Multi-effect Water Distillation Machine


Multi-Effect Water Distiller for Pharmaceutical WFI Production

Nomen Pharma provides multi-effect water distillers for the production of Water for Injection (WFI) in pharmaceutical, biopharmaceutical, medical device, food and biotechnology facilities.

The system uses multi-effect distillation and forced falling-film evaporation technology to convert qualified purified water into high-purity, pyrogen-free Water for Injection. Product-contact parts are manufactured from 316L stainless steel, while PLC-based automatic control supports stable operation, process monitoring and integration with WFI storage and distribution systems.

Available models include six-effect configurations with production capacities from 500 L/h to 6000 L/h. The final system can be selected according to WFI demand, available utilities, installation space, control requirements and applicable project standards.

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Multi Effect Water Distiller

Technical Features:

◆ All parts in contact with raw water,pure steam and waterfor in jection are made of 316L material.

◆ The stainless steel surface is electrochemically polished to ensure the quality of water for injection and e*tend the service life of the equipment.

◆ The e*ternal preheater,condenser and first-effect evaporator are all double-tube plate designs,which comply with cGMP requirements and effectively eliminate the possibility of low-sanitary quality contamination of the system.

◆ All hot surfaces are insulated and surrounded by a 304 stainless steel shell.

◆ There are no moving parts on the equipment,making it quiet,safe and reliable to operate.

◆ Reliable PLC control,standardized procedures.

◆ Complete document verification and service system.

◆ Easy to operate and maintain.

◆ Using PLC automatic control technology to meet customers'different  control  requirements.From  the  most basic pure steam quality judgment and distribution,to more advanced ones such as continuous adjustment of each medium,linkage with the storage system,hierarchical password control and even the control of evaporation volume changes,it can be said to be meticulous.

◆ Complete machine performance factory test:In the complete machine test workshop,the actual working environment is simulated and the complete machine test is carried out according to the determined procedures.


Available Multi-Effect Water Distiller Models

TYPELD500-6LD1000-6LD2000-6LD3000-6LD4000-6LD5000-6LD6000-6
efficiency of production500L/h1000L/h2000L/h3000L/h4000L/h5000L/h6000L/h
Main Unit Dimension(m*m*m)1.66*1.15*2.853.5*1.35*3.53.4*1.25*3.83.8*1.25*3.84.1*1.4*3.94.5*1.5*4.14.9*1.6*4.3
Main Unit Weight(Kg)130024004200610082001030012500
Power(Kw)0.370.751.11.52.22.23


Why Use a Multi-Effect Water Distiller for WFI?

Water for Injection is used in critical pharmaceutical and biopharmaceutical processes where water quality, microbial control and endotoxin control are essential.

A multi-effect water distiller uses heat and evaporation-condensation cycles to generate WFI from qualified purified water. Steam generated in one effect is used to transfer heat through subsequent effects, allowing the system to produce WFI through a repeated distillation process.

This design is suitable for projects that require:

  • Continuous WFI production

  • High-purity pharmaceutical water

  • Pyrogen-free water generation

  • Multi-effect thermal distillation

  • Integration with storage and distribution systems

  • Automated process monitoring

  • Pharmaceutical-grade documentation and testing

The final WFI quality and compliance requirements should be confirmed according to the applicable pharmacopoeia, process design and validation plan.


WFI Production Process

The multi-effect water distiller generally operates through the following process:

  1. Qualified purified water enters the feed-water section.

  2. The feed water passes through the preheating stage.

  3. The first-effect evaporator uses heating steam to generate vapor.

  4. The vapor transfers heat to the next evaporation effect.

  5. The evaporation and condensation process continues through multiple effects.

  6. Non-condensable gases and impurities are separated from the process stream.

  7. Condensed distillate is collected as Water for Injection.

  8. The produced WFI is transferred to the storage and distribution system.

The number of effects, operating parameters and utility requirements should be selected according to the required WFI output and project conditions.


Main Features of the Pharmaceutical Water Distiller

316L Stainless Steel Product-Contact Parts

All parts that come into contact with raw water, pure steam or WFI are manufactured from 316L stainless steel.

This material selection supports:

  • High resistance to corrosion

  • Suitable hygienic performance

  • Easier surface cleaning

  • Reduced risk of material contamination

  • Long-term use in pharmaceutical water systems

The exact material certificates and surface-finish documentation should be confirmed according to the project requirements.

Electrochemically Polished Stainless Steel Surface

The stainless steel surface is electrochemically polished to support hygienic operation and improve the cleanability of product-contact areas.

Surface treatment requirements may vary according to the equipment area, applicable standard and validation plan.

Double-Tube-Sheet Design

The external preheater, condenser and first-effect evaporator use a double-tube-sheet design.

This structure helps separate different fluid streams and reduce the possibility of cross-contamination between process media. It is particularly important for pharmaceutical water systems that require controlled sanitary conditions.

Insulated Hot Surfaces

Hot surfaces are insulated and covered with a 304 stainless steel shell.

This design helps:

  • Protect operators from direct contact with hot surfaces

  • Reduce heat loss from exposed sections

  • Improve equipment safety

  • Maintain a cleaner external surface

No Internal Moving Parts in the Distillation Body

The main distillation body has no internal moving parts. This helps simplify the internal structure and reduces mechanical wear within the evaporation and condensation sections.

External pumps, valves and control components may still be included according to the complete system design.

PLC Automatic Control

The PLC control system supports automated operation and process management.

Depending on the selected configuration, control functions may include:

  • Pure steam quality judgment

  • Medium adjustment

  • Evaporation volume control

  • Storage system linkage

  • Password-level management

  • Operating status monitoring

  • Alarm management

  • Standardized operating procedures

The PLC functions and control architecture should be confirmed according to the selected model and project requirements.


Pharmaceutical and Industrial Applications

Pharmaceutical Manufacturing

The multi-effect water distiller can be used in:

  • Injectable drug production

  • Infusion production

  • Sterile formulation

  • Pharmaceutical water systems

  • Pharmaceutical factory water preparation

  • Aseptic container cleaning

Biopharmaceutical Production

Typical applications include:

  • Bioreactor support systems

  • Biological fermentation

  • Vaccine production

  • Cell culture facilities

  • Biopharmaceutical process water

  • Laboratory and pilot-scale bioprocessing

Medical Device Manufacturing

WFI or high-purity distilled water may be used in selected medical device cleaning, preparation and manufacturing processes.

The required water quality should be confirmed according to the device type and applicable regulations.

Food and Beverage Processing

The equipment can also be evaluated for selected food and beverage applications that require high-purity distilled water.

Biotechnology and Research Laboratories

The system is suitable for laboratories and research facilities that require a stable source of high-purity water for bioprocessing, analytical work or process development.


WFI Quality and Applicable Pharmacopoeia Requirements

The current product information states that the produced distilled water is designed to meet the WFI requirements of:

  • United States Pharmacopeia (USP)

  • European Pharmacopoeia (EP)

  • Japanese Pharmacopoeia (JP)

  • Chinese Pharmacopoeia (CP)

The applicable requirements depend on the project location, product category, validation process and final system configuration.

Before ordering, customers should confirm:

  • Required WFI quality standard

  • Required endotoxin specification

  • Conductivity monitoring requirements

  • Total organic carbon monitoring requirements

  • Sampling points

  • Online monitoring requirements

  • Storage and distribution conditions

  • Required qualification documents

Any specific compliance claim should be supported by the final system design and applicable validation documentation.


Control, Monitoring and System Integration

The multi-effect water distiller can be integrated with related pharmaceutical water equipment, including:

  • Purified water preparation systems

  • WFI storage tanks

  • WFI distribution loops

  • Pure steam generators

  • CIP/SIP systems

  • Sanitary valves

  • Online monitoring instruments

  • Pharmaceutical process control systems

The system can be configured for different levels of automatic operation, from basic control of pure steam quality and distribution to advanced linkage with storage, evaporation and process monitoring systems.


Factory Performance Testing

Before delivery, complete machine performance testing can be conducted in a dedicated testing area.

The test process simulates the operating conditions defined for the machine and checks the equipment according to the established procedures.

Factory testing may cover:

  • Operating sequence

  • PLC control functions

  • Valve and instrument operation

  • Water and steam flow

  • Evaporation and condensation performance

  • Alarm functions

  • Safety interlocks

  • Equipment connection points

  • Final operating status

The exact FAT scope should be agreed upon during the technical proposal and project confirmation stages.


Documentation and Validation Support

A pharmaceutical water system normally requires detailed technical documentation. Depending on the selected configuration and project requirements, the available documentation may include:

  • Equipment datasheet

  • Process flow diagram

  • Equipment layout drawing

  • Piping and connection information

  • Electrical control documentation

  • PLC control description

  • Material information

  • Surface treatment information

  • Operating instructions

  • Maintenance instructions

  • Factory test documentation

  • Inspection and testing records

  • Spare parts list

Validation documentation should be confirmed before quotation if the project requires URS, DQ, IQ, OQ, PQ, FAT or SAT support.


How to Select the Right Multi-Effect Water Distiller

Select the Capacity According to WFI Demand

The required capacity should be calculated according to:

  • Current WFI consumption

  • Peak water demand

  • Production schedule

  • Batch size

  • Cleaning and sterilization demand

  • Storage tank size

  • Future expansion requirements

The nominal production capacity should not be selected only according to average daily demand. Peak consumption and system recovery requirements should also be considered.

Confirm Available Utilities

Before final equipment selection, confirm the available:

  • Heating steam

  • Pure steam

  • Feed water

  • Cooling water

  • Drainage

  • Electrical power

  • Compressed air, if required

  • Installation space

Utility consumption and connection requirements are model-specific and should be confirmed through the technical proposal.

Confirm the Installation Layout

The equipment layout should consider:

  • Equipment dimensions

  • Maintenance clearance

  • Pipe routing

  • WFI outlet location

  • Steam and water connection positions

  • Control cabinet location

  • Access for inspection and maintenance

  • Connection to the storage and distribution system


Custom WFI Distiller Solutions

Nomen Pharma can evaluate project-based requirements for:

  • Production capacity

  • Number of effects

  • PLC control functions

  • Automation level

  • Monitoring instruments

  • Connection points

  • Equipment layout

  • WFI storage integration

  • Distribution system integration

  • Documentation requirements

  • Factory performance testing

Please provide your required WFI capacity, feed-water condition, available utilities, installation space and applicable standards when requesting a proposal.


Why Choose Nomen Pharma?

Nomen Pharma provides pharmaceutical process equipment and water system solutions for pharmaceutical, biopharmaceutical, medical and biotechnology applications.

Our support includes:

  • Multi-effect WFI distiller selection

  • 316L sanitary equipment design

  • Pharmaceutical water system integration

  • PLC-based automatic control

  • Equipment performance testing

  • Technical documentation support

  • Project-based customization

  • Installation and operation guidance

  • After-sales technical support

We work with pharmaceutical manufacturers, biopharmaceutical companies, engineering contractors, system integrators and laboratory equipment suppliers.


Frequently Asked Questions

What is a multi-effect water distiller?

A multi-effect water distiller is a thermal distillation machine that uses multiple evaporation and condensation stages to produce high-purity Water for Injection from qualified purified water.

What is the difference between a multi-effect distiller and a normal water distiller?

A multi-effect distiller uses multiple evaporation effects. Steam generated in one effect transfers heat to the next effect, allowing the system to produce WFI through repeated heat recovery and distillation stages.

What production capacities are available?

The listed models provide capacities from 500 L/h to 6000 L/h, including LD500-6, LD1000-6, LD2000-6, LD3000-6, LD4000-6, LD5000-6 and LD6000-6.

Are the product-contact parts made from 316L stainless steel?

Yes. The current product configuration specifies 316L stainless steel for parts that contact raw water, pure steam and Water for Injection.

Can the system be used for WFI production?

Yes. The equipment is designed for Water for Injection production in pharmaceutical and related high-purity water applications. Final water quality requirements and validation conditions should be confirmed according to the project.

Does the system use PLC automatic control?

Yes. PLC automatic control is used to support standardized operating procedures and different levels of process monitoring and control.

Can the water distiller connect to a WFI storage system?

Yes. The system can be designed for connection with WFI storage and distribution equipment. The final connection method and control linkage should be confirmed during project design.

What information is required for a quotation?

Please provide the required WFI capacity, feed-water condition, available heating steam, cooling water requirements, installation space, control preferences, applicable standards and documentation requirements.

Can you provide factory performance testing?

Complete machine performance testing can be arranged according to the defined procedures and project requirements. The final testing scope should be confirmed before order placement.

Do you provide customized water distillation systems?

Yes. Production capacity, control functions, connection points, system integration, layout and documentation requirements can be evaluated for customized projects.


Request a Multi-Effect Water Distiller Proposal

Looking for a pharmaceutical multi-effect water distiller for WFI production?

Send us your required capacity, feed-water condition, available utilities and installation requirements. Nomen Pharma will recommend a suitable model and provide technical specifications, configuration information and quotation support.

[Request a Technical Proposal] [Get a Customized WFI System Quote]


Multi-Effect Water Distiller

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