positive-displacement

positive-displacement

Descriptive of equipment in which wet-mix shotcrete is delivered by being pushed through the material hose in a solid mass by a piston or auger.
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The hermetically sealed piston prevents contamination of the pipette and the positive-displacement principle supports high precision dispensing of problematic liquids, such as those with high density/high salt, high vapour pressure or high viscosity.
The C-series eccentric disc pump is an energy efficient, positive-displacement pump that can be utilized throughout a number of liquid-handling aspects of paint and coatings manufacturing, most notably the movement of resins, solvents, additives, caustics, solids and byproduct waste.
The positive-displacement pumping system design will produce 30 inches of mercury at 285 cfm.
The Patriot from Magnum Venus Products, Clearwater, Fla., is a positive-displacement pump for open and closed-mold processes that reportedly delivers [+ or -] 0.1% ratio control and [+ or -] 1% or better resin flow control.
The mixing chamber, with its positive-displacement mixing auger, guarantees homogenous mixing with no separation of materials, regardless of regrind percentages or material density.
Equipped with automated controls and load cells, these machines blend products from multiple sources and convey them to one or more destinations using a single 15-psig positive-displacement blower.
The software can also simulate the complex motion similar to a coin slowly spinning on a table, which appears in the design of nutating flowmeters and other positive-displacement devices.
Many models of Cat Pumps triplex positive-displacement pump are available with manifolds machined from solid forged billets allowing flexibility of choice of material even for small batch sizes for specialized applications.
The Micro-Meter 2 Servo is a positive-displacement, two-component meter-mix dispensing system designed to apply small precision beads and small metered shots of precisely mixed resins.
It also has a full-opening tank door with quick-lock enclosure, low-water shutoff, vacuum shutdown, 575 cfm positive-displacement vacuum blower, 100-gallon collection tank, and high-pressure water system.
The electrically driven positive-displacement skid system injects six gallons/day at 1,000 psi.
Unlike compressed air systems, which operate under the Venturi principle, the MADomizer employs a positive-displacement mechanism of action, eliminating cross-contamination.

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