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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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.

Physically rigid design undeedrain flexing and withstands pressures up to 15 psi. Both feature a unique water recovery channel for superior air scouring and water backwash performance.

Suitable for wastewater plants, biologically active filters and more. More driving head results in longer filter runs.

Leopold — A Xylem Brand. Locate a distributor in your area. The IMS Cap eliminates the need for gravel thereby allowing for deeper media depth. The Type underdrain helps solve challenges in biologically active filtration systems, indirect and direct potable reuse applications, new drinking water applications addressing the U.

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Leopold Type XA Underdrain

The polymer matrix is corrosion-free. The underdrain is uneerdrain with all standard flume and air configurations. Company Profile Email Us. Click Here To Download: The modular underdrain blocks are easy to handle and snap together for quick installation. Suitable for drinking water plants and desalination plants.


Precision-engineered 1 mm slots support media down to microns 1.

Filterworx Performance Filter

The design includes slots and orifices around the entire underdrain to help clean the filter media from every angle during the backwash process. Reduces construction costs replacing up to 14 inches 36 cm of gravel media support allowing for the same media depth in less vertical space. Comments are moderated before being posted. Type SL underdrain features a lower profile, making it ideal for shallow filters where greater filter media depth is desired.

Self-cleaning technology removes sediment buildup in the underdrain over time. The bolt-down solution is engineered for reliability with an uplift resistance of over 15 psi. Easy handling – snaps together for quick installation.

More driving head results in longer filter run times. Durable reinforced polymer underdraij strength against harsh elements while reducing overall weight for easier transport and installation.

September 13, Stellar Management. March 06, Towering Above the Competition. 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. 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. Physically rigid design reduces flexing and withstands pressures up to 15 psi 1 bar. It includes an innovative degree backwash capability designed to boost efficiency by up to 20 percent.

Click the button below to directly contact the supplier. Reduces construction costs reducing vertical footprint by inches cm by eliminating gravel support allowing for the same media depth in less vertical space. Air stability is improved with all orifices providing uniform and continuous airflow.

EPA LT2 rules on contaminants of emerging concern, and the rehabilitation of existing media filters. Request more detailed information or literature. 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. With lateral lengths over 40 feet, it is suited for long filter runs and retrofits of existing filters. Handles for quick and easy installation, and snaps together for quick installation.


Superior air and water distribution for effective backwash giving longer filter runs and lower operating costs. Both are constructed of high-density polyethylene HDPE construction for strength and corrosion resistance. Provides even backwash distribution to deep clean filter media. Easy handling – snap together for quick installation.

The underdrain evacuates filtered water from the filter during the filter run and introduces water and air during backwashing and air scour. 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.

Type S underdrain is ideal for designs requiring longer laterals.

At WEFTEC this year, Xylem highlighted its Leopold Type underdrain — a bolt-down underdrain system for greenfield projects and rehabilitation of water treatment filtration projects. This eliminates media dead zones that can develop due to gaps in backwashing coverage. Newsletter Sign Up Join 16, of your colleagues who already get great content delivered right to their inbox. Superior air and water leopokd for effective backwash, giving longer filter runs and lower operating costs.

Can be designed for center and front flumes.