Gilson testing screens are ideal for particle size determinations on large samples of aggregate, 渣, 矿石, and many other coarse materials. Batch sizes up to one cubic foot (0.028m³) or more can be processed into six fractions in as little as three to five minutes, 视材质而定. Vibration and amplitude characteristics are fixed at optimum settings for mineral aggregates in the 4" (101mm) to No.4 (4.75mm)尺寸范围, but options and accessories are available to optimize machine performance when testing finer samples or special materials. The standard testing screen can be used to process material all the way down to No.200 (75µm) if less efficient separations are acceptable.
These testing screens are available in two variations of clamping mechanism: a manually-operated, 螺杆式夹紧手柄, 哪个更经济, but slightly more labor-intensive for continuous use; and, a quick-acting hydraulic pump system used to clamp the screen trays in place. Trays are quickly secured and released using the same single handle. This more efficient model is recommended for labs with a steady workload of particle size testing.
Both models use an enclosed drive mechanism for added safety. The powerful 1/2hp capacitor-type motor is operated through a starting switch with built-in overload protection. Gilson testing screens are designed to be mounted to a solid, rigid floor system. Securing with anchor bolts to a concrete floor is recommended. Dimensions for anchor bolt placement are available upon request. Overall Dimensions: 23" x 31" x 43" (584 x 787 x 1,092mm), W x D x H.
Gilson testing screens are sold without screen trays or dust pans, which need to be purchased separately for operation. 订购时指定尺寸. 在这两个模型中, the dust pan may optionally be placed on the bottom shelf of the unit, freeing up an additional slot for a screen tray.
Screen Trays for the Testing Screens feature a generous 14.75" x 22.75“(375 x 578毫米)，2.33英尺³(0.22m³)净屏面积. Optional dustpan configurations can be ordered for increased capacity, 减少粉尘输出, or dispensing of fines directly into outside bag or container. Other accessories to facilitate sample handling, dust and noise control and separation performance are listed separately.
These models feature 6-tray slots and a bottom shelf, which allows for up to 6 trays and a dust pan to be used. Order screen trays and dust pans separately.
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