Automatic Vertical Pressure Steam Sterilize
State-approved vertical pressure steam autoclave with automated controls, available in 8L-25L capacities, featuring reinforced stainless steel construction and comprehensive safety systems for research and medical sterilization.
Louise Corscadden, PhD
Director of Science · ConductScience
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The Automatic Vertical Pressure Steam Sterilizer is a state-approved autoclaving system designed for comprehensive sterilization across research, medical, and institutional settings. This vertical-orientation autoclave employs pressure steam sterilization with automated control systems, featuring reinforced stainless steel construction and multiple safety mechanisms including overpressure self-release and anti-dry burning protection.
Available in chamber volumes ranging from 8L to 25L, the system incorporates a pressure gauge with internal pressure indicator, cold air discharge capability, and both automatic and numerical control options. The reinforced flange design and spring-type pressure relief system ensure reliable operation in high-throughput laboratory environments requiring consistent sterilization protocols.
How It Works
Pressure steam sterilization operates through the synergistic effects of elevated temperature, pressure, and moisture to achieve microbial destruction. The autoclave generates saturated steam under pressure, typically reaching temperatures of 121-134°C, which denatures proteins and disrupts cellular structures in microorganisms including bacteria, viruses, fungi, and spores.
The vertical chamber design facilitates efficient steam circulation and air displacement through natural convection patterns. Cold air discharge capability ensures complete air removal, preventing cold spots that could compromise sterilization efficacy. The automated control system monitors pressure and temperature parameters throughout the cycle, maintaining optimal conditions for the specified sterilization time.
The spring-type pressure relief valve and reinforced flange construction provide containment of pressurized steam while enabling controlled pressure release. Safety mechanisms including overpressure self-release and anti-dry burning protection prevent equipment damage and operational hazards during unattended cycles.
Features & Benefits
pa_equipment-type
- 4958
pa_automation-level
- fully-automated
pa_pathology-application
- 4968
pa_temperature-range-path
- 5018
pa_specimen-capacity
- 5002
pressure_relief_type
- Spring type
safety_features
- Overpressure self-release, anti-dry burning protection
control_types_available
- Automatic Control, Numerical Control
sterilization_method
- Pressure steam
orientation
- Vertical
automation_level
- Automatic
pressure_monitoring
- Pressure gauge with internal pressure indicator
air_discharge
- Cold air discharge capability
flange_type
- Reinforced flange
state_approval
- State approved autoclaving equipment
Liters
- 8L
- 12L
- 18L
- 24L
- 25L
Material
- Stainless Steel
Research Domain
- Cell Biology
- Clinical Diagnostics
- Environmental Monitoring
- Food Science
- Microbiology
- Pharmaceutical QC
Weight
- 6.06 kg
Dimensions
- L: 65.0 mm
- W: 36.0 mm
- H: 27.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Chamber Capacity Range | 8L to 25L in five size options | Many entry-level models offer fewer capacity choices | Enables laboratories to select optimal chamber size matching their sterilization volume requirements and available space. |
| Control System Options | Both automatic and numerical control systems | Basic models often provide only manual controls | Supports both standardized protocols and customized cycles for diverse sterilization applications. |
| Safety Features | Overpressure self-release and anti-dry burning protection | Standard models may have limited safety mechanisms | Enables safe unattended operation and prevents equipment damage during extended sterilization cycles. |
| Chamber Orientation | Vertical design with reinforced flange | Horizontal chambers are common in larger systems | Provides space-efficient installation and gravity-assisted condensate drainage for optimal steam circulation. |
| Construction Material | Reinforced stainless steel throughout | Entry-level units may use thinner gauge materials | Ensures long-term durability and chemical resistance in demanding laboratory environments. |
| Regulatory Status | State-approved autoclaving equipment | Approval status varies by manufacturer | Provides assurance of compliance with national standards for institutional and research applications. |
This system combines multiple chamber capacities with automated controls and comprehensive safety features in a vertical, space-efficient design. The reinforced stainless steel construction and state approval certification support reliable operation in research and medical environments requiring validated sterilization equipment.
| Model | SKU | Listed price | Status | Dimensions |
|---|---|---|---|---|
| 25L | CS-958311 | $7,649.99 | Available | 65.0 x 36.0 x 27.0 cm |
| 24L | CS-958311 | $7,649.99 | Available | 65.0 x 36.0 x 27.0 cm |
| 18L | CS-958311 | $7,649.99 | Available | 65.0 x 36.0 x 27.0 cm |
| 12L | CS-958311 | $7,649.99 | Available | 65.0 x 36.0 x 27.0 cm |
| 8L | CS-958311 | $7,649.99 | Available | 65.0 x 36.0 x 27.0 cm |
Practical Tips
Verify pressure gauge accuracy monthly using a calibrated test gauge connected to the chamber pressure port.
Why: Accurate pressure monitoring is essential for sterilization efficacy validation and regulatory compliance.
Clean chamber surfaces weekly with mild detergent and inspect door seals for wear or damage.
Why: Regular cleaning prevents mineral buildup that could affect heat transfer and steam circulation patterns.
Allow adequate spacing between items and avoid overloading to ensure steam circulation reaches all surfaces.
Why: Proper loading enables uniform temperature distribution and prevents sterilization failures in dense load areas.
Always allow pressure to return to atmospheric levels before opening the chamber door.
Why: Opening under pressure can cause rapid steam release and potential injury from superheated materials.
If steam discharge is excessive, check door seal integrity and air release valve operation.
Why: Proper sealing prevents steam loss that could compromise sterilization temperatures and extend cycle times.
Document cycle parameters including temperature, pressure, and time for each sterilization run.
Why: Complete documentation enables process validation and provides traceability for regulatory audits.
Use biological indicators weekly and chemical indicators with every cycle to monitor sterilization performance.
Why: Regular monitoring detects sterilization failures before they compromise research materials or safety.
Descale the chamber quarterly using appropriate cleaning agents to remove mineral deposits.
Why: Mineral buildup reduces heat transfer efficiency and can damage heating elements over time.
Setup Guide
What’s in the Box
- Vertical pressure steam sterilizer main unit
- Pressure gauge with mounting hardware
- Safety valve and air release valve
- Control instrument panel
- Stainless steel chamber baskets (typical)
- Power cord and electrical connections
- Operating manual and safety instructions
- Pressure testing certificate (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with technical support for operational guidance and troubleshooting assistance.
Compliance
What sterilization cycles are appropriate for different laboratory materials?
Cycle selection depends on material heat tolerance and bioburden. Standard cycles of 121°C for 15-20 minutes suit most glassware and metal instruments, while heat-sensitive plastics may require lower temperature extended cycles. Consult product datasheet for specific temperature and pressure ranges.
How do I verify sterilization efficacy in routine use?
Use biological indicators containing Geobacillus stearothermophilus spores placed in test packs during routine cycles. Chemical indicators provide process monitoring, while the internal pressure gauge enables real-time verification of sterilization parameters.
What water quality is required for optimal performance?
Distilled or deionized water prevents mineral deposits that could interfere with steam generation and pressure control. Regular water quality monitoring and chamber cleaning maintain optimal heat transfer and extend equipment lifespan.
How does the cold air discharge system function?
The system enables complete air removal through controlled venting before steam introduction, preventing cold spots that compromise sterilization. This ensures uniform temperature distribution throughout the chamber volume.
What maintenance schedule is recommended for reliable operation?
Weekly chamber cleaning, monthly pressure gauge calibration verification, and quarterly safety valve testing maintain optimal performance. Annual professional calibration and inspection ensure continued accuracy and safety compliance.
Can the system accommodate wrapped instruments and porous loads?
The steam circulation design supports wrapped instruments and fabric materials when proper packaging and loading techniques are employed. Adequate spacing and appropriate cycle selection ensure steam penetration through porous materials.
How does this compare to horizontal chamber autoclaves?
Vertical orientation provides gravity-assisted drainage and natural steam circulation patterns, while typically requiring less floor space than horizontal models. Chamber capacity and loading accessibility differ between orientations based on laboratory workflow requirements.
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