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100L - 400L Autoclave
Front-Loading Autoclaves

A front-loading autoclave with a traditional cylindrical vessel is the best option available for research, education, and quality assurance facilities. A cylindrical chamber is better suited to high pressure micro-environments, requires less reinforcement and insulation, and suffers less wear and tear over the life of the autoclave. Each of our front-loading autoclaves is entirely custom built to your specifications, in terms of temperature and pressure levels as well as chamber size. A lower parts count, more efficient steam generation, lean cylindrical pressure vessel, and application-specific build don’t just reduce the purchase price: It results in a more reliable autoclave that costs much less to own, operate, and maintain.

GBP £13,500 - 30,500

Biomaster Protected
Made in Britain
Energy Efficient
Water Efficient
Features Tech Sheets and Illustrations Options Specifications

Product Description

If you don’t need to sterilise flat trays of medical instruments, then you don’t need a rectangular-chamber medical steriliser-and don’t want one. On an annual basis, a cylindrical-vessel front-loading autoclave can be expected to use 1/6th to 1/10th as much water and energy as a comparable rectangular model autoclave—that’s added savings on top of the lower initial purchase price.

The advantages inherent in using a cylindrical-vessel sterilizer become especially apparent with large-volume front-loading autoclaves. By eliminating corners, the cylindrical vessel improves steam circulation, preventing cold pockets and assuring complete sterilization without excessive cycle times or chronic failed loads.  Our largest models go head-to-head with comparable conventional rectangular autoclaves, offering similar cycle times with lower maintenance burdens and substantial energy, water, and lifetime cost savings. Popular with community colleges, research facilities (small and large), universities, testing labs, and industrial operations.

Our front-loading sterilisers feature the programmable Tactrol Control System that allows for automatic steam sterilisation with precise custom cycles and one-touch simplicity. The external panels of the steam autoclave have Biomaster Protected® Antimicrobial Surfaces to help defend against cross-contamination by bacteria, mold, and mildew. The autoclave chamber and door are made of ASME-certified 316L stainless steel for increased durability and reliability.

If your lab needs to sterilise very tall flasks, fermentors, or bioreactors, Priorclave also offers vertical autoclaves that load from the top. If you’re not sure whether loading from the top or loading from the front makes more sense for your lab, contact us and one of our seasoned experts can help you figure this out. Priorclave can find the right laboratory autoclave for your team, with options ranging from small chamber volume benchtop autoclaves to larger pass-through autoclaves.

Models

  • Model: EH100-BASE
  • Model: SH100-BASE
  • Model: EH100-SMART
  • Model: SH100-SMART
  • Model: EH150-BASE
  • Model: SH150-BASE
  • Model: EH150-SMART
  • Model: SH150-SMART
  • Model: EH200-BASE
  • Model: SH200-BASE
  • Model: EH200-SMART
  • Model: SH200-SMART
  • Model: EH320-BASE
  • Model: SH320-BASE
  • Model: EH320-SMART
  • Model: SH320-SMART
  • Model: EH400-BASE
  • Model: SH400-BASE
  • Model: EH400-SMART
  • Model: SH400-SMART
  • Model: EH150STK-BASE
  • Model: SH150STK-BASE
  • Model: EH150STK-SMART
  • Model: SH150STK-SMART

Standard Features

  • Programmable TACTROL® 3 Control System with simple "one-touch" start
  • ASME-certified 316L Stainless Steel Chamber and Door
  • Quickseal Single-Action Interlocking Safety Door—cannot be opened unsafely
  • Two full width stainless steel anti-tip Loading Shelves
  • Biomaster™ Antimicrobial Surfaces
  • Assisted Load Cooling
  • Chamber Pressure Gauge
  • Caster mounted for ease of positioning and service
  • Water Conservation
  • Permission-based Door Release
  • Automatic Timed Freesteaming
  • Thermocouple Entry and Test Ports

Tech Sheets and Illustrations

Options

View a Full List of Options

USB Port

External USB Port for easy uploading and downloading for logging and remote maintenance and updates.

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Air Intake Filter System

Protects sensitive loads from contamination from the outside air drawn in as the autoclave cools.

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Auto-waterfill

Automatically re-fills the autoclave chamber while the door is open ready for the next cycle. Requires a water supply. (Fitted as standard to electrically heated vacuum models)

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Cycle Repeat

Particularly useful for product testing, this option allows the autoclave to run one cycle after the other without stopping. The total number of cycles can be set from the control panel. For electrically heated Priorclaves a water supply is required. (Not suitable for Distilled, Ultra Pure or RO water supplies.)

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Double Door Override

Manual override of Double Door Interlock for Pass-Through Priorclaves – Allows operation from either end and single ended operation

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Air Ballast System

Controls distortion of semi-rigid containers, pouches and blister-packs as the autoclave cools by pressurising the autoclave chamber with air, balancing the internal pressure inside the containers, pouches or blister packs. In autoclaves with water cooling jackets it controls volume losses when rapidly cooling liquid loads. Requires an extremal air supply at a minimum pressure of 3 BarG.

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Exhaust Filtration

On rectangular profile Priorclaves all autoclave exhaust is directed through a 0.2 micron HEPA filter mounted inside the autoclave chamber. The filter is easily accessed for regular changing.

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Accelerated Media Cooling

Accelerated Media Cooling – can reduce cooling times for liquid loads by up to 50% (Depending on load size and type volume loss may exceed 5%). Requires a minimum 5 program memory and Performance testing to set up the cycle parameter. Includes an air intake filter.

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Adaptation for special water supplies.

Electrically Heated Priorclaves require soft water with a conductivity of a minimum of 100 micro Siemens to work correctly. Various adaptations can be made to pipe work, fittings and water detection systems for Ultra pure water supplies if required.

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Additional Options Kit for Health Service Customers

Includes Tactrol Self Monitoring, Mechanical Cycle Counter and other options according to model to assist with the requirements of some health service installations.

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Air Ballasting with built-in air compressor

Controls distortion of semi-rigid containers, pouches and blister-packs as the autoclave cools by pressurising the autoclave chamber with air, balancing the internal pressure inside the containers, pouches or blister packs. Includes a quiet running air compressor mounted, where possible, inside the autoclave body.

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Condensate Collection Bottle

Where a drain is not available the autoclave exhaust is collected outside the autoclave for periodic disposal. Not suitable for vacuum models or sterilising waste / discard loads.

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Customer requested Pressure Vessel Approval

Form X Pressure Test Certification – Individually witnessed Hydrostatic Test with stamped certificate. MUST be requested at time of purchase.

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Emergency Stop Button

Allows the operator to quickly shut down all autoclave functions in case of an emergency. Fitted as standard to all Power Door Priorclaves

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F0 Integration

Reduces overall cycle time by including time spent at high temperatures during heating and cooling in each cycle. Most suitable for standard, repeated loads.

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Factory Acceptance Test

Factory Acceptance test carried out with the customer at Priorclave’s factory after manufacture and before despatch.

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Fascia Panelling in Stainless Steel for Rectangular Priorclaves

The autoclave or autoclaves are built into a separate plant room area behind stainless steel panelling.

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Graphic Recorder Ethernet Port

Allows easy connection and integration to an internal computer network for remote monitoring and storage of records.

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Heater Protection

Backup thermostatic protection for the autoclave’s low water detection system.

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Height Extensions – Benchtop Priorclaves

Extension legs fitted to the autoclave allowing easy cleaning underneath the autoclave

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Installation – UK Mainland

Autoclave installation by Priorclave trained technicians to pre-installed drains, water and electrical supplies.

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IQ/OQ/PQ Documentation

Preparation of detailed IQ/OQ Documentation for testing purposes

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Load Sensed Process Timing

Guarantees sterilising times by delaying the sterilising start time until a temperature sensor placed in the load has heated to sterilisation temperature.

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Manual Drain

A manually operated valve is fitted to allow the autoclave vessel to be drain for regular cleaning.

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Mechanical Cycle Counter

Provides a mechanical backup to the autoclave control system’s built in cycle counter.

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Mounting Stand – Benchtop Priorclaves

Mounting stand where no suitable bench is available. Includes a storage shelf below the autoclave.

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Operator Identification

PIN number identification of operators for each cycle. This information is recorded in the autoclave cycle log.

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Opposite Hand Door Opening

The autoclave is manufactured with the door hinged on the right, rather than the standard left hand side. This option can enable the autoclave to be installed in otherwise unusable spaces. Must be specified at time of ordering.

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Performance Testing

As a UKAS accredited Laboratory Priorclave can provide performance testing for your autoclave. Cycles with a specified number of loads are run and logged with multiple temperature sensors around the load and autoclave chamber. From the test results the cycle can be optimised to achieve sterilisation in the shortest possible cycle time. Following successful testing a UKAS certificate is issued.

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Pneumatic Valves

Improves reliability and operation of complex Priorclaves. The standard electrical valves are replaced with pneumatically operated valves. Requires an air supply or alternatively a small quiet air compressor can be installed inside the body of the autoclave.

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Recorder – Circular Chart

Provides a temperature record of autoclave cycles independent of the autoclave control system onto a paper chart. Unless otherwise specified a fixed temperature probe is fitted. Multi-channel versions are also available.

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Recorder – Graphic – Logger

Provides a temperature and pressure record of autoclave cycles independent of the autoclave control system. Cycle records are graphically displayed and saved to a log file. Unless otherwise specified a fixed temperature probe is fitted along with a pressure transducer. Further recording channels can be provided along with the option of an Ethernet port for connection to a computer network.

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Recorder – Strip Chart

Provides a temperature record of autoclave cycles independent of the autoclave control system onto a paper chart. Unless otherwise specified a fixed temperature probe is fitted. Multi-channel versions are also available.

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Serial Communications Package

The autoclave is fitted with an external serial communication interface socket for connection to a suitable PC or laptop. The package includes a serial cable and software.

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Setting Lock

Tamper proofing of program settings for single program Priorclaves – Included on models fitted with multi-program memory options.

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Single Phase Connection

For 100 to 200L Priorclaves where a three phase supply is not available the autoclave can be wired to run at two thirds heating power from a single phase power supply rated at 32A. Should a three phase supply become available at a later time the autoclave can quite easily be re-wired for re-connection.

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Steam / Electric Heating

For Steam Heated autoclaves this allows the autoclave to continue to be used when external steam is not available.

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Steam Supply Set

Control and other valves required to supply a Steam Heated Priorclave with dry saturated steam at the correct pressure from an external steam supply. The autoclave is not fitted with this but if there is an existing steam supply set in place this can be used to supply the autoclave’s steam.

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TACTROL Self – Monitoring System

Provides an additional level of control protection. The Tactrol system scans all input channels to detect abnormalities and will abort the cycle with a displayed, logged and printed fault code and description if one is detected.

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Touch Screen Option

Tactrol Touch Control System – Full colour Touch Screen Control System with all the usual Priorclave Tactrol control system features in touch screen format.

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Water Softener

Ion Exchange water softening system which provides water of the correct quality to run the Priorclave – requires regular refilling with salt to maintain water quality.

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Wire Basket Front Loading Models

Stainless Steel wire mesh basket for autoclaving bottles and other small items.

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Specifications

100L Front Loading Specifications
150L Front-Loading Specifications
200L Front-Loading Specifications
320L Front-Loading Specifications
400L Front-Loading Specifications
Dual 150L Front-Loading Specifications

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Trusted All Around the World

We have nine Priorclaves on our campus, and they live up to the energy and water conservation promise. The Priorclave team is always responsive—from sales to service. You can count on them to be there.
- Phil Berriman, Lab Equipment Specialist