Chu Ding Technology GMSX-280 Portable Steam Sterilizer
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GMSX-280 |
| Rated Power | 2000 W |
| Voltage | 220 V AC |
| Chamber Capacity | 18 L |
| Operating Pressure Range | 0.14–0.165 MPa |
| Heating Source | Dual-mode (Electric or External Fuel-based Steam Supply) |
Overview
The Chu Ding Technology GMSX-280 Portable Steam Sterilizer is a compact, manually operated gravity-displacement steam sterilization system engineered for reliable thermal decontamination in resource-constrained or mobile laboratory environments. It operates on the fundamental principle of saturated steam under controlled pressure to achieve microbial lethality—primarily targeting vegetative bacteria, fungi, viruses, and spores through sustained exposure at elevated temperature (typically ≥121 °C at 0.14–0.165 MPa). Unlike large-scale autoclaves with vacuum-assisted air removal, the GMSX-280 relies on natural air displacement via steam influx, making it suitable for non-porous, heat-stable items where full penetration into lumens or porous loads is not required. Its design complies with core sterilization process fundamentals outlined in ISO 17665-1:2019 (Sterilization of health care products — Moist heat — Part 1: Requirements for the development, validation and routine control of a sterilization process for medical devices) and aligns with WHO guidelines for basic sterilization in primary care and field settings.
Key Features
- Stainless steel 304 chamber and housing—fabricated via precision stamping, TIG welding, and electropolished surface finish for long-term corrosion resistance and ease of cleaning.
- Dual heating mode capability: integrated 2000 W electric heating element (220 V AC) plus provision for external steam supply (e.g., from coal-fired or gas-fired boilers), enabling operation in off-grid or low-infrastructure environments.
- Gravity-displacement sterilization cycle with manual pressure regulation and analog pressure/temperature monitoring—designed for procedural transparency and operator control.
- Compact footprint (approx. 380 × 380 × 620 mm) and integrated carrying handles—optimized for transport between clinics, field laboratories, veterinary stations, and food safety inspection units.
- Pressure-rated safety valve (set at 0.22 MPa) and overpressure relief mechanism compliant with GB 8599–2008 (Chinese national standard for steam sterilizers) and ASME BPVC Section VIII requirements for Class I pressure vessels.
Sample Compatibility & Compliance
The GMSX-280 is validated for sterilizing solid, non-lumened instruments (e.g., forceps, scissors, glassware), textiles (gauze, drapes), culture media solutions (in heat-stable containers), and pharmaceutical preparations requiring terminal moist-heat sterilization. It is not intended for sterilizing oil-based substances, powders, or devices with complex internal channels. All materials loaded must withstand ≥121 °C for minimum dwell times of 15–20 minutes at operating pressure. The unit meets essential safety and performance criteria per GB/T 27726–2011 (Portable Steam Sterilizers – Technical Requirements) and supports documentation traceability for GLP-aligned workflows when paired with external temperature logging devices.
Software & Data Management
As a manually operated mechanical system, the GMSX-280 does not incorporate embedded microprocessor control or digital data logging. Sterilization cycles are executed and monitored via analog gauges (pressure and temperature), mechanical timers, and visual steam venting cues. For regulated environments requiring audit trails, users may integrate standalone Class II or III thermocouple-based data loggers (e.g., compliant with ASTM E2810–17) placed within representative load configurations. Cycle records—including start/end time, observed pressure plateau duration, and operator signature—must be maintained manually in accordance with local health authority requirements and FDA 21 CFR Part 11 principles when used in GMP-relevant contexts.
Applications
- Routine sterilization of reusable surgical and dental instruments in rural clinics and mobile health units.
- Preparation of sterile culture media and buffers in teaching laboratories and small-scale biotech incubators.
- Decontamination of animal husbandry tools and veterinary equipment in farm-based diagnostic labs.
- Thermal validation of packaging integrity for low-volume food processing trials (e.g., canned sauces, herbal extracts).
- Emergency sterilization support during infrastructure outages where centralized autoclave access is unavailable.
FAQ
What is the maximum recommended load volume for effective sterilization?
The 18 L chamber is rated for up to 12 L of loosely packed, heat-permeable items to ensure adequate steam circulation and uniform thermal penetration.
Can this unit be used for sterilizing liquids in sealed containers?
Yes—provided containers are vented or designed for steam ingress (e.g., cotton-plugged flasks); fully sealed vials or ampoules require specialized vacuum-assisted cycles not supported by this model.
Is third-party validation support available for ISO 13485 or FDA registration?
Chu Ding Technology provides technical specifications and material certifications; IQ/OQ protocol templates and installation qualification documentation can be supplied upon request for integration into quality management systems.
How often should the safety valve be inspected or recalibrated?
Per GB 8599–2008, the pressure relief valve must undergo functional verification before each use and formal recalibration annually by an accredited metrology laboratory.
Does the unit include a built-in drying phase?
No—post-sterilization drying requires natural cooling and manual removal of condensate; users may employ external warm-air cabinets for moisture reduction if needed.

