How to Select the Finest Autoclave?

Autoclave Machines available today with Autoclave Machine Dealers originate in numerous forms and dimensions, as well as with dissimilar traits that allow disinfection of different types of article, in dissimilar bulks and paces. Autoclave purifiers are vital for nearly all kinds of infirmaries, testing laboratories, dental clinics, etc. and it is vital to select the finest autoclave that suits the requirements of your particular facility. These days autoclave sterilizers manufactured by Autoclave Machine manufacturers are available in numerous forms and dimensions, from condensed and moveable to built-in wall entities and many arrangements from straight to autoclaves that can load from the top of the front. Selecting the finest autoclave mainly depends on numerous features, containing the material one wants to sterilize, the size and amount of material one want to autoclave, and the space that is available in your facility. To help a facility select the right Autoclave Machine manufacturers in India to supply the machine, we have listed some points that will help a person make the correct selection.

Autoclave machines function chiefly through one or the other gravity or space-induced purification approaches, though these days we can find some kinds of autoclave machines that pool both approaches to disinfect. For the most frequently used kinds of purification material that may include glassware, paraphernalia, and non-porous substances, gravity dislocation vapor machines are favored, and where one is wanting to sterilize non-permeable items such as coverings and other materials, vacuity type purifiers are suggested. Autoclaves that use the gravity sterilization method are the maximum normally used kind in the market and are usually suggested for most cases.

The most important fact to be kept in mind while buying a machine from an Autoclave Machine supplier is that the machine should be big enough to fit all the material you need to sterilize in your facility. The size of the Autoclave is measured in liters, which is the total size of the insides of the cleaning chamber, but it is worth mentioning here that the actual cleaning area might be smaller than the mentioned size, as the latter hinges on the alignment of the chamber and how the stands fit within. Also to be remembered is that some substances that need to be autoclaved can have strange sizes, so one should ensure that these objects fit in the actual autoclave chamber.

The next point to take into account while selecting Autoclave Machine suppliers in India from whom one will purchase the machine is whether the machine one is considering to buy will be able to sterilize all the objects one needs to sterilize daily. To define an autoclave machine’s output, the quantity of material that can be sanitized per sequence and the time it will take for each sequence to be completed as also the time required to prepare, load, and unload the machine, needs to be decided. The finest autoclave machine would be the one whose amount of capacity matches the supreme amount that the facility would need per day and cycle. Though the time taken for each individual sterilization cycle hinges on the requirements of the material being sterilized, autoclave machines have dissimilar preparation and cooling down time frames that could augment the complete sterilizing time cycle. 

While selecting an autoclave machine or an Autoclave Machine Dealer

Autoclave Machine Dealers, Autoclave Machine manufacturers, Autoclave Machine manufacturers in India, Autoclave Machine suppliers, Autoclave Machine suppliers in India

Type of Sterilization Media

Autoclave Size

As mentioned above, one must determine with certainty the exact capacity per cycle given the autoclave’s inner configuration. Because the capacity for certain autoclave media is not readily available, make sure that you can contact the manufacturer to confirm their autoclave capacities. For Tomy SX-Series autoclave capacity information, please indicate the type of media using TOMY’s contact form, or email at [email protected] and a representative will get back to you.

For most laboratories and start-ups, the best autoclave is one that does not require a huge autoclave that takes up a large amount of space, as well as plumbing, electricity, and house steam, not to mention significant monetary and time investments for installation, and maintenance. When looking at the price of an autoclave, it is always important to remember opportunity costs such as when an autoclave requiring a large amount of technical expertise breaks down. These aspects will be covered further in this article, as they are quite significant and should be considered before making purchase decisions.

Throughput Capacity

Autoclave and Benchtop Space

1) Inside the box / outside the chamber– To start, autoclave chambers are fundamentally cylindrical due to physics, which requires equal pressure throughout the chamber (cylinders are commonly used in autoclaves, as the round edges are less prone to high-pressure breaks than the corners of box-shaped containers). Horizontal autoclaves are sideways facing cylinders enclosed by a box- with this design, the spaces around the outside of the chamber within the box are wasted.

 2) Within the chamber– In front-loading autoclaves, items must have a flat surface on which to rest, which is accommodated by using trays that slide into the chamber. With this system, the areas outside of the flat surface inside the cylindrical chambers are wasted.

 3) On the tray– Autoclave media, especially glassware tends to be round in shape, including flasks, bottles, Petri dishes, etc. When placing round objects on a rectangular area, the areas along the edges are also lost, as round objects only come in contact with the edge of a tray at one small point. The remainder is lost space.

One of the first lessons that you learn in pre-school is that the circular block does not belong in the square hole and vice versa. This lesson applies in the case of autoclaves as well, as cylindrical chambers placed horizontally in front-loading square-shaped autoclaves are wasteful and do not make sense from a utilitarian standpoint.

Basic lesson- circles and squares do not mix. This principle works the same with autoclaves. Image result for children’s circular square block toy

In summary, horizontal, front-loading autoclaves are fundamentally flawed in their design, as they take up significant bench space, and benchtop front-loading autoclaves take away space that could be used for other equipment or clear working space for research. Further, as space is lost outside of the chamber, inside of the chamber, and finally on the tray surface area, they are especially inefficient for their size, using an extremely small percentage of overall volume for autoclaving. Considering these many factors, front-loading, horizontal chamber autoclaves are a literal waste of space.

On the other hand, top-loading autoclaves are the best autoclave for effectively utilizing space, as the vertical configuration of top-loading autoclaves and stackable baskets allow for the most efficient use of the vertical cylindrical chamber. Combined with the round-shaped sides, top-loading autoclaves can accommodate large capacities of autoclave media, which also tend to have round edges. When considering an autoclave, always take into account the configuration and how this impacts capacity/throughput, as well as general laboratory space and efficiency.

Due to its top-loading design, round configuration, and use of stackable baskets, the SX-700 autoclave can accommodate up to 27 300 mL flasks in one cycle.

Installation Utilities: Water and Electricity

Access to water is an important factor, as some autoclaves require plumbing, while others can function by simply adding water to the unit. Many traditional autoclaves and those that have chamber vacuum functions tend to rely on an external water main or house steam to function. While this setup allows for a steady source of water to feed the autoclave, it is physically limiting to need a designated space and set up for an autoclave. Others, however, do not rely upon water or steam intakes and can function with water that is added to the autoclave chamber. The TOMY SX-Series Autoclave does not require any plumbing or installation and simply needs to have water added periodically in the chamber. One just needs to make sure to use the proper mix of DI (De-Ionized) water (not to be confused with distilled water), combined with a small amount of tap water, as the autoclave senses water through ion detection. More information on proper water use can be found in the following entry on autoclave maintenance.

Autoclaves also have different voltage requirements so your electricity source is another factor to consider. Some may require 220-240V (different to standard 120V outlets), which has the advantage of a faster heating time. Changing voltage requirements can usually be performed by a qualified electrician for a small fee.

A model from the TOMY SX-Series can be placed anywhere there is a power outlet, and no plumbing or installation is required. All you need to do is plug in your autoclave and add water. The chamber layout within the autoclave is also a factor to consider as vertical autoclaves have stackable baskets that are ideal for maximizing space. The TOMY SX-Series also has a top-loading design, which offers a small footprint and other innovative features that will save you valuable laboratory space as it can be placed either on the bench or your floor space.

Maintenance, Cleaning, and Technical Support

As mentioned, autoclaves require regular maintenance for safety, proper functionality, and minimal negative impact on your organization’s operation. However, if there is an issue with your autoclave’s operation, you should also ensure you have reliable and quality technical support available. Most come with a one-year warranty, though you should check your manufacturer’s paperwork to check these terms. Purchasing from a large distributor could leave you on a waiting list and could also mean you have to deal with expensive technicians, though certain manufacturers do provide quality technical support that could also be free of charge.

Autoclaves also require regular maintenance and part replacement to continue functioning properly and to extend the life of your autoclave. One major aspect that should be considered when purchasing autoclaves is the chamber lid gasket, which differs in quality, longevity (frequency of changing), and price. Because of the intense heat and pressure that gaskets are subjected to, the gasket’s design and material quality are directly correlated with the frequency at which it must be changed. Consequently, gaskets that require more frequent changes will add to the maintenance costs of your autoclave- some autoclaves require monthly gasket changes, which can hundreds per change require several thousand dollars in a matter of years.

Poor quality gaskets can cost your organization thousands of dollars in a matter of years, however, TOMY SX-Series autoclaves come with thick and sturdy, high-quality gaskets that require changing only once every 3 years, depending on the frequency of use. One would agree that an autoclave that does not require frequent part changes that are costly to maintain are best. Because the TOMY SX-Series gasket requires significantly less changing and much lower costs than those of competitors, this factor alone takes thousands of dollars off autoclaving costs and should be considered when making a purchase decision.

Thick and sturdy, high-quality gaskets for the TOMY SX-Series can save your organization thousands of dollars over several years

The ability to easily clean your autoclave should be seriously considered, as a major source of damage to autoclaves, especially autoclave heaters, which is dirty water that sits in the autoclave chamber. At high temperature and pressure, impurities that get into the water from autoclave media can stick and burn to the autoclave heater, preventing the heater from transferring heat and permanently damaging it, potentially rendering your autoclave obsolete. For TOMY SX-Series autoclaves, water in the autoclave chamber can be drained by removing the white plug and opening the drainage valve (green handle) under the machine, and draining this into a container for disposal. For biohazardous material and water disposal, especially for BSL (Bio Safety Level) 2 and above laboratories, please contact the Center for Disease Control or the relevant national authority for disposal instructions.

The TOMY SX-Series easily accessible vertical cylindrical chamber allows for easy cleaning that prevents damage and extends the life of your autoclave.

Finally, it is important to choose a reputable company for recognized quality and craftsmanship products. TOMY still has its manufacturing operations in Japan and its products are known to provide quality and long-lasting reliability. TOMY also offers worldwide technical support and parts through distributorships, which means this is a wise decision to purchase through them to ensure your peace of mind. Always check your service agreement and ensure that your autoclave meets the specific industrial standards (such as ISO standards) and guidelines for your organization’s in-house standards.

Summary (The Bottom Line)

When choosing an autoclave, it is important to assess a variety of factors to make sure that the autoclave is the best match for your organization’s needs, including the autoclave’s capacity, throughput, space requirements, installation, maintenance, quality, and overall costs over several years. One may find that pre-existing alternatives do not meet the modern and ever-changing needs of your organization, whether a public institution or a smaller start-up that demands a versatile, high quality, and reliable autoclave to keep the organization running smoothly. Always make sure to consider not only factors such as selling prices, but long-term costs associated with the capacity/throughput, performance, and reliability that affect any organization’s bottom line.

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