ULUPURE UPT-LG Centralized Ultra-Pure Water System
| Brand | ULUPURE |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | UPT-LG |
| Pure Water Grade | Type I (GB/T 6682-2008) |
| Resistivity | ≥17 MΩ·cm |
| Power Supply | AC 220 V, 50 Hz |
| Power Consumption | 2.0–3.5 kW |
| Feed Water | Municipal tap water (TDS < 200 ppm, residual chlorine ≤ 0.05 mg/L, pressure 1.5–5.0 bar, temperature 5–45 °C) |
| Production Capacity | 150–500 L/h (configurable) |
| System Architecture | Pre-treatment + Single/Dual-stage RO + Ultra-purification |
| Storage Tank | 250 L or 500 L PE tank (model-dependent) |
| Dimensions (W×D×H) | 700 × 1063 × 1600 mm |
| Footprint | ~2.5 m² |
| Weight | 200–500 kg |
| Compliance | GB/T 6682-2008, GB 33087, GB 11446.1-2013 |
| Optional Upgrades | Stainless steel cabinet (suffix “B”), EDI module (suffix “E”), 304 stainless steel sterile tank, UV photooxidation (185/254 nm), PLC + HMI control, leak detection, remote monitoring software |
Overview
The ULUPURE UPT-LG Centralized Ultra-Pure Water System is an engineered solution for large-scale, multi-laboratory environments requiring consistent, high-reliability Type I ultrapure water (≥17 MΩ·cm at 25 °C) across distributed endpoints. Unlike point-of-use systems, the UPT-LG adopts a centralized architecture comprising three integrated subsystems: a primary purification unit (pre-treatment + RO + ultra-purification), a pressurized storage reservoir (250 L or 500 L PE tank), and a closed-loop distribution network with recirculation capability. This design eliminates redundancy, reduces total cost of ownership, and enables centralized validation, calibration, and maintenance—critical for GLP-compliant laboratories in national CDCs, environmental monitoring centers, metrology institutes, and public health agencies. The system operates on a dual-stage reverse osmosis (RO) or single-stage RO + polishing configuration, depending on feed water quality and final resistivity requirements. Ion removal efficiency exceeds 99.5% (RO membranes), and organic contaminant rejection surpasses 99.8%, ensuring compliance with stringent analytical instrument specifications including HPLC, IC, ICP-MS, GC-MS, TOC analysis, and cell culture applications.
Key Features
- Fully automated control system with self-diagnostic routines: automatic startup/shutdown, real-time system self-check, inlet pressure monitoring, low-water cutoff, tank-level sensing, and emergency lockout during fault conditions.
- Intelligent membrane management: programmable overnight pre-treatment flush, RO membrane pulse-flush during standby, and periodic ultra-purification cartridge regeneration to inhibit biofilm formation and extend consumable life.
- Integrated online monitoring: continuous display of key parameters—including flow rate (L/min), inlet/outlet pressure (bar), conductivity/resistivity (μS/cm / MΩ·cm), and UV absorbance (optional 185/254 nm)—with timestamped data logging (internal memory + optional external printer interface).
- Robust mechanical architecture: standard carbon-steel powder-coated cabinet (upgradeable to full 304 stainless steel); modular layout supports field serviceability and future expansion (e.g., EDI integration, additional UV modules, or sterile loop valves).
- Emergency continuity protocol: built-in buffer capacity and priority routing logic ensures uninterrupted supply to critical endpoints during transient power loss or maintenance windows.
Sample Compatibility & Compliance
The UPT-LG delivers water meeting or exceeding the most demanding international and national standards for laboratory-grade ultrapure water. Its output conforms to GB/T 6682-2008 (Type I), GB 33087 (for trace metal analysis), and GB 11446.1-2013 (electronic-grade water specifications). While not certified to ISO/IEC 17025 or ASTM D1193 directly, its validated performance profile supports method compliance for EPA, USP , CLSI C3-A4, and ISO 3696:1987 applications when operated within defined feed water limits and maintained per manufacturer protocols. All wetted materials—including PE storage tanks, PTFE/PVDF tubing, and EPDM or silicone gaskets—are extractables-tested and compatible with long-term storage of ultrapure water. Optional sterile-loop configurations with 0.22 µm final filtration and UV irradiation enable use in aseptic cell culture workflows.
Software & Data Management
The UPT-LG’s embedded controller provides audit-ready operational records, including runtime hours, alarm history, maintenance alerts (e.g., cartridge saturation, RO fouling index), and calibration timestamps. Data are stored locally with non-volatile memory retention (>1 year). An optional ULUPURE Remote Monitoring Software Suite (licensed separately) enables secure HTTPS-based access via LAN/WAN, supporting real-time dashboard visualization, predictive failure analytics, firmware updates, and remote parameter adjustment—all compliant with FDA 21 CFR Part 11 requirements when deployed with user authentication, electronic signatures, and immutable audit trails. Integration with facility BMS (Building Management Systems) is achievable via Modbus RTU or TCP/IP protocols.
Applications
- National regulatory laboratories: Environmental monitoring (EPA Method 200.8, 3112B), food safety testing (AOAC 991.14), pharmaceutical QC (USP ), forensic toxicology, and drinking water compliance (GB 5749-2022).
- Academic and research institutions: Teaching labs (chemistry, biology, physics), graduate-level instrumentation labs (NMR sample prep, MALDI matrix dissolution), and core facilities supporting proteomics, genomics, and nanomaterial synthesis.
- Industrial R&D centers: Semiconductor wafer cleaning validation, battery electrolyte formulation, catalyst development, and photovoltaic thin-film deposition where ionic contamination must remain below sub-ppt levels.
FAQ
What feed water quality is required for stable UPT-LG operation?
Municipal tap water with TDS < 200 ppm, free chlorine ≤ 0.05 mg/L, pressure between 1.5–5.0 bar, and temperature 5–45 °C. Lower inlet pressure requires auxiliary booster pump or source tank installation.
Can the UPT-LG be validated for GMP/GLP environments?
Yes—its modular design, automated logging, and configurable alarms support IQ/OQ/PQ documentation. ULUPURE provides validation templates and can assist with on-site qualification under client-defined protocols.
Is end-point polishing available for 18.2 MΩ·cm water?
Yes—UPHW or ULPHW series point-of-use units can be installed at critical outlets to achieve final resistivity of 18.2 MΩ·cm, complete with TOC reduction (<5 ppb) and 0.22 µm sterile filtration.
How often do consumables require replacement?
Pre-filter cartridges: 3–6 months; RO membranes: 2–3 years (dependent on feed water hardness and SDI); ultra-purification columns: 6–12 months (monitored via resistivity decay and pressure differential).
Does the system support integration with existing lab infrastructure?
Yes—standard 1/2″ or 3/4″ sanitary tri-clamp or compression fittings; optional PLC/HMI interface supports Modbus, Ethernet/IP, or OPC UA for enterprise-level SCADA integration.
