Deepflow CYTANKPE30 30L Ultra-Pure Water Storage Tank

Overview

The Deepflow CYTANKPE30 is a 30-liter high-integrity storage tank engineered for integration into ultra-pure water (UPW) distribution systems in analytical laboratories, pharmaceutical QC environments, and research facilities requiring continuous supply of Type I water (ASTM D1193-20, ISO 3696:1987 Class 1, CLSI EP21-A). Constructed from medical-grade polyethylene (PE) with seamless rotational molding, the tank minimizes leachable organics and particulate shedding—critical for maintaining resistivity ≥18.2 MΩ·cm at 25 °C downstream of integrated purification modules. Unlike standard laboratory water reservoirs, the CYTANKPE30 incorporates dual-level liquid level sensing, UV-resistant housing, and a vent filtration system (0.22 µm hydrophobic PTFE membrane) to prevent microbial ingress during atmospheric equilibration. Its design complies with Good Laboratory Practice (GLP) and supports GMP-aligned water system qualification protocols (IQ/OQ/PQ) when paired with validated UPW generators.

Key Features

• 30 L capacity with calibrated volume markings (±1% tolerance) and ergonomic, low-profile footprint (Ø340 × H420 mm) for under-bench or mobile cart installation
• Pharmaceutical-grade PE resin certified to USP and cytotoxicity and systemic injection testing standards
• Integrated 316L stainless steel sanitary fittings (1/2″ NPT inlet/outlet, 1/4″ vent port) with tri-clamp-compatible sealing surfaces
• Optical liquid level sensor with analog 4–20 mA output and digital RS485 Modbus RTU interface for PLC or SCADA integration
• UV-stabilized opaque housing prevents photolytic degradation of residual organics and inhibits biofilm formation on internal surfaces
• Pre-sterilized configuration available (gamma irradiated ≤25 kGy) for aseptic filling operations in cleanroom environments (ISO Class 5–7)

Sample Compatibility & Compliance

The CYTANKPE30 is intended exclusively for storage and buffering of ultra-pure water generated by upstream purification technologies—including reverse osmosis (RO), electrodeionization (EDI), and dual-wavelength (185/254 nm) UV oxidation units. It is not rated for solvents, acids, bases, or saline solutions. Regulatory alignment includes compatibility with FDA 21 CFR Part 11 data integrity requirements when used with compliant monitoring software, adherence to EU Annex 1 (2022) provisions for water system material biocompatibility, and support for ISO 14644-1 cleanroom classification during installation. All wetted materials are documented per USP polymer identification and extractables profiling guidelines.

Software & Data Management

While the CYTANKPE30 operates as a passive storage unit, its optional sensor package enables real-time monitoring via third-party SCADA platforms or Deepflow’s AquaTrack™ System Manager (v3.2+). The 4–20 mA level signal is compatible with Siemens Desigo, Honeywell Experion, and Rockwell FactoryTalk systems. Audit trails, calibration logs, and alarm history (e.g., low-level, overfill, vent filter saturation) are retained locally for ≥30 days and exportable in CSV or PDF format. Data records meet ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) for regulatory inspection readiness.

Applications

• Buffering reservoir for LC-MS, ICP-MS, and TOC analyzers requiring stable flow and minimized pressure fluctuation
• Intermediate storage in multi-point distribution loops serving central analytical labs with ≥5 instrument connections
• Emergency reserve capacity during scheduled maintenance of primary UPW generators (e.g., during RO membrane replacement or UV lamp recalibration)
• Calibration reference volume in gravimetric verification of dispensing systems per ASTM E542 and ISO 8655-2
• Supporting ASTM D5116 chamber testing for VOC emission assessment of water-contact materials

FAQ

Is the CYTANKPE30 suitable for storing water used in cell culture applications?

Yes—when supplied with water meeting ISO 13485-compliant UPW specifications and installed within a closed-loop, recirculating system with 0.1 µm final filtration and continuous UV treatment.
Can it be sterilized in place (SIP) using steam?

No. The PE construction is not rated for autoclave or SIP conditions. Sterilization must be performed via gamma irradiation prior to installation or chemical sanitization (e.g., hydrogen peroxide vapor) validated per PDA TR70.
Does the tank include a drain valve?

Yes—a bottom-mounted 1/4″ sanitary ball valve with EPDM seal is factory-installed and fully drainable to ≤0.5 mL residual volume.
What is the maximum operating temperature?

60 °C continuous; short-term excursions up to 70 °C are permissible for ≤30 minutes during thermal sanitization cycles.
Is validation documentation provided?

A Material Compliance Dossier (including USP , ISO 10993-5, and RoHS declarations) and Dimensional Inspection Report are included. Full IQ/OQ protocol templates are available upon request for qualified customers.