Hayward Pro Series Top-Mount Sand Filter with Multiport-Valve - 130 GPM, 4.91 Sq. Ft.
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Providing you with quality you can trust, the Pro Series high-rate Sand Filters incorporate the latest pool filter technology to ensure your pool is operating at its very best. Molded of durable, corrosion-proof reinforced thermoplastic, they feature attractive, unitized tank construction for years of trouble-free operation with only minimal care. Pro Series sets a new standard for performance, value and dependability.
How A Sand Filter Works
Sand is the oldest and most popular method of filtration. Sand filters share two things in common, when in the filtration mode, water always flows from the top to the bottom and they all have some sort of lateral or underdrain with slots to hold back sand while allowing clean, filtered water to pass through. High-rate sand filters use a special filter sand, normally .45 to .55mm (also known as pool grade #20 silica sand), because it has sharp edges that separate particles, allowing filtration to take place. They operate on the basis of "depth" filtration where dirt is driven through the sand bed and trapped in the spaces between the sand particles. Initially, a clean sand bed removes larger particles, and then, as the bed starts to load up with debris, the filter removes finer particles. The sand can be cleaned by backwashing which involves reversing water flow through the filter to the "waste" line. Sand Filters trap debris as small as 20 to 40 microns.
• 500 Pounds of Sand REQUIRED
• APPLICATIONS: In Ground Pools of all types and sizes, In Ground Spas (residential or commercial), Water features (fish ponds, fountains, water gardens)
• Flange Clamp design allows 360 degree rotation of Valve to simplify plumbing
• Integral top diffuser ensures even distribution of Water over the top of the Sand Media Bed
• Full-size internal Piping provides smooth, free-flowing performance
• Unitized, corrosion-proof Filter Tank molded of rugged, colorfast reinforced Thermoplastic for dependable, all-weather performance
• Integral sight Glass lets you see when Backwash Cycle is completed
• Large pressure Sand/Water Drain for rapid winterizing or servicing
• Precision engineered Umbrella-fold self cleaning laterals for balanced flow and backwashing, plus easy serviceability
• Control Valve: 2" Vari-Flo
• Sand Required: 500 lbs.
• Performance Data
• Effective Filtration Area: 4.91 ft.2
• Design Flow Rate: 98 GPM (Based on 20 GPM/ft.2, Max. allowable NSF rating)
• Turnover Capacity (In Gallons): 8 Hours: 47,040 / 10 Hours: 58,800
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