May 9, 2019 posted by

Leopold has long been a worldwide leader in the water and wastewater treatment industry supplying both filtration and clarification systems. Leopold History. • In the filtration business since • Pioneer of the Dual/ Parallel Lateral Underdrain. • Benefits from own product development center/ R&D. Leopold Underdrain vs. Nozzle Floor. Page 2. Leopold Underdrain vs. Nozzle Underdrain. Dual Parallel Lateral Filter Underdrains. Nozzle Floor.

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Both feature a unique water leopopd channel for superior air scouring and water backwash performance. Precision-engineered 1 mm slots support media down to microns 1. Reduces construction costs reducing vertical footprint by inches cm by eliminating gravel support allowing for the same media depth in less vertical space.

Uniform distribution of air and water even in extra-long lengths. By washing percent of the media between laterals, the underdrain increases filter run times, reduces backwash water consumption and extends media filter life, leading to lower operating costs and energy savings. Click Here To Download: Both are constructed of high-density polyethylene HDPE construction for strength and corrosion resistance. Newsletter Sign Up Join 16, of your colleagues who already get great content delivered right to their inbox.

Suitable for drinking water plants and desalination plants.

New at WEFTEC: Xylem Launches Underdrain with 360-Degree Backwash Capability

The underdrain evacuates filtered water from the filter during the filter run and introduces water and air during backwashing and air scour. Reduces construction costs replacing up to 14 inches 36 cm of gravel media support allowing for the same media depth in less vertical space. The IMS Cap eliminates the need for gravel thereby allowing for deeper media depth.


It includes an innovative degree underrdain capability designed to boost efficiency by up to 20 percent. Get General articles, news and videos right in your inbox! Air stability is improved with all orifices providing uniform and continuous airflow. Type S underdrain is ideal for designs requiring longer laterals.

The underdrain is compatible with all standard flume and air configurations. Type SL underdrain features a lower profile, making it ideal for shallow filters where greater filter media depth is desired. Locate a distributor in your area.

Leopold Type XA Underdrain

The modular underdrain blocks are easy to handle and snap together for quick installation. At WEFTEC this year, Xylem highlighted its Leopold Type underdrain — a bolt-down umderdrain system for greenfield projects and rehabilitation of water treatment filtration projects. Physically rigid design reduces flexing and withstands pressures up to 15 psi 1 bar. Durable reinforced polymer maximizes strength against harsh elements while reducing overall weight for easier transport undeddrain installation.

The bolt-down solution is engineered for reliability with an uplift resistance of over 15 psi. Leopold Type S technology underdrain is designed to provide uniform distribution of wash water and air to clean every corner of the filter without media upset. September 13, Stellar Management. Both feature the dual parallel lateral design pioneered by Leopold, ensuring uniform distribution of water and air at each dispersion orifice opening even in extra long lengths.

Handles for quick and easy installation, and snaps together for quick installation. Leopold Underdrains Thanks to Xylem.

Easy handling – snap together for quick installation. Click the button below to directly contact the supplier.


With lateral lengths over 40 feet, it is suited for long filter runs and retrofits of existing lelpold. Comments on this site are submitted by users and are not endorsed by nor do they reflect the views or opinions of COLE Publishing, Inc. More driving head results in longer filter run times.

Superior air leoppld water distribution for effective backwash giving underdrqin filter runs and lower operating costs. EPA LT2 rules on contaminants of emerging concern, and the rehabilitation of existing media filters.

Request more detailed information or literature. Best uplift resistance – withstands uplift pressures up to 30 psi 2 bar.

Can be designed for wall-feed applications as well as center flume, front flume and Leopold Flat Bottom flume. Can be designed for center and front flumes. Suitable for wastewater plants, biologically active filters and more.

Easy handling – snaps together for quick installation. Leopold — A Xylem Brand. Provides even backwash distribution to deep clean filter media.

Filterworx Performance Filter

The polymer matrix is corrosion-free. Self-cleaning technology removes sediment buildup in the underdrain over time. The Type underdrain helps solve challenges in biologically active filtration systems, indirect and direct potable reuse applications, new drinking water applications addressing the U.

More driving head results in longer filter runs. Company Profile Email Us. Physically rigid design reduces flexing and withstands pressures up undersrain 15 psi.