | Double tube plate condenser + spiral spoiler is used to prevent leakage and pollution of cooling medium | Ensure that the endotoxin of water production is ≤0.25EU/mL |
6-effect distillation design, energy efficiency 40% (compared with single effect)
Built-in 0.22μm hydrophobic filter to ensure that the water for injection is pyrogen free
real-time monitoring of TOC/ conductivity / temperature, support data export (in line with FDA audit trail requirements)
Fully automated in-place cleaning/sterilization process to reduce the risk of cross-contamination
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