Super Heated Water Spray Sterilizer

Terminal sterilization provides a higher degree of sterility assurance than aseptic processing is well understood and leads regulatory agencies around the world to require that if the product can be terminally sterilized it must be. The technology of hot water sterilization with counter pressure has been developed specifically for the terminal treatment of solutions in sealed containers.
The working principle is based on automatic counter pressure by injection of compressed air into the chamber during the entire cycle, to minimize the differential pressure across the containers generated by exposure to heat. The water shower over the product ensures that a uniform temperature distribution is maintained throughout the chamber during the sterilization phase. The high rate of water circulation and the two-stage water distribution system ensures accurate and homogenous temperature distribution in the product to be sterilized. Since the water comes into physical contact with the container the heat transfer is more efficient and the process efficiency is not affected by air pockets. The pressure in the chamber is continuously adapted to the internal pressure of the containers and the entire process can be controlled easily and accurately.



Applications:

  • Ampoules
  • Blow Fill Seal containers.
  • Vials
  • Closures, Vessels, Machine and change parts.
  • Polypropylene bottles
  • Glass Bottles
  • Soft bags


Salient Features:

  • Rectangular or circular cross-sections depending on your process application.
  • High flow, low-pressure stainless steel centrifugal pumps for fast heat transfer and short heating & cooling times.
  • Water sprinkling manifold for uniform distribution of circulating water.
  • Accurate & versatile air compensation system for even the most delicate containers.
  • Flexible design loading carts for ergonomic handling, space utilization and temperature uniformity.
  • Automatic loading and unloading systems for fast and safe handling.
  • Optionally systems with fast heat transfer are available for sterilizer heat labile products.
  • F0 control programs for sterilizing special formulations.
  • Wide range of chamber models for catering to small production requirements to very large systems for high speed I.V infusion lines.
  • Flexible operating temperature range for handling a wide configuration of packing material from plastics to glass.

Super Heated Water Spray Sterilizer FAQs


It is a terminal sterilization system that circulates superheated water through high-pressure spray nozzles to uniformly sterilize sealed liquid containers with exceptional temperature control.

It uses recirculated superheated water instead of direct steam, delivering ±0.5°C uniformity and precise over-pressure control ideal for sealed liquid products.

LVPs, IV bags, injectables, ophthalmic solutions, oral liquids, Ayurvedic syrups, and sealed cosmetic liquid products.

Uniform temperature prevents under-sterilization and avoids product degradation or container damage.

Yes — it is suitable for sealed liquid herbal formulations requiring gentle terminal sterilization.

It extends shelf life and ensures microbial safety of sealed cosmetic liquids.

It maintains controlled counter-pressure to prevent bursting or deformation of sealed containers.

Typically 121°C with programmable over-pressure between 0.5–3.0 bar.

Controlled cooling prevents thermal shock, cracking, or bag distortion.

Yes — designed to comply with WHO-GMP, Schedule M, USP 1229, EU Annex 1 and international standards.

IQ, OQ, PQ, heat penetration studies, biological indicators, and F₀ validation.

F₀ represents equivalent sterilization time at 121°C ensuring validated lethality.

From 300 liters to 15,000+ liters with customized rack and trolley systems.

Precise over-pressure prevents bag expansion, seal peeling, and port leakage.

SS 316L internal surfaces with electropolished finish for GMP compliance.

Supports terminal sterilization, parametric release, and full electronic traceability.

WFI supply, steam or electric heating, compressed air, cooling water, and 3-phase power.

Batch release based on validated process parameters and F₀ data instead of sterility testing.

Annually or after major repairs, configuration changes, or container format updates.

Selection depends on container type, throughput, regulatory targets, utilities, and expansion plans.

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