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Cleanroom Utility Systems
Water for Injection System
A multiple-effect distillation system for generating hot Water for Injection with hygienic construction, energy recovery and continuous quality monitoring.
- Falling-film multiple-effect distillation
- Integrated energy recovery
- Automatic off-quality diversion
Product Introduction
The skid uses sequential stainless-steel evaporation columns, feed preheaters, droplet separation and a final condenser to convert suitable feed water into high-purity hot distillate.
Key Features
Hygienic 316L product path
Feed preheating and heat recovery
Conductivity monitoring
Automatic diversion
PLC/HMI controls
Customer Product Concerns
WFI generation requires reliable vapor separation, drainable hygienic construction and protection against off-quality startup distillate.
Droplet carryover into product vaporUse staged gravitational or mechanical separation within each evaporation effect.
High utility consumptionRecover latent and sensible heat through sequential effects and feed preheaters.
Startup distillate is out of rangeMonitor conductivity continuously and divert product automatically until the accepted window is reached.
Difficult sanitization and drainageApply hygienic sloped piping, drainable columns and controlled hot operating or sanitization sequences.
Typical Applications
Parenteral pharmaceutical manufacturingBiotechnology processingVaccine productionSterile formulationWFI storage and loop supply
Technical Parameters
The number of effects, production flow, steam demand and condenser duty are configured around WFI demand and available utilities.
| Core Material | 316L stainless-steel evaporation columns, separators and product-contact tubing |
|---|---|
| Panel Thickness | Column and pressure-boundary wall thickness selected in mm by vessel design conditions |
| Effective Width | Skid width typically 1200–3000 mm, effect count dependent |
| Maximum Length | Skid length typically up to 9000 mm, capacity and effect count dependent |
| Steel Facing Thickness | Stainless control enclosure and non-pressure cladding typically 1.5–3.0 mm |
| Core Density | 316L stainless-steel material density approximately 8000 kg/m³ |
| Thermal Conductivity | 316L stainless steel approximately 16.3 W/(m·K) at ambient temperature |
| Surface Finish | Controlled hygienic product-contact finish with brushed or insulated exterior surfaces |
| Joint Type | Orbital-welded hygienic tubing with sanitary clamp instrument and service connections |
| Customization | Available based on the intended application and operating environment. |
Available Options
Three to ten effectsSteam or electric first-effect heatingHot or cooled WFI outputTOC monitor interfaceFeed degassingIntegrated pure-steam functionRemote batch and trend records
Planning a Water for Injection System specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
