![]() I.M.S media retainers replace up to 14 inches (35 cm) of gravel to allow for deeper media or higher backwash driving head without requiring more vertical space. ![]() The Type XA underdrain can be specified with Leopold I.M.S® 200 or 1000 media retainers, which come factory-installed to save time at installation. In addition, the Grout-TITE® bridge prevents grout from entering the flume, so there’s no costly cleanup. Snap-on/off handles allow two workers to easily maneuver blocks into position, and the blocks snap together with a bell and spigot seal, expediting installation. Specially engineered features enable simple construction or retrofits without compromising quality, reliability, or performance. Step 3: Enter your user information into the screen below, and click the 'Sign Up' button when you are done. Step 2: If you are new to Flume, then open up the Flume App on your phone and click the 'Sign up' button (as shown below). Search for and download the 'Flume Water' App. The Type XA underdrain’s lateral lengths and compatibility with standard flume layout options provide design versatility for new installations and retrofits. Step 1: Go to the App Store (Apple or Google Play) on your phone. The key is Xylem’s patented grout pocket and wire mesh installation, which ensure that the Type XA underdrain will not lift from the filter floor, even if internal operating pressures reach 65 psi (4.5 bar). The Type XA underdrain also delivers superior uplift resistance (also known as hold-down performance) without the need for expensive mechanical anchors. (36 to 91 m/hr), enabling collapse pulse cleaning during concurrent air/water backwash. With the Type XA underdrain, the air scour rate can be adjusted from 2 to 5 scfm/ft2. Meanwhile, air flow adjustability allows for more control and saves energy and water. The innovative dual parallel lateral design and the water recovery channels, both developed by Leopold, deliver backwash water with less than +/-5% maldistribution and eliminate dead zones.Īir scour capabilities provide higher shear forces and cleaner media than water backwash alone, with less water wasted. The Type XA underdrain delivers superior backwash air and water distribution with patented interior baffles and dual water recovery channels. This allows us to adhere to international and air freight shipping. This lowers operating costs per gallon/liter of filtered water.Īll Leopold underdrains deliver the superior performance that has made the Leopold underdrain the industry leader for nearly a century. The battery pack for your Flume Water Sensor was custom-designed to maximize battery. Providing cleaner filter media means longer filter runs and higher water efficiency, more product water and less waste. In a gravity media filtration system, underdrains collect filtered water during the filter run and distribute air and water during the backwash cycle.
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