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Porta Screen(Product# GPS3)

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Totally new design for a portable motor driven testing screen. It is ideal for field control of construction aggregates, such as in temporary plant locations for black top or ready-mix operations. It is also useful with coal, ores, or other mater-materials where sample size separations are desired in the 2inch to No. 200 size range. Design is for best separation in the 2inch to No. 16 range. Five screen trays and dust pan slide independently into a vibrating assembly. The vibrating assembly is positioned within a stationary tubular outer frame and is held on hardened guide pins, top and bottom, which ride in ball bushings. Driving parts are mounted at the bottom of the machine between the sides of the tubular outer frame, and are enclosed by the outer case. The motor drives a shaft with an eccentric, on which is mounted a center connecting rod to the vibrating assembly. The counter balance system of two geared shafts with contra-rotating weights is timed to the drive shaft eccentric via a timing belt. Sample capacity of up to 40 or more pounds per test. Counter-balanced vibration for smoother, more stable operation, but still lightweight enough to be portable. Complete with 1/4 hp, 115V, 60Hz motor, timer, dust pan, and five (5) coarse series tray in sizes to be specified. 19W x 16 1/2D x 42inch H. Approx. Ship. Wt. 225 Ib.

Product Specification
Motor1/4 HP
Approx Shipping Weight225 lb