ETO sterilizer hot air system
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ETO sterilizer hot air system

Advanced Air-Jacketed Heating Technology

One of Bocon’s core engineering breakthroughs is our signature Air-Jacketed Heating System. Unlike traditional hot water jacket designs, Bocon utilizes a sophisticated hot air circulation system to maintain chamber temperature. This innovative approach offers a superior alternative to conventional systems, delivering significant advantages in operational safety, thermal precision, and long-term maintenance efficiency. By choosing air over water, we provide our clients with a cleaner, more reliable, and energy-efficient sterilization environment.

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BOCON Hot Air Eto Sterilizer Specifications

Compliance: EN 1422, CE, ISO 13485 Support: FAT, SAT, DQ, IQ, OQ, PQ

Engineering Support

Custom dimensions and automated conveyor systems are available upon request.

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Bocon Hot Air Jacket ETO Sterilizer VS Traditional Water Jacket EO Sterilizer

Feature / Specification Bocon Hot Air Jacket System Traditional Water Jacket System
Heating Efficiency High: Uniformly blankets chamber and doors directly. Lower: Indirect heat transfer via water medium.
Energy Consumption Optimized: Only heats product load and air. High: Significant energy wasted to maintain water temperature.
Heat-up Time (from 21°C) Rapid: Less than 3 hours. Slow: Requires heating large volumes of water first.
Maintenance Requirements Low: Dry system, no additives or water pumps. High: Constant monitoring of corrosion and seal replacements.
Corrosion Risk Zero: Eliminates rust and mineral build-up. High: Prone to scaling and internal corrosion.
Leak Impact Minor: Non-critical for performance and easily repaired. Critical: Causes thermal instability and safety hazards.
Weight & Logistics Light: Easier rigging, installation, and lower shipping costs. Heavy: Complex structural requirements for installation.

Why Choose BOCON EO Sterilizer?

Technological Excellence vs. Conventional Industry Standards.

180 Tons / Month Water saved for 20m³ chamber
(Equipped with Gas-water separator)
RMB 230,000 / Year Electricity saved (100m³ Unit)
Based on China Industrial Power Rates
Air Jacket System Bocon Exclusive
Maintenance-free Hot Air Tech
Centralized Heating Redundant Dual-pump Stability
for Multi-unit Layouts

1. Vacuum Pump Technology

Item BOCON OTHERS
Vacuum Pump Options Dry Screw / Water Ring / Oil Ring (Multiple options available) Usually only Water Ring Pump
Ultimate Vacuum Level Up to -101.27 kPa (Dry Screw Pump) Approx. -90 kPa
Water Consumption With BOCON Gas-water separator: Water replaced once per week Continuous water consumption
Maintenance Low maintenance (Dry pump), No oil emulsification risk Frequent oil change (Oil pump) or limited performance
Deep vacuum capability is essential for removing moisture and oil residues, especially for biological products such as sutures. Japanese manufacturers commonly use dry pumps to shorten aeration time from two days to less than half a day through repeated deep vacuum cycles.

2. Water-Saving Performance

Example: A 5.5 kW water ring pump consumes approximately 20 liters per minute. For a 20m³ sterilizer chamber with 8 vacuum cycles (22 minutes each), total water consumption per cycle reaches 3.52 tons.

With 14 cycles per week, total weekly consumption exceeds 49 tons. After installing BOCON’s exclusive Gas-water separator system, water replacement is required only once per week, saving approximately 45 tons of water per week (approx. 180 tons per month). This is especially valuable in water-scarce regions.

3. Sterilizer Chamber Design

Item BOCON OTHERS
Chamber Type Water Jacket / Air Jacket (Hot Air System) Water Jacket Only
Heating Speed Fast heating & cooling (Air Jacket) Slower temperature transition
Maintenance No leakage risk, long service life (Air Jacket) Water leakage risk over time
Space Requirement Compact installation, suitable for multi-unit layout (Air Jacket) Larger footprint
The BOCON Air Jacket System (Hot Air Sterilizer) provides rapid temperature change, extended equipment lifespan, and reduced maintenance cost. It is ideal for installations with limited space or multiple sterilizers arranged together. Note: Air jacket systems may produce higher noise levels and may require sound insulation measures.

4. Exclusive EG Burner System

Item BOCON OTHERS
Exhaust Treatment Gas + Liquid waste combustion with energy recovery Combustion only (gas) or scrubber only
Energy Recovery High-temperature flue gas heats water for sterilizer use No energy recovery
Liquid Waste Handling Integrated liquid waste combustion Scrubber cannot treat liquid waste
The BOCON EG Burner combines waste liquid treatment and energy recycling. For example, a 100m³ sterilizer system can save approximately RMB 230,000 per year in electricity costs based on China industrial power rates. It also enables catalyst recovery, reducing ongoing operating expenses. (Others typically use combustion only, which requires 24/7 operation and higher risk, or scrubbers that cannot treat liquid waste.)

5. Centralized Heating System

Item BOCON OTHERS
System Design Centralized heating with dual pump redundancy Single water heating unit
System Stability Backup pump ensures continuous operation System stops if pump fails
Application Suitable for multiple sterilizers in one workshop Individual heating per unit
The BOCON centralized heating system improves operational reliability, reduces heating tube failure rates, and minimizes equipment footprint through an optimized large-capacity water tank design. It is especially suitable for large-scale EO sterilization facilities.

Full Technical Specifications & Properties

BOCON Hot Air ETO Sterilizer System Details

Feature Category Technical Specification
STANDARDS & PHYSICAL ACCESS
System Design Standards EN1422, ISO11135-2014
Door Configuration 2 Doors; Pneumatic translation seal (Default); Optional: Rotary or Lifting
CONTROL SYSTEM & DATA INTEGRITY
System Control Mode Soft Manual & Full-Automatic
Data Recording Interval mode & Warning triggered mode; Continuous curve recording
Data Storage Lifecycle 10 Years (Secure HDD Storage)
Data Processing PC Monitoring & Specialized Sterilization Data Software
SENSORS & PRECISION
Temp Control Precision Inside: ±3°C | Wall: ±5°C (Res: 0.1°C)
Pressure Management Range: -100 to +150Kpa; Res: 0.1Kpa; Resistance: up to 80KPa (Standard)
Vacuum Performance < 30 minutes (0 to -90KPa); Continuous/Stepping modes
Humidity Performance 0-100%RH (non-condensing); Resolution: 0.1%RH
AUTOMATION & SAFETY CONNECTORS
Automatic Detection Cabinet water volume, Steam pressure, and Vacuum pump monitoring
Safety Alerts Real-time display & warning for insufficient steam or pressure
System Protection Nitrogen protection (Optional/Auto); Tail gas treatment (Auto-control)
Exhaust Control In-door and Out-door air exhausting with automatic valve control
GAS RECIPES & PROCESS
Supported Gas Recipes Mixed Gas (CO2/EO mixtures: 70/30, 20/80, 10/90) and Pure EO (with N2)
Time Management 0-99 hours; Resolution: 1 min
Customized solutions for high-pressure chambers (>80KPa) and specific gas concentrations are available.

Technical FAQ

Expert insights into Bocon EtO Sterilization Hot Air Circulation Systems

EtO sterilization depends on the "Big Four" parameters: Gas concentration, Humidity, Time, and Temperature. Bocon's Hot Air System ensures that heat and moisture are distributed uniformly throughout the entire chamber load. This high-efficiency circulation eliminates cold spots and ensures that the EtO gas can penetrate dense medical device packaging effectively, regardless of their position in the sterilization chamber.
Our systems are engineered for high-precision thermal stability. We typically achieve a temperature uniformity of ±1°C or better within the chamber volume. This level of control is managed via advanced Siemens PLC controllers and high-accuracy RTD sensors, ensuring the process remains within the validated range required by ISO 11135 standards.
Since EtO is highly flammable and explosive, Bocon utilizes ATEX or IECEx-certified explosion-proof fans and specialized heating elements. The hardware is designed to prevent spark generation. Furthermore, the system is interlocked with the control software to ensure that the heating process only operates when gas concentrations are within safe levels, often involving nitrogen dilution as a safety cushion.
Absolutely. We provide modular solutions ranging from 1m³ laboratory units to 100m³ large-scale industrial chambers. We calculate the required thermal load and air exchange rates based on your specific product density and chamber volume to ensure optimal performance for your sterilization cycles.
To maintain medical-grade cleanliness and resist corrosion from sterilization gases, Bocon uses high-quality SS304 or SS316L stainless steel for all internal ducting, fan blades, and chamber surfaces. This ensures longevity and prevents any particulate contamination of the medical devices being processed.
Yes. All Bocon systems are equipped with advanced data acquisition capabilities. Every parameter—including temperature, pressure, and fan speed—is recorded in real-time. Our software is designed to be compliant with FDA 21 CFR Part 11, providing the electronic records and audit trails necessary for international regulatory inspections.

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