ST-LPW04-040
The 40 L/h configuration uses an 11 gal pressure tank, providing the smallest production-and-storage combination for separated analytical batches.
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Cleanroom Pure Water Systems
Laboratory Ultrapure Water System – ST-LPW04 Series
Product specifications
| Brand | ST |
|---|---|
| Public model series | ST-LPW04 |
| Feed-water requirements | municipal tap water; TDS ≤200 ppm, pressure 1.0–5.0 kg/cm², temperature 5–45°C |
| Main unit dimensions | H × W × D: 1430 × 525 × 570 (mm) |
| Unit weight | 80 kg |
| Power supply and rated power | AC 220 V/50 Hz (power 50-100 W) |
| Dispensing rate | 1.8-2.0 L/min |
| RO water quality | conductivity ≤2-10 µS/cm (online monitoring) |
| Ultrapure water quality | resistivity 15-18 MΩ·cm at 25°C (online monitoring:GB/T 6682-2008) |
Customization availableSpecifications can be customized to your requirements.
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Laboratory Ultrapure Water System – ST-LPW04 Series offers a floor-standing source of RO and polished water for laboratories whose tasks fit the stated 15–18 MΩ·cm range. It supports regular washing and solution preparation with quality monitoring at the unit.
Its output and pressure-tank sizes grow together across three configurations. The useful distinction is how much water can be collected and replenished during the working day; a larger capacity does not turn this configuration into the different 18.2 MΩ·cm treatment variants.
MODELS AND DIMENSIONS
Available output models
| Model | Production rate | Storage tank |
|---|---|---|
| ST-LPW04-040 | 40 L/h at 25°C | supplied with 11 gal pressure tank |
| ST-LPW04-060 | 60 L/h at 25°C | supplied with 17 gal pressure tank |
| ST-LPW04-100 | 100 L/h at 25°C | supplied with 28 gal pressure tank |
Production-rate ratings are stated at the temperature shown in the table.
MODEL DIFFERENCES
Which configuration fits the task
ST-LPW04-060
The 60 L/h model pairs more rapid replenishment with a 17 gal tank, so repeated draws have a larger buffer between production cycles.
ST-LPW04-100
The 100 L/h option includes a 28 gal tank for the heaviest batch demand in this series; the higher capacity does not change the listed water-quality range.
FEATURES AND BENEFITS
How it helps
Two water-quality levels
Routine and more demanding preparation can be assigned to the appropriate outlet quality.
Matched storage sizes
The larger tanks accommodate a greater draw between production cycles when users collect water in batches.
APPLICATIONS
Where it is used
Shared laboratory water collection
Place a monitored water point near repeated preparation and rinsing tasks, with each outlet selected for the task’s required water quality.
SYSTEM SELECTION
Match polished water to the working method
Outlet requirements
Use the separate RO and polished-water ranges to decide which outlet serves each rinsing or solution-preparation task.
Batch collection
Choose the matched output and pressure-tank option around batch volume and refill time, leaving a floor position for the complete assembly.
PROCUREMENT / INQUIRY
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