There are numerous shale shakers fabricated by different solids control equipment suppliers. The screens come with the shaker are usually different in either dimension or screen structure. In order to choose the right screens suitable to the existing shakers, a general knowledge of screen types is required.
Flat Screen VS Pyramid Screen
Flat Screen (PWP) and Pyramid Screen (PMD) are commonly used to describe Derrick Shaker  Screen. The derrick shaker can install both types of screens. The flat screen is the traditionally type and cost less while the Pyramid screen is of new screening technology that can increase the fluids handling capacity and improve screening performance. The pyramid has higher effective area than flat screen by 20% to 40%.

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Three-Dimensional Structure Shaker Screen with Good Permeability

Pyramid shaker screen also called three-dimensional shale shaker screen. It is a new type of replacement screen, which has a single-side screen compression system. This product is an innovation in the shaker screens field. Its mesh sizes are smaller and thinner than that of the steel frame shaker screen. The fine mesh sizes maximize the solids removal capabilities of the screen. It is suitable for various types of shakers, such as, linear motion shale shakers, elliptical and circular motion shale shakers.

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Compared with the hook strip flat screen and hook strip soft screen, pyramid shaker screen has more available screening non-blank areas. Test has shown that, due to the screen&#;s corrugations, the capacity of the shaker gets about a three-fold improvement, while the screen still maintains the equivalent cut-point level of the flat shaker screen. It&#;s application reduces the number of shakers. Therefore, less space and less cost are realized. Three-dimensional shaker screen is absolutely a superior replacement screen for shale shakers.

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