Pit & Quarry, April 2012
EQUIPMENT FOCUS CONVEYING MATERIAL HANDLING Diaphragm pump ideal for content high in solid materials Subaru recently added the PTX301D diaphragm pump to its lines of centrifugal high pressure trash and semi trash pumps Featuring 3 in suction and discharge ports the self priming PTX301D pumps up to 250 gallons per minute at a maximum pressure of 21 psi It boasts a maximum suction lift of 25 ft and a maximum lift head of 49 ft The design completely isolates the pump mechanism from the fluid being moved making the model ideal for pumping abrasives slurries recirculated water and other content high in solid materials up to 2 in that cannot be handled by a centrifugal pump There are no moving parts so the pump can run dry indefinitely www subarupower com Sludge pumps enhance companys dewatering portfolio Xylem has added three new sludge pumps to its Flygt 2600 drainage range The pumps models 2620280 2630280 and 2640280 were designed for multi purpose applications With a range of 24 to 89 hp the pumps are capable of flows up to 450 gallons per minute and heads to 128 ft They handle solids up to 32 in and sand concentrations of about 20 percent by weight due to a larger inlet and pump volute Hard Iron vortex impeller polyurethane lined pump housing and side discharge design Another recent addition to the Flygt drainage range is the twostage Flygt pump 2660 SH Twin impellers enable the 2660 SH to pump fluid higher www xyleminc com Conveyor belt scales designed for accuracy Superior Industries offers a new conveyor belt scale designed to produce precision measurements available in two models The WB model has an accuracy rating of 10 percent 05 percent With independent weighbridge brackets it accommodates multiple belt widths and is designed for material handling up to 2000 tph With an accuracy rating of 05 percent 025 percent the HD model is built with a continuous weighbridge for increased accuracy and structural integrity It is manufactured to manage up to 2000 tph and beyond www superior ind com 18 PIT QUARRY April 2012 www pitandquarry com
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