Introduction
A deionized water system is a water purification system that produces deionized (DI) water by removing ionized salts and minerals from the water, and it is used in laboratories, industry, and many applications where high-purity water is required. The system removes ions from the water using ion exchange, in which the water passes through beds of ion exchange resins, including cation exchange resins that exchange hydrogen ions for cations, such as calcium, magnesium, sodium, and heavy metals, and anion exchange resins that exchange hydroxide ions for anions, such as chloride, sulfate, and nitrate, so that the dissolved salts are replaced by hydrogen and hydroxide ions, which combine to form water; the deionized water has very low conductivity, indicating a low concentration of dissolved ions, and the system may include mixed-bed resins for higher purity, and it may be combined with other purification technologies, such as reverse osmosis, to improve the feed water quality and extend the resin life. Deionized water systems are used in laboratories for preparing solutions and reagents, for rinsing glassware, for feeding analytical instruments, for autoclaves, and for applications that require low-conductivity water; in industry for boiler feed water, for cooling, for electronics manufacturing, for battery production, for cleaning, and in many other applications, and they are available as benchtop and floor-standing systems, with features such as water quality monitoring, recirculation, and automatic regeneration or replacement of the resins. With their production of high-purity deionized water, deionized water systems are essential for many laboratory and industrial applications.
Deionized Water System LDIN-T2011
Deionized Water System delivers a flow rate of 90 liters per hour, ensuring efficient high-volume water production. It operates with inlet water pressures of 0.15 to 0.5 MPa, adapting to...
Deionized Water System LDIN-T2010
Deionized Water System can produce 10 liters of water per hour at a flow rate of 2 liters per minute. It has an automated cleaning system, a long-acting device, and a manual drain valve....
Deionized Water System LDIN-T2012
Deionized Water System produces 60 liters of high-purity DI water per hour with a resistivity of 10 to 16 MΩ·cm. It features an module for continuous purification and a built-in feed w...
Deionized Water System LDIN-T2011
Deionized Water System delivers water at a rate of 90L/hour, with a flow rate of 1.5L/min, using regular tap water as the input source. It features a durable triplet pretreatment device ...
Deionized Water System LDIN-T2010
Deionized Water System Produces high-purity water with an output of 30 RO water with an ion rejection rate exceeding 96%, ensuring the removal of a wide range of contaminants. This water...
Deionized Water System LDIN-T2020
Deionized Water System is water system type economic choice of deionized water for general grade experiments. Designed with 12 liters tank. Its output ranges from up to 30 liters/hour an...
Standards
ISO 3696:1987-Water for analytical laboratory use-Specification and test methods
GB/T 6682-2008-Water for analytical laboratory use-Specification and test methods
ASTM D1193-06(2018)-Standard Specification for Reagent Water
Complies with the above standards, but is not limited to them.
Features
1. Deionized water system for producing high-purity deionized water.
2. Ion exchange (DI) or electrodeionization (EDI) for mineral-free water.
3. Suitable for laboratory, pharmaceutical, electronics, power and industrial use.
4. Includes pre-filtration, DI/EDI module, polishing, storage and controller.
5. Supports deionized water production for analytical, laboratory and industrial applications.
FAQ
Q1: What testing scenarios is this system mainly applied to?
A: The deionized water system is used in analytical laboratories, pharmaceutical manufacturing, electronics production, power plants, industrial processing and research to produce high-purity deionized water by removing ions and dissolved minerals through ion exchange or electrodeionization for analytical, laboratory and industrial applications. It supports laboratory analytical water for chemistry and life science, pharmaceutical water for manufacturing and testing, electronics component rinsing and manufacturing, power plant boiler feed water, industrial process water, and general laboratory use. The deionized water system provides consistent, high-purity water with low conductivity, supporting analytical accuracy, product quality and equipment protection. It is essential for laboratory, pharmaceutical, electronics, power and industrial facilities requiring high-purity deionized water production for analytical testing, pharmaceutical manufacturing, electronics production, power generation and industrial processes, where ion exchange or electrodeionization removes dissolved minerals and ions to produce consistent, high-purity water supporting analytical accuracy, product quality, equipment protection and process reliability in laboratory, pharmaceutical, electronics and industrial environments requiring reliable deionized water supply.
Q2: What standards does the system comply with?
A: The deionized water system produces water meeting ISO 3696 (Type II/III), ASTM D1193, CLSI standards, and relevant GB/T standards for laboratory water. Pharmaceutical water applications follow applicable pharmacopoeial requirements (Purified Water per USP/EP/ChP). The system complies with applicable electrical safety standards. Water quality should be monitored with calibrated resistivity/conductivity meters. Users should verify water quality meets the requirements of their specific applications.
Q3: What is the warranty period for the whole machine and key components?
A: The whole deionized water system is covered by a 12-month warranty. The DI/EDI module, pumps, controller and housing are covered, while pre-filters, DI resin, cartridges and membranes are consumables excluded from warranty. Damage from improper feed water quality, lack of maintenance or unauthorized repair is excluded. Extended service contracts are available for this critical water equipment.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained laboratory or water treatment personnel familiar with deionized water systems and maintenance. We provide operation manuals, training and application support. Proper system operation, resin/cartridge replacement schedule, water quality monitoring, sanitization and maintenance are important for consistent water quality and system longevity.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular maintenance required? What is the recommended maintenance cycle?
A: Pre-filter replacement every 3-6 months. DI resin or EDI module maintenance per water quality or schedule. Polishing cartridge replacement when resistivity drops. Regular sanitization per manufacturer schedule. Water quality (resistivity/conductivity) monitoring continuously or periodically. Full system maintenance annually. Storage tank cleaning periodically.
Q7: Are supporting consumables universal?
A: Pre-filters, DI resin, cartridges and membranes are available from water treatment suppliers, though system-specific parts should be verified. Long-term consumable cost is moderate depending on feed water quality and water usage.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes production capacity, water quality level, DI vs EDI, storage tank size, dispensing options, monitoring features, recirculation loop and connectivity. Additional dispensers, tanks and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Yes, deionized water systems include on-site installation, commissioning, water quality testing and operator training by water treatment specialists. Site survey and feed water quality assessment are recommended before delivery to ensure plumbing, power and environmental requirements are met.
Q10: What types of applications are compatible with this equipment?
A: The deionized water system produces deionized water for laboratory, pharmaceutical, electronics, power and industrial applications within the feed water quality specification and production capacity. Deionized water is suitable for general laboratory use, analytical chemistry, glassware washing, equipment feed and pharmaceutical purified water (if properly validated). For critical applications requiring ultrapure water (Type I), additional polishing (ultrafiltration, UV, TOC reduction) may be needed. Feed water should meet the system input requirements (typically municipal or RO water). Users should monitor water quality (resistivity/conductivity) regularly, replace consumables per schedule, sanitize the system periodically, use appropriate water grade for each application, and verify water quality for critical applications. The system should not be operated with feed water exceeding specified quality limits. For pharmaceutical use, the system should be qualified (IQ/OQ/PQ) and validated per applicable pharmacopoeial requirements, with ongoing monitoring and documentation. The storage tank and distribution loop should be designed to prevent microbial proliferation and maintain water quality at the point of use.
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