反渗透纯化水预处理设备的要求：1、结构设计应简洁、可靠、拆装便捷。2、为确保拆装和维护的便利性，执行机构应采用标准化、高度通用化和系统化零部件。3、设备表面必须光滑平整，以便于清洗，防止污垢积累。所有零件都应该进行镀铬或类似表面处理以提高耐腐蚀性和防锈性能。4、为了避免污染，制备纯化水设备应使用低碳不锈钢或其他经过验证的材料。此外，需要定期清洗并对清洗效果进行验证。5 Pure water storage cycle should not exceed 24 hours, and the tank should be made of corrosion-resistant materials such as stainless steel. The storage tank must have a smooth inner surface, with no dead corners or crevices that could harbor bacteria. A moisture-proof filter must be installed on the vent pipe to prevent contamination.6 The reverse osmosis pure water pre-treatment device requires regular cleaning and validation of its effectiveness.

Reverse Osmosis Pure Water Pre-Treatment Device Transportation:1) For ease of maintenance and cleaning, it is recommended to use stainless steel pumps for transporting purified water.2) The piping system should be designed for simplicity, with minimal bends or dead ends. All pipes and fittings should be made from durable materials that are resistant to corrosion and do not leach contaminants into the purified water. Valves used in this process should meet high sanitary standards.3) All components involved in transporting purified water must undergo routine cleaning and validation before they can be put back into service.

Pharmaceutical Water Classification & Standards:1 Pharmaceutical Water Classification (a) Drinking Water (Potable-Water): Typically sourced from municipal supply companies or deep wells, meeting national drinking water health standards (GB5749-85). According to the 2020 Pharmacopoeia, drinking water cannot directly serve as raw material for pharmaceutical formulation or experimental purposes.(b) Purified Water (Purified-Water): Prepared through methods such as distillation, ion exchange, reverse osmosis or other suitable processes; free from any additives; may serve as solvent for ordinary preparations but cannot prepare injectables.(c) Injection Grade Water (Water-for-Injection): Obtained by distilling purified water using specially designed stills followed by cold condensation filtration.

Water Quality Standards:

(a) Drinking-water: Must comply with China's National Standard GB5749-85 "Drinking-water Hygiene Standards".

(b) Purified-water: Must meet the standards specified in "The 2020 Pharmacopoeia" under 'Purified-Water'.

(c)

(d)

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