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Gast’s Jun-Air range of high-purity, heatless desiccant air dryers for use with the company’s cabinet compressors enable water-vapour removal in a range of industrial and commercial facilities.

The devices feature a new system that combines the filter and desiccant in one easily exchanged, externally fitted cartridge, to simplify maintenance.

The iQdryer’s design incorporates new, patented technologies and modern materials to deliver pulse-free, high-quality compressed air with increased reliability, lower running costs and simplified maintenance procedures.

The dryer also meets high-purity standards and delivers air in accordance with ISO 8573:1-2001, Class 2 dirt (1um) and Class 2 water (-40C pressure dew point), and has a maximum working pressure of 12 barg (174 psig).

Features include high-tensile extruded aluminium columns containing twin-dryer chambers anodised for corrosion protection; a pressure-maintaining device that ensures desiccant bed velocities are controlled to maintain dew-point performance; and two patented filter/desiccant cartridges (one per column) containing desiccant and inlet/outlet filtration.

The chamber design also ensures that replacement filter/desiccant cartridges can only be fitted in one direction, to eliminate installation errors in the field.

‘By integrating inlet/outlet filtration into the desiccant cartridge, we have been able to eliminate three external filters and drains which, together with the design improvements, has allowed us to reduce pressure drop through the dryer by 60 per cent and reduce the power required by the compressor by 7.8 per cent,’ said Adrian Lee, managing director, Gast.

Other features that ensure optimum reliability include the collection of condensate in a ‘quiet zone’ that is then vented frequently by timed solenoid valves to eliminate the risk of float-drain malfunction; and purge-adjustment screws located after fine dust filtration to eliminate contamination and loss of performance.

An all-in-one service kit is also available with full instructions and replacement cartridges sealed in airtight foil bags to prolong shelf life.

The iQdryer is available on all Jun-Air cabinet compressors with immediate effect and will be rolled out to the company’s open compressor models – including the oil-less OF300 and OF1200 series – from September.

Since 1921, Gast Manufacturing has been designing and manufacturing quality air-moving products. Our vacuum pumps, compressors, air motors, gear motors, vacuum generators, regenerative blowers and Smart Air technology meet the many challenging applications of OEMs and end users worldwide. For industrial manufacturing, healthcare lab or environmental clean-up applications, Gast provides a full range of ideally suited and cost-effective solutions to any pneumatic problem.

In 1998, Gast was acquired by IDEX Corporation and is part of the IDEX Health Science Technologies segment. IDEX, an acronym for innovation, diversity and excellence, manufactures proprietary pump products, dispensing equipment and other engineered products for a variety of global markets.

In 2006, Gast Manufacturing acquired Jun-Air, the leading provider of quiet compressors for laboratories, dental clinics, medical, beverage, graphic and industrial applications worldwide. As a result, its customers can take advantage of the broad product portfolios of both companies to solve their application requirements from the component level through complete compressor solutions.

Since the introduction of its first compressor in 1958, Jun-Air has become a leading supplier of quiet air compressors used in laboratories, dental clinics, medical, beverage, graphic and industrial applications worldwide. Its products include a full range of standard and customised compressors and cabinets. Continuous development of products and production facilities helps maintain Jun-Air’s enviable reputation for quality and reliability among more than half a million satisfied customers.

Jun-Air products are now sold and supported in more than 100 countries through subsidiaries and distributors. As an international company, Jun-Air is concerned about the world environment. It strives to make products that offer environmental benefits such as the reduction of greenhouse gas emissions through reduced energy consumption. Over the years it has introduced a number of improvements, resulting in the most energy-efficient compressors on the market.

Gast is an international supplier with manufacturing and logistical facilities located regionally in support of global customers. It is committed to conforming to global manufacturing standards in the areas of health, safety, environmental and consumer protection.

Gast is proud of its 90-year history of leadership in the design and manufacture of high-quality air-moving products. It is even more proud of the positive impact it makes on its customers' products. Achieving a leadership position in a complex industry is not a simple task. Gast has done it by adhering to some simple principles: understanding the industry better than anyone else, making better products than anyone else and serving the customer better than anyone else.

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