Improved Underdrain Performance for Superior ResultsBecause the upward flow of air through an underdrain creates low-pressure zones in the underdrain, some orifices can become starved for flow or even reverse flow. Leopold has designed a water recovery channel into its Type S™ Technology Underdrain to help ensure uniform and continuous airflow from all of the top deck orifices. The water recovery channel is designed to allow water to re-enter the underdrain to equalize the low-pressure areas. This dramatically improves the performance of the underdrain and provides superior results, particularly with the dual lateral design. The results of Type S technology are real:. Broader airflow range, now 1 to 5 scfm/sf.
Improved air stability under all operating conditions with all orifices providing uniform and continuous airflow. Lower water maldistribution — less than 5 percent (total)There’s a Leopold Type S Technology Underdrain available for every filter design, making it the only truly “universal” underdrain.Leopold Type S Technology Underdrain features a unique water recovery channel for superior air scouring and water backwash performance. Cleans the media betterAll Leopold Type S Technology Underdrains feature closely spaced, non-clogging orifices for uniform distribution of air and/or water backwash. This does more than promote trouble-free operation. It cleans the media better.With other underdrain designs whose orifices are more widely spaced, dead zones can occur.
This means the air does not reach and scour the media. The closely spaced orifices of Leopold Type S Technology Underdrain prevent the formation of dead spaces.
As a result, all the media is exposed to the cleaning action of the air with Type S Technology Underdrain. Cost-saving installation and operationMore forgiving installation tolerances means simpler installation. This means lower filter construction costs. Improved filter performance means cleaner water and longer runs between backwashing. And this means lower operating costs per gallon of water filtered.Installation is easier with Type S Technology Underdrain because blocks can be set to level ±1/4 inch (left).
Assembly of laterals is easier because the blocks simply snap together to form leak-resistant, distributionefficient laterals (right).The dual lateral design pioneered by Leopold ensures uniform distribution of both water and air at each dispersion orifice opening even in extra long lengths — up to 100 feet in a center flume filter installation. Because more water and air flow through the openings in a lateral that are farthest from the source, discharge variances exist along the length of the primary feeder laterals. Any unbalanced flow from the feeder laterals creates an opposing flow, forming a directly compensating lateral into a uniform pressure condition throughout its length. There’s a Leopold® Type S™ technology underdrain for every filter designLeopold® Universal® Type S™ Underdrain is ideal for installations requiring longer laterals.
Leopold Universal Type SL™ Underdrain features a lower profile (it’s 4 inches lower) making it ideal for shallow filters where greater filter media depth is desired. Both feature Type S Technology developed by Leopold for superior air scouring and water backwash performance. With Type S Technology available for every filter design, only Leopold offers a truly “universal” underdrain.Filter Applications for Leopold Universal Type S Technology Underdrain. Turbidity (Solids) Removal.
Leopold Clarifier
Lime Softening. Iron/Manganese Removal. Wastewater Treatment Solids Removal. Denitrification. Any Water or Wastewater Treatment Process. Leopold® IMS® Cap Eliminates the Need for Support GravelThe Leopold Universal Type S and Type SL Underdrain can be specified with Leopold IMS (integral media support) cap factory-installed on the top of the underdrain block.Another filter technology innovation pioneered by Leopold, the IMS cap was developed by Leopold as a replacement for support gravel in filters equipped with Leopold dual lateral underdrain.
By eliminating the support gravel, the overall depth of the filter can be reduced which could also allow for deeper media in existing filters. In addition, Leopold IMS cap allows for easy removal and change of media such as activated carbon. Put the Leopold filter system advantage to work for youLeopold has assembled an array of technologies giving us the capability of engineering and delivering a complete filter system for virtually any filter design, virtually any performance requirements.
Leopold Type S Technology Underdrain is just one of those technologies. When Leopold supplies Type S Technology Underdrain as part of a complete Leopold filter package, we can assure guaranteed filter performance and process results.Pace-setting filter technologies. More than 75 years of filter process knowledge, experience, and expertise. Unparalleled support.
All for assured guaranteed filter performance and process results. This is the Leopold filter system advantage.The Benefits of Leopold IMS Cap. Eliminates support gravel. Light weight.
Easy change to deeper media or carbon. Proven flow distribution. Removable for inspection. Compatible with water treatment chemicals.
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. Leopold Underdrain vs. Nozzle Underdrain. Dual Parallel Lateral Filter Underdrains.
Nozzle Floor.Author:Goltirr FegalCountry:PortugalLanguage:English (Spanish)Genre:ArtPublished (Last):11 September 2018Pages:25PDF File Size:4.93 MbePub File Size:13.59 MbISBN:923-4-70946-314-2Downloads:58301Price:Free.Free Regsitration RequiredUploader:Comments are moderated before being posted. Get General articles, news and videos right in your inbox!With lateral lengths over 40 feet, it is suited for long filter runs and retrofits of existing filters. 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 leopolc energy savings. The modular underdrain blocks are easy to handle and snap together for quick installation.Durable reinforced polymer maximizes strength against harsh elements while reducing overall weight for easier transport and installation.The polymer matrix is corrosion-free.
Request more detailed information or literature. Superior air and water distribution for effective backwash, giving longer filter runs and lower operating costs.
The IMS Cap eliminates the need for gravel thereby allowing for deeper media depth. Type S underdrain is ideal for designs requiring longer laterals. Precision-engineered 1 mm slots support media down to microns 1.
Provides even backwash distribution to deep clean filter media.September 13, Stellar Management. Both feature a unique water recovery channel for superior air scouring and water backwash performance.
The design includes slots and orifices around the entire underdrain to help clean the filter media from every leoplld during the backwash process. EPA LT2 rules on contaminants of emerging concern, and the rehabilitation of existing media filters. Leopold Universal Type S® Underdrain by XylemCompany Profile Email Us. Physically rigid design reduces flexing and withstands pressures up to 15 psi 1 bar.
The underdrain evacuates filtered water from the filter during the filter run and introduces water and air during backwashing and air scour. Superior air and water distribution for effective backwash giving longer filter runs and lower operating costs. The Type underdrain helps solve challenges in biologically active filtration systems, indirect and direct potable reuse applications, new drinking water applications addressing the U.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 underdrain is compatible with all standard flume and air configurations. Easy handling – snaps together for quick installation. More driving head results in longer filter run times.
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. Leopold: Products – Media FiltrationAir stability is improved with all orifices providing uniform and continuous airflow. Handles for quick and easy installation, and snaps together for quick installation. 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.Click Here To Download: Self-cleaning technology removes sediment buildup in the underdrain over time.
Leopold Underdrain Installation Cost
Suitable for drinking water plants and loepold plants. Type SL underdrain features a lower profile, making it ideal for shallow filters where greater filter media depth is desired.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. Can be designed for wall-feed applications as well as center flume, front flume and Leopold Flat Bottom flume. This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are as essential for the working of basic functionalities of the website.
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