Zealway FD50SA Vertical High-Pressure Steam Sterilizer

Overview

The Zealway FD50SA Vertical High-Pressure Steam Sterilizer is an engineered solution for reliable, repeatable moist-heat sterilization in resource-constrained and mid-throughput laboratory, clinical, and industrial environments. Based on the fundamental principle of saturated steam under controlled pressure and temperature—compliant with ISO 17665-1 (Sterilization of health care products — Moist heat) and aligned with USP and EN 285 standards—the FD50SA delivers validated microbial inactivation across diverse load types. Its vertical configuration optimizes floor space without compromising chamber volume or thermal uniformity. Designed for operation at up to 135 °C and 0.30 MPa, it supports standard sterilization cycles (e.g., 121 °C/15–20 min, 134 °C/3–5 min) as well as extended hold times for porous or wrapped loads. The unit integrates a microprocessor-based control system with real-time monitoring of critical process parameters—including chamber temperature, pressure, and elapsed time—ensuring traceability and adherence to GLP and GMP documentation requirements.

Key Features

• Pulsed air removal system: Automatically executes multiple vacuum pulses prior to steam admission, ensuring complete displacement of ambient air from the chamber and load—critical for achieving uniform steam penetration and eliminating cold spots.
• Dual-mode drying functionality: Supports both lid-open and lid-closed drying protocols; lid-open drying enables rapid passive evaporation post-sterilization, while lid-closed drying (R-model only) utilizes forced-air exchange via an integrated air pump and 0.2 µm HEPA-grade filter, delivering consistent residual moisture reduction per ISO 15883-1 Annex C.
• Integrated water recycling loop: Built-in reservoir and internal steam condensate recovery pathway minimize external water consumption and reduce operational waste—particularly advantageous in off-grid or low-infrastructure settings.
• Intuitive segmented LED interface: Dedicated physical keys and segmented display provide simultaneous visibility of sterilization temperature, cycle time, and drying duration—eliminating menu navigation delays and reducing operator training burden.
• Comprehensive fault logging: Stores up to 20 chronological event records—including error codes, timestamps, and associated process phase—facilitating root-cause analysis, preventive maintenance scheduling, and audit readiness.
• Robust stainless-steel chamber construction: 304-grade austenitic stainless steel interior with polished finish ensures corrosion resistance, ease of cleaning, and long-term dimensional stability under repeated thermal cycling.

Sample Compatibility & Compliance

The FD50SA accommodates a broad spectrum of sterilizable materials: wrapped surgical instruments, glassware, culture media (liquid and agar), pipette tips, textile packs, and porous veterinary/biotech consumables. Chamber geometry (Ø320 mm × H725 mm) permits vertical loading of tall flasks and reusable containers. All sterilization cycles are fully compliant with national and international regulatory frameworks governing medical device reprocessing—including China’s YY 0504-2016, EU MDR Annex I essential requirements, and FDA guidance for steam sterilizers used in healthcare facilities. Optional validation accessories (e.g., thermocouple ports, biological indicator holders) support IQ/OQ/PQ protocol execution in accordance with ISO 13485 and ISO 11135.

Software & Data Management

While the FD50SA operates via embedded firmware without external PC dependency, its control architecture supports full data integrity per FDA 21 CFR Part 11 principles. All cycle executions—including start/stop timestamps, setpoints, actual chamber profiles, and alarm events—are immutably logged in non-volatile memory. Audit trail functionality records user ID (via manual entry), action type, and modification history for every parameter change. Export-ready cycle reports can be printed via optional RS232 or USB interface (model-dependent). For laboratories requiring electronic record integration, Zealway provides a companion data export utility compatible with LIMS platforms and CSV-based archival systems—ensuring alignment with ALCOA+ (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) data governance criteria.

Applications

This sterilizer serves as a primary decontamination platform across decentralized healthcare infrastructure—including township hospitals, community health centers, and rural clinics—where reliability, low maintenance, and minimal utility dependencies are paramount. In agri-biotech and food safety labs, it validates media preparation workflows and sterilizes sampling equipment for microbiological testing (e.g., ISO 6887, ISO 4833). Veterinary practices utilize it for instrument reprocessing between procedures, while small-scale biomanufacturers deploy it for lab-scale media and buffer sterilization prior to aseptic filling. Its compact footprint and 50 L capacity make it especially suited for QC/QA labs in contract manufacturing organizations (CMOs) supporting dietary supplement, cosmetic, and herbal product development.

FAQ

What sterilization standards does the FD50SA comply with?
It meets ISO 17665-1 for moist-heat sterilization process validation and aligns with EN 285 for large steam sterilizers, YY 0504-2016 (China), and USP sterility assurance requirements.
Is biological validation supported out of the box?
Yes—dedicated BI (biological indicator) placement slots and thermocouple access ports are available as factory-installed options to facilitate routine spore challenge testing and temperature mapping.
Can the unit be integrated into a centralized lab management system?
Via optional RS232 or USB connectivity, cycle logs and alarms can be exported to LIMS or ELN platforms; full SCADA integration requires third-party middleware compatible with Modbus RTU protocol.
What maintenance intervals are recommended?
Daily door gasket inspection and weekly chamber drain valve flushing are advised; annual calibration of pressure transducer and temperature sensors by an accredited service provider is required for continued compliance.
Does the FD50SA support programmable multi-step cycles?
Yes—up to 10 user-defined cycles may be stored, each configurable with pre-vacuum steps, sterilization hold, exhaust rate control, and dual-stage drying parameters.