Webscreening is done by free fall, meaning that no particle layer can build up on the screen deck. The particles are sized directly via the screening media, giving a higher capacity (more compact installation), but low efficiency. A screen using parallel bars or rails is commonly called grizzly. Principles Of Screening And Sizing
WebGreen screens vary in price based on the size and frame style. Models range from 10 to 400. Inexpensive: The most affordable green screens are small models made of vinyl or cheaper fabrics. They typically don't include any type of frame or stand and measure between 3 x 5 feet and 5 x 6 feet. Lowend models generally cost between 10 and 30.