Company History

In a decade of rapid change and upheaval&#;often referred to as the &#;New Frontier&#;&#;the s was also an inflection point for Gray Company as we experienced steady growth in global markets. The company acted quickly to create an infrastructure to manage worldwide growth, forming the first export department in , followed by the first international sales division with subsidiaries in Europe, Asia, South America and Canada.

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Toward the end of the s we officially changed our name to Graco Inc. and took the company public. We also went through a leadership change when David A. Koch became CEO after Harry Murphy retired in .

In the 's, various combinations of spraying systems emerged. Air-assisted airless was one that developed to fill a need that resulted from escalated material costs and newly enacted Environmental Protection Agency (EPA) regulations. Air-assisted airless, under ideal conditions, combines the best features of air spray along with the best of airless.

Air-assisted airless spray guns first partially atomize the fluid with a special fluid nozzle tip similar to a standard airless tip. Second, they complete the atomization with small amounts of compressed air from the face and/or the horns of the air nozzle that they use. The result is a finely atomized spray pattern closely resembling that of a compressed air system. Newly designed low-pressure, air-assisted airless systems are also available. Some systems restrict the atomizing air pressure to comply with various EPA guidelines; as a result, these systems can be considered HVLP air-assisted airless.

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Advantages

The primary advantage of air-assisted airless is its "soft" spray atomization. Atomization air pressures are usually low, under 20 psi, and as a result, this system provides a fine finish with most coatings approaching that of compressed-air atomization. With air-assisted airless we can see an approximate 30% improvement in transfer efficiency over compressed air. This system allows us to increase flow rates, while also spraying into recesses and cavities, without excessive bounce-back of material. This means less booth maintenance and cleanup time. We also can expect a reduction in compressed-air supply requirements. Since fluid pressures generally range from 200-800 psi, less wear on the pump and tip is to be expected.

Disadvantages

Tip clogging with .007 to .011 orifice size can occur with air-assisted airless. Tip clogging usually occurs with pigmented coatings and for easy unclogging try out our tip cleaning needles.

Contact us to discuss your requirements of mist eliminator pad for sale. Our experienced sales team can help you identify the options that best suit your needs.