A High Pressure Sterilizer, also known as high-pressure processing (HPP) equipment or high hydrostatic pressure sterilizer, is a non-thermal technology used for food preservation, medical sterilization, and industrial applications. It applies extreme hydrostatic pressure to products submerged in water or another fluid, inactivating microorganisms like bacteria, viruses, and parasites without significantly altering the food’s taste, texture, or nutritional value. Unlike traditional heat-based methods, HPP minimizes heat damage, making it ideal for heat-sensitive items.
High Pressure Sterilizer Video
How It Works
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Preparation: The product (e.g., packaged juice, meat, or medical tools) is sealed in flexible, pressure-resistant packaging.
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Pressurization: It’s loaded into a high-pressure vessel filled with water. A pump generates intense pressure uniformly from all directions.
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Holding Phase: Pressure is maintained for 1–5 minutes, disrupting microbial cell membranes and enzymes.
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Depressurization: Pressure is released rapidly, and the product is removed.
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Shelf Life Extension: This process can extend shelf life by 2–10x compared to untreated products, depending on the item.
Key Applications
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Food & Beverage: Preserves freshness; kills pathogens like E. coli and Listeria without cooking.
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Pharmaceuticals/Medical: Sterilizes sensitive biologics; used in cleanrooms for aseptic processing.
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Cosmetics & Nutraceuticals: Ensures microbial safety without preservatives or heat degradation.
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Industrial: Eco-friendly alternative to chemical sterilization.
Advantages
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Non-Thermal: Retains vitamins, colors, and flavors better than pasteurization.
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Cold Chain Compatible: Operates at ambient temperatures (4–25°C).
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Eco-Friendly: No chemicals or radiation; energy-efficient for large batches.
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Scalable: Batch sizes range from lab-scale (liters) to industrial (tons).
Limitations
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Equipment Cost: High initial investment.
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Not Universal: Ineffective against spores without heat combo; packaging must be flexible.
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Throughput: Batch process limits speed compared to continuous flow methods.
Salient Features of High Pressure Sterilizer
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Machine is suitable to Sterilize Surgical Medical Device products like I.V. Sets, Disposable Syringes, Disposable Surgical Set, catheter, Urine Bag etc.
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ETO Sterilization reduce microbiological load and increase life span of material.
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Modular construction of chamber.
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Model is available from 0.5 Cubic Meters to 40 Cubic Metres.
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Easy to operate.
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Fully automatic operation based on PLC control.
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Semi Automatic (Pneumatically Operated Ball Valve) Control.
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Contact parts are SS 304 / 316.
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Process time about 8 hours.
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IQ/OQ/DQ documentation can be offered on demand. (OPTIONAL).
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It is useful for prevention of micro biological contamination useful for treatment of spices, dried nuts, Foods Packed cereals etc.
Process Operation of ETO Sterilizer
Ethylene Oxide Sterilization (Sterilisation) offers various distinct advantages over the conventional steam sterilizers (sterilisers), being a DRY & COLD (operates at 50ºC ) process proves very useful in sterilization of expensive items, also it has got a unique penetration ability, so it is very useful in sterilization (Sterilisation) of expensive and delicate items such as Cardiac catheters, Stents, IOL’s Tubings, various types of scopes, sharp surgical instruments etc., its unique mode of action, also enhances the life of several surgical accessories & disposables items thus making them perfectly reusable.
Types of EO Gas Sterilizers
We are one of the leading EO Gas Sterilizer manufacturer in India. We manufacture below two types of ETO sterilizers:
Semi Automatic Operation Mode EO Sterilizer: In this type of control mode there are analog type buttons onto control panel of the machine through which machine operation procedure will be done.
Fully Automatic Operation Mode EO Sterilizer: This is PLC HMI based fully automatic control mode equipment in which there is HMI mounted onto control panel of the machine through which operation procedure done.
Technical Specification of High Pressure Sterilizer
| Model | AETOS – 2.6 | AETOS – 4.5 | AETOS – 8 |
| Working Capacity in Cu. Ft. | 2.6 | 4.5 | 8 |
| Working Volume | 70 Liters | 125 Liters | 200 Liters |
| Chamber Size | 12” (W) x 12” (H) x 32”
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12” (W) x 12” (H) x 54” (D) OR
15” (W) x 15” (H) x 36” (D) |
20” (W) x 18” (H) x 38” (D) OR 16” (W) x 16” (H) x 54” (D) |
| Sterilant Gas | 40 grams cartridge | 100 grams cartridge | 170 grams cartridge |
| Sterilization Cycle | Warm & Cold Cycles are possible. | Warm & Cold Cycles are possible. | Warm & Cold Cycles are possible. |
| Aeration | In-built aeration facility provided. | In-built aeration facility provided. | In-built aeration facility provided. |
| Utility | Compressed Air (100 psig) | Compressed Air (100 psig) | Compressed Air (100 psig) |
| Power Supply | 1 K.W. | 2 K.W. | 2.5 K.W. |
| Power Voltage | 220 volts, Single Phase, 50 Hertz | 220 volts, Single Phase, 50 Hertz | 220 volts, Single Phase, 50 Hertz |
* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.
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