23 New Autoclave Bound to be First
Design of the latest version of the Q63 autoclaves from Priorclave has been recently upgraded to include TACTROL ZERO, an enhanced service support facility to ensure customers maximise the effectiveness of their Priorclave machines throughout their life. The proven build quality and reliability together with the new development is expected to make the Q63 Europe’s most sought after autoclave, a mid-range capacity steam steriliser with a large horizontal, double-depth cylindrical chamber. The chamber, with a taller profile than that found in most ‘cylindrical’ machines, gives the Q63 an impressive load capacity of 320 litres and makes it ideal for accepting larger items.
Although it provides for increased loading, the combination of forced air cooling reduces cycle times and automatic timed free-steaming improves air removal and sterilisation adding to the overall performance of the Q63 autoclave. Couple this with the proven TACTROL microprocessor control system and buyers are acquiring an extremely versatile autoclave with an exceptionally low cost of ownership. Now with the addition of TACTROL ZERO, users can forward operational data direct to the company’s UK Service Centre in South London for assistance in fine-tuning and clarification of performance if required.
In addition to standard ranges this UK Company also undertakes the total design and manufacture of bespoke autoclaves and it was through this special build facility it become apparent there was a need for higher capacity machines without resorting to the purchase of the more expensive extra-high capacity rectangular chamber machine.
The Q63 with its 320 litre capacity and operation parameters up to 140ºC and 2.5 bar has now become part of the Priorclave standard autoclave range. The front-loading design gives easy access to the large 630mm diameter pressure vessel, which is fitted with two non-tipping shelves. And depending on operational requirements they are available in models that can be heated either electrically or by direct steam.
Throughout the steam sterilisation process the TACTROL programming panel displays cycle status with digital readouts of temperature and time.
All models in the Q63 range are castor mounted for ease of positioning and come with a choice of optional items such as stainless steel baskets, waste containers and loading trolleys, all designed to enhance the efficiency of the operation.
Circle no. 370
ADVERTORIAL First Interacting Rotary Evaporating System
To operate a rotary evaporator, it is essential to also have a cooling device and a vacuum pump alongside the rotary evaporator. A typical system consists of a PTFE membrane vacuum pump, a vacuum controller and tap water as a cooling medium.
In some cases it is not possible to use tap water. This is due to its availability, temperature, tap water pressure or other reasons. A recirculating chiller is generally used as an alternative cooling source.
A recirculating chiller also has some disadvantages. The major disadvantages are the heat and noise emissions as well as the energy consumption. In a considerable number of cases, the necessary space required for such a unit is also a problem.
Now there is an easy way to solve all these problems. BÜCHI now offers a system where the components interact with the vacuum controller. As a result of this, the previously independent instruments, such as the vacuum pump and recirculating chiller, are now controlled by the vacuum controller. The vacuum controller on the rotary evaporator supervises the vacuum pump and the chiller so that they will run only when really needed. This means, by stopping the distillation on the vacuum controller, starting the distillation process at the vacuum controller. The integrated solvent library also recommends and sets the optimal cooling temperature on the chiller, thereby preventing a too low temperature setting that would only generate heat, noise and costs. The operator not only saves water when using such a system but also reduces the energy costs (electricity) of the recirculating chiller. BÜCHI Labortechnik AG offers a wide range of systems with different versions of the Rotavapor. Especially the chiller for the industrial Rotavapor R-220 SE is unique for its design. It combines a strong 2,5kW chiller with a movable trolley and also space to host the vacuum pump. Wherever the chiller is used, from bench top to industrial size, it offers potential cost savings and makes the distillation process more comfortable.
Find further information and how to profit price wise from such systems on
www.buchi.com. Circle no. 371
Circle no. 372
LAB ASIA - MAY/JUNE 2011 - LABORATORY PRODUCTS
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