Pentair Sand Dollar
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US $449.99
Dual Media Filter Specification
Dual Media Filterfeature automatic backwashing, which employs a combination of air and water to maintain unit efficiency. Air scouring loosens suspended solids and dirt, sand removes suspended particles and anthracite removes odor and color, etc., so as to make the water fit for different applications.
Advantages:
Automatic self backwashing.
High filtration efficiencies.
Able to operate at very high flux rates.
Custom designed packages.
We implement pilot run for such water management to examine the implementation of the project and measure its success to make sure that desired performance is received when actually implemented in a holistic way across the plant of our customers. This comprises of sand and anthracite as filtering media and polishing media respectively. Internally it is fitted with inlet distributor and a bottom collecting system.
Externally, it is fitted with frontal pipe work and isolation valves. Sand is used for removing the suspended particles and anthracite removes the odor and colour etc to make the water fit for various application. Pebbles and gravels are provided to support to both the media. This filter is to be backwashed after accumulation of suspended solids over the cycle, however, before carrying out the backwash, air scouring (optional) is also to be done for loosening of dirt and suspended solids.
Limit for the backwash in these filers is governed by differential pressure across the filter. Type of filters in vertical/horizontal configurations are:
Pressure Sand Filter
Multi-Grade Filter
Sand Pool Filters Sometimes called "high rate" sand filters, these cost a few hundred dollars. Sand filters are a bit messy to set up compared to cartridge filters. Bags of special filter sand (not sold with the filter) need to be manually poured into the filter. The filter is cleaned by "backwashing."
Turning a valve reverses the direction of water flow in the Dual Media Filter, washing out trapped dirt (the actual procedure is a bit more complicated than this). The water is drained away, not returned to the pool. Backwashing is stopped when the drained water is clear, which is after about 100 gallons. Advantage Low maintenance effort. Backwashing the filter once a week or once a month, is sufficient. Hayward recommends replacing the sand in their filters, every five years.
Disadvantages
Lowest filtration performance (size of dirt particles trapped) of the three types of filters, but is good enough for swimming pools.
Easier to install and maintain than DE filters, but more difficult than cartridge filters (see link to Pentair owner manuals, below). Large, requires a lot of sand. A typical filter will use over a hundred pounds of sand and is one to two feet wide. Water is wasted during backwashing. Zeolite can be used instead of sand. It is sold under brand names such as Zeobest and Zeobrite. Zeolite provides better filtration performance than cartridges, and approaches DE performance.
Diatomaceous Earth (DE) Pool Filters Also called diatom filters, DE filters are the finest of all the pool filters, capable of removing the smallest dirt particles. They are like sand filters in that the filter needs to be manually filled with loose DE powder. However, the DE powder is not poured directly into the filter. It is mixed in with the water in the pool skimmer, and then pumped into the filter. Only a few pounds of DE powder are needed for one filter. Advantages High filtration performance (size of dirt particles trapped).
Medium maintenance effort. Backwashing every week or month, regeneration (remixing) every month, DE powder replacement every year. Disadvantages Most complex of all the filters, for installation and maintenance. Breathing in the fine dust can be hazardous to health. A dust mask should be worn when handling dry DE powder. Water is wasted during backwashing.
About the Author
Sewage treatment plant, or domestic wastewater treatment, is the process of removing contaminants from wastewater and household sewage, both runoff (effluents) and domestic. It includes physical, chemical, and biological processes to remove physical, chemical and biological contaminants.
For More Details : www.shubhamindia.com
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Pentair Sand Dollar 19 Inch SD-40 1 HP Sand Pool Filter System -( 145148 , Pentair ) $399.99 Pentair Sand Dollar Aboveground Sand FilterOur unique, patented process creates a one-piece, non-corrosive tank with superior strength and durability. The Sand Dollar filter features a clamp style, six-position multiport valve. Special lateral design provides superior flow characteristics and long filter cycles for economical operation.FeaturesMaximum Operating Pressure 35 psiSix-position, Top-mounted Multiport ValveCombination waterand sand drain makes servicing and winterizing fast and easy Model # Flow Rate GPM Turnover Capacity (Gallons) 8 hrs Turnover Capacity (Gallons) 10 hrs Turnover Capacity (Gallons) 12 hrs Filter Area (Sq. Ft) Weight All Sand (Lbs) SD35 35 16,800 21,000 25,200 1.4 22 100 SD40 40 19,200 24,000 28,800 1.8 24 150 SD60 60 28,800 36,000 43,200 2.3 28 200 SD80 75 36,000 45,000 54,000 3.5 66 350 Tank Only 145315, 145320, 145322, 145333 Tank & Pump 145148, 145149, 145159 |
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Pentair Sand Dollar SD-35 Sand Pool Filter w/ Valve -( 145315 , Pentair ) $199.99 Pentair Sand Dollar Aboveground Sand FilterOur unique, patented process creates a one-piece, non-corrosive tank with superior strength and durability. The Sand Dollar filter features a clamp style, six-position multiport valve. Special lateral design provides superior flow characteristics and long filter cycles for economical operation.FeaturesMaximum Operating Pressure 35 psiSix-position, Top-mounted Multiport ValveCombination water and sand drain makes servicing and winterizing fast and easy Model # Flow Rate GPM Turnover Capacity (Gallons) 8 hrs Turnover Capacity (Gallons) 10 hrs Turnover Capacity (Gallons) 12 hrs Filter Area (Sq. Ft) Weight All Sand (Lbs) SD35 35 16,800 21,000 25,200 1.4 22 100 SD40 40 19,200 24,000 28,800 1.8 24 150 SD60 60 28,800 36,000 43,200 2.3 28 200 SD80 75 36,000 45,000 54,000 3.5 66 350 Tank Only 145315, 145320, 145322, 145333 Tank & Pump 145148, 145149, 145159 Top |
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Pentair SuperFlo 3/4 HP 115V Inground Pool Pump -( 340037 , Pentair ) $399.99 Pentair Super Flow PumpThe SuperFlo™ by Pentair Pool Products was specifically designed to be your best choice for a variety of inground pools types.Thick walled body parts, a heavy duty 56 square flange motor, and highly engineered hydraulics make this rugged and tested design perfect for any pool, spa, water feature, or fountain. And SuperFlo’ssilent running capability and small footprint allow it to easily drop into a compact equipment pad. SuperFlo by Pentair Pool Products is a direct replacement for the Hayward® Super Pump®. Extremely quiet operation. Unionized fittings (1.5” and 2”). Cam and Ramp™ Lid. Heavy duty, high service factor, 56 square flange motor. Integral volute and pot reduces hydraulic noise. Optimal hydraulic performance when installed with the New Sand Dollar* SD 80 Filter. 115 volt 3/4 HP to 2 HP sizes available. Self-priming. Designed to be pressure tested. UL / CUL / NSF. |
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Pentair SuperFlo 1.5 HP 115/230V Inground Pool Pump -( 340039 , Pentair ) $469.99 Pentair Super Flow PumpThe SuperFlo™ by Pentair Pool Products was specifically designed to be your best choice for a variety of inground pools types. Thick walled body parts, a heavy duty 56 square flange motor, and highly engineered hydraulics make this rugged and tested design perfect for any pool, spa, water feature, or fountain. And SuperFlo’ssilent running capability and small footprint allow it to easily drop into a compact equipment pad. SuperFlo by Pentair Pool Products is a direct replacement for the Hayward® Super Pump®. Extremely quiet operation. Unionized fittings (1.5” and 2”). Cam and Ramp™ Lid. Heavy duty, high service factor, 56 square flange motor. Integral volute and pot reduces hydraulic noise. Optimal hydraulic performance when installed with the New Sand Dollar* SD 80 Filter. 115 volt or 230 volt available. 3/4 HP to 2HP sizes available. Self-priming. Designed to be pressure tested. UL / CUL / NSF. |
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Pentair SuperFlo 2 HP 230V Inground Pump -( 340040 , Pentair ) $509.99 Pentair Super Flow PumpThe SuperFlo™ by Pentair Pool Products was specifically designed to be your best choice for a variety of inground pools types. Thick walled body parts, a heavy duty 56 square flange motor, and highly engineered hydraulics make this rugged and tested design perfect for any pool, spa, water feature, or fountain. And SuperFlo’ssilent running capability and small footprint allow it to easily drop into a compact equipment pad. SuperFlo by Pentair Pool Products is a direct replacement for the Hayward® Super Pump®. Extremely quiet operation. Unionized fittings (1.5” and 2”). Cam and Ramp™ Lid. Heavy duty, high service factor, 56 square flange motor. Integral volute and pot reduces hydraulic noise. Optimal hydraulic performance when installed with the New Sand Dollar* SD 80 Filter. 230 volt 3/4 HP to 2 HP sizes available. Self-priming. Designed to be pressure tested. UL / CUL / NSF. |
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Sand Dollar $19.99 John Kuss Sand Dollar - Photographic Print |
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Sand dollar $59.99 Paul Brent Sand dollar - Framed Art Print |
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Sterling Sand Dollar Charm $20 Sterling Sand dollar charm. |
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Sand Dollar Pattern $44.99 Sand Dollar Pattern - Giclee Print |
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