OptiCenter: the core of the cleaning process The injectors or pumps and the hoses are automatically cleaned at color change. Emptying and cleaning the hopper is quick and easy, thanks to the integrated suction system. OC05 with AP01 OptiSpray pumps color change Clean color change, © 2015 by Gema Switzerland GmbH - All rights reserved.

OptiCenter Color Change Process ● The operator places the powder box under the powder hopper and activates the ventilation of the OptiCenter housing. ● When the operator opens the discharge valve the powder hopper is emptied directly into the original powder bag. Ventilation Valve Discharge Valve ● No need for time consuming offline cleaning operations. ● Powder can be easily stored for future use. © 2015 by Gema Switzerland GmbH - All rights reserved.

OptiCenter Color Change Process ● The operator connects the recovery hose to the cleaning port and activates the cleaning cycle. ● The recovery hose and pump are cleaned by compressed air pulses. Recovery hose © 2015 by Gema Switzerland GmbH - All rights reserved.

OptiCenter Color Change Process ● The operator activates the guns automatic cleaning cycle. ● Compressed air pulses clean the injectors or pumps, the powder hoses and the guns. OptiSpray AP01 cleaning ● The cleaning process can be repeated for extreme color changes OptiFlow Injectors cleaning © 2015 by Gema Switzerland GmbH - All rights reserved.

OptiCenter Color Change Process ● The operator activates a powerful Air air extraction from the powder Extraction hopper. Valve ● The inside of the powder hopper can be cleaned quickly and easily through the cover. ● The air extractions prevents powder from escaping to the ambient. © 2015 by Gema Switzerland GmbH - All rights reserved.

OptiCenter Color Change Process ● The operator refills the powder hopper and reconnects the recovery hose. ● The OptiCenter is now ready to operate with a new color. © 2015 by Gema Switzerland GmbH - All rights reserved.

Quick and easy color change ● Injectors or pumps, hoses, guns and the recovery hose are automatically cleaned by powerful air blasts. ● The integrated sieve is quick and easy to clean. ● The color change process can be completed by one operator in few minutes. © 2015 by Gema Switzerland GmbH - All rights reserved.

Automated and reliable color change ● With the OptiCenter several cleaning functions are automated and are not subject to human errors. ● An optimal management of the color change process is ensured by the interconnection with the rest of the powder coating system Mono Cyclone powder recovery Magic Systems booth © 2015 by Gema Switzerland GmbH - All rights reserved.

Clean process, without contamination ● The semi-automated color change process reduces the need for manual cleaning and minimizes the risk of color contamination and of powder escaping to the ambient. ● A good air extraction ensures clean working conditions in the OptiCenter during the entire color change process. ● The operator’s health is protected. His exposure to powder dust is minimized during the entire color change process. © 2015 by Gema Switzerland GmbH - All rights reserved.