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Cleanroom Utility Systems
Purified Water Storage Tank
A drainable 316L stainless steel holding tank engineered to buffer Purified Water while supporting hygienic recirculation, venting and in-place cleaning.
- Drainable hygienic vessel geometry
- 316L product-contact construction
- Loop-ready vent, spray and level fittings
Product Introduction
This vertical storage vessel provides controlled hold-up between a Purified Water generator and its continuously recirculating distribution loop. A dished bottom directs water toward the low-point outlet, while hygienic top connections accommodate a vent filter, spray device, level instrument and return line. Product-contact welds and internal surfaces are finished for effective cleaning and visual inspection.
Key Features
316L stainless steel product-contact surfaces
Hygienic side manway for internal inspection
Top-mounted spray device connection for cleaning coverage
Sanitary vent-filter and level-instrument ports
Low-point outlet arranged for distribution-loop feed
Four-leg support frame with adjustable feet
Customer Product Concerns
A Purified Water tank must provide useful buffer capacity without introducing stagnant pockets, poorly wetted surfaces or uncontrolled air exchange.
Residual water remains after drainingUse a sloped dished bottom, a true low-point outlet and drainable sanitary branches sized for the selected vessel geometry.
Tank surfaces are difficult to clean consistentlyPosition a fixed spray device and return connection to wet the internal shell, head and fitting shadow areas during the defined cleaning cycle.
Air exchange threatens stored-water hygieneFit a correctly sized hygienic vent-filter assembly with a drainable housing and service access above the vessel.
Level swings disrupt loop operationIntegrate continuous level measurement and independent high or low level switching for coordinated generator and distribution-pump control.
Typical Applications
Pharmaceutical Purified Water generation systemsBiotechnology process-water utilitiesCosmetic and personal-care purified-water loopsNutraceutical manufacturing water systemsLaboratory and pilot-plant PW storage
Technical Parameters
Representative construction ranges are selected according to storage volume, loop demand, sanitization method and installation envelope.
| Core Material | 316L stainless steel product-contact shell, heads, nozzles and internal fittings |
|---|---|
| Panel Thickness | Vessel shell typically 2.0–6.0 mm according to diameter and design condition |
| Effective Width | Vessel diameter typically 600–2400 mm |
| Maximum Length | Overall vessel height typically up to 5000 mm |
| Steel Facing Thickness | Optional stainless jacket or external cladding typically 0.8–1.5 mm |
| Core Density | 316L stainless steel density approximately 8000 kg/m³ |
| Thermal Conductivity | 316L stainless steel approximately 15 W/(m·K) at ambient temperature |
| Surface Finish | Hygienic mechanically polished or electropolished internal surface with satin external finish |
| Joint Type | Orbital-weld-ready sanitary tube stubs with clamp or welded hygienic instrument connections |
| Customization | Available based on the intended application and operating environment. |
Available Options
Atmospheric or low-pressure vessel configurationInsulation and stainless outer jacketRotary spray head or fixed spray ballHydrophobic vent-filter housingRadar, load-cell or pressure level measurementTemperature, conductivity and sample portsHeating jacket for hot-water sanitizationCustomized support legs and access platform
Planning a Purified Water Storage Tank specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
