ZEALWAY GF88DA Vertical Steam Sterilizer

Overview

The ZEALWAY GF88DA Vertical Steam Sterilizer is an engineered solution for reliable, repeatable, and compliant terminal sterilization of laboratory media, instruments, glassware, and biohazardous waste. It operates on the principle of saturated steam under controlled pressure and temperature—leveraging the well-established microbiocidal efficacy of moist heat at temperatures up to 138 °C and pressures up to 0.31 MPa (gauge). The unit conforms to international sterilization standards including ISO 17665-1 (Moist Heat Sterilization), EN 285 (Large Steam Sterilizers), and relevant clauses of USP and FDA 21 CFR Part 11 for electronic record integrity. Its stainless steel (SUS304) chamber, precision pressure regulation, and real-time thermodynamic monitoring ensure consistent delivery of lethal F₀ values across diverse load configurations.

Key Features

• Robust dual-safety architecture: Mechanical safety valve (CE-PED certified) and independent electronic overpressure cutoff system provide redundant protection against pressure excursions.
• True interlocked lid mechanism: Electrically actuated dual-lock system verifies lid closure status, chamber pressure, and internal temperature before enabling cycle initiation—and prevents opening until conditions meet defined safe thresholds (≤ 100 °C and ≤ 0.05 MPa).
• Dual water-level sensing: Thermal sensor and conductivity-based probe operate in parallel to eliminate false dry-run detection, triggering immediate power cutoff and audible alarm upon low-water condition.
• Inspiration II intelligent controller: Enables full programmability—including custom cycle definition, parameter recall, and persistent memory (retains settings after power loss). Supports F₀ calculation with optional thermal printer integration.
• Six-stage adjustable exhaust: Optimizes post-cycle cooling rate for heat-sensitive loads (e.g., agar media, plastics), minimizing thermal stress while preventing boil-over or container deformation.
• Comprehensive diagnostics: Real-time system health monitoring with alphanumeric error codes, automatic logging of operational anomalies, and scheduled backend safety verification routines.
• Validation-ready interface: Dedicated temperature and pressure calibration ports compatible with third-party validation hardware; supports up to 15 simultaneous thermocouple inputs using optional 3Q adapter kits.

Sample Compatibility & Compliance

The GF88DA accommodates a broad range of sterilizable materials—including wrapped/unwrapped surgical instruments, culture media (liquid and solid), pipette tips, labware, and regulated biological waste. Its 88 L chamber (Ø405 × 743 mm) permits flexible loading with standard stainless-steel baskets (Ø360 × 280 mm, supplied as standard). All critical components—including pressure vessel, safety valves, and control electronics—comply with China’s Special Equipment Safety Law and EU PED 2014/68/EU. Electrical design meets IEC 61010-1 for laboratory equipment safety. The system supports audit-ready documentation per GLP and GMP requirements, with timestamped cycle records, user authentication logs, and immutable data export via USB.

Software & Data Management

The embedded controller features a high-resolution color LCD with intuitive icon-driven navigation and multilingual UI (English/Chinese). Up to 60 user-defined programs may be stored locally. Each completed sterilization cycle is logged with date/time stamp, operator ID (linked to 5-tier permission levels), setpoints, actual process profiles, F₀ value, and diagnostic flags. A built-in 500-cycle non-volatile memory enables full traceability without external infrastructure. USB 2.0 port allows direct transfer of raw CSV files for offline analysis; proprietary software (available separately) converts time-series temperature/pressure data into graphical sterilization curves aligned with ISO 14161 validation reporting conventions.

Applications

This sterilizer serves core functions across academic research laboratories, clinical diagnostics centers, pharmaceutical QC labs, and biotechnology production facilities. Typical use cases include: autoclaving of nutrient agar and broth media prior to pour-plating; decontamination of reusable surgical tools in veterinary or teaching hospitals; sterilization of glassware and plastic consumables in cell culture suites; and validated terminal processing of biohazardous waste streams under local biosafety regulations. Its extended temperature range (105–138 °C) supports accelerated cycles for low-bioburden items and enhanced lethality for resistant spores (e.g., Geobacillus stearothermophilus ATCC 7953).

FAQ

Does the GF88DA support regulatory validation (IQ/OQ/PQ)?
Yes—calibration ports for independent temperature and pressure verification are provided, and the system is compatible with industry-standard validation adapters supporting up to 15 thermocouples.
What safety certifications does this model hold?
It carries CE marking under PED 2014/68/EU for pressure equipment and holds China’s Special Equipment Manufacturing License for Class II pressure vessels.
Can sterilization data be exported for quality audits?
Yes—cycle records (500 max) are stored internally and exportable via USB in CSV format; optional software generates ISO-aligned validation reports and F₀ trend charts.
Is remote monitoring or network connectivity available?
No native Ethernet or Wi-Fi interface is included; however, USB-exported logs integrate seamlessly with LIMS or ELN platforms via standard import protocols.
How is overheating prevented during operation?
A dedicated overtemperature protection circuit continuously monitors chamber wall and steam temperature sensors; deviation beyond ±2 °C from setpoint triggers immediate shutdown and fault code display.
What maintenance intervals are recommended?
Daily visual inspection of door gasket and drain filter; quarterly verification of safety valve lift pressure and water-level sensor response; annual full calibration and leak testing per ISO 17665-2 Annex D guidelines.