The Dispense Ratio of the CD dispenser is a factor of the relative diameters of its base and catalyst metering cylinders. At a 2:1 ratio for example, the area of the catalyst metering cylinder bore is one-half that of the base resin. If both pistons were of the same diameter, the ratio would be 1:1. Delivery cannot vary with wear of mechanical linkages or slippage of friction settings.
The ratio is altered by exchanging the catalyst metering assembly with an assembly of a different size - a ten minute task. A variety of ratios are standard, and ratios of up to 11:1 are available.
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Four Mechanically Actuated Ball Valves control the flow of the resin. The Coco™ synchronized flow of the base and catalyst components is further assured by a common hard linkage between the two inlet valves and the two outlet valves; one cannot open or close without the other. The valves are actuated 90° to fully open or fully close. The wide 1/2-inch passage readily passes particles likely to interfere with ball check valves. |
And Besides
COCO™ has eliminated the maze of fluid valves, actuators, control valves, and tubing normally required to route fluid components through a metering system. A single modular assembly and two short tube segments (base resin and catalyst) suffice in CD dispensers. Flow restriction is minimized, as inlets and outlets are ported directly into spacious ½-inch fluid valves. And note that air cannot be entrapped in normal operation.
High-tech zero-clearance fittings free internal tubes for removal without bending or forcing.
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A single bolt releases the valve assemblies for service. |
High-tech zero-clearance fittings free internal tubes |
Lily Corporation offers the most explicit and comprehensive Operation and Service Manual (pdf document) in the industry. Unlike others that contain only a few perfunctory remarks on safety, sketchy instructions on operation, and puzzling troubleshooting clues, CD manuals provide the information and instruction to make the operator an expert.. .not a mere trigger man. Fully illustrated with photographs and three dimensional assembly drawings, CD manuals provide a thorough understanding of how the machine does its job and what can prevent it from doing that job……in a layman's language.
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All dynamic wet seals within a CD dispenser are Teflon or UHMW —state-of-the-art materials impervious to nearly all solvents and construction chemicals. Besides assuring extraordinary life with minimal friction, they are wear-compensating, greatly extending their service life. The air cylinder seals are also Teflon. CD air cylinder sleeves are slick, space-age composites to reduce weight, wear, and friction. |
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