Commercial Stainless Tank Water Media Filter MF-450 with Fleck Valve

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Pure Aqua's MF-450 Series Commercial Stainless Steel Tank Automatic Media Filters clarify water by removing unpleasant tastes and odors, unwanted color, iron, sediment, suspended particles, and turbidity, all of which are commonly found in surface water. They can be used in a variety of service conditions including, but not limited to: industrial, municipal, and institutional applications.

 

Filter Media Types

Anthracite is recommended as a filter medium where additional silica in the water is not desirable and can remove lighter weight turbidity. Anthracite is typically used in applications where silica pick-up is undesireable.

Manganese Greensand media is treated siliceous material for treating water containing iron, manganese and hydrogen sulfide through oxidation.

Calcite media is specially graded calcium carbonate compound for neutralizing acid with consistent dissolving rates for water treatment.

Filter AG is non-hydrous silicon dioxide with many advantages for the reduction of suspended matter.

Activated carbon medium is used to remove taste, odor, organic contaminants, and chlorine as well as being used in many drinking water applications.

Sand is the most common filter media. Generally, fine mesh sand is coupled with a course grain support bed to remove suspended solids and turbidity. Graded in various ranges, Pure Aqua sand can be used as filtration medium or underbedding depending on particle size and application.

Gravel has a highly spherical shape that promotes good flow and even distribution in support beds.

ProSand is based on a rare natural mineral. Its unique properties radically improve the performance and cost of media filtration.

Multimedia is required when maximum quality water is required and unwanted sediment is too small to be removed by standard media. It consists of multiple layers of increasing grain size to remove sediment as small as 10 microns.

 

Advantages of Multimedia Filtration
Relatively inexpensive, no recurring cost of consumables

Proven process and most tested forms of water treatment

Systems are robust with no moving parts inside the tanks

Modular control valves designed for operational flexibility

Filtration media is inexpensive and long-lasting

Easily cleaned and maintained

Resistant to fouling (clogging)

 

Multimedia Filtration Operating Cycles

 

Service Cycle
Water flows downward through the media while solids accumulate in the media bed. The purified water passes through to downstream processes.

 

Backwash Cycle

When the filter begins to clog or when the head loss (pressure drop) through the bed increases, flow rates are reduced. To prevent degradation of water quality, the flow is reversed. This is directed by the control valve(s) to drain, carrying with it, the particulate matter that has built up during service. The required flow is specific to the media and is essential to proper cleaning of the media bed. For media filters, the backwash flow is always higher than the service flow rate.

Operation Specifications:
Operating pressure: 25-100 psi (1.73-6.9 bar) Operating temperature: 41-122°F (5-50°C)
Electrical supply: 115V/1Ph/60Hz Filters can be supplied in 240V/1Ph/50Hz

 

Model No. Flow Rate Tank Media Pipe
Minimum Continuous Peak Backwsh (D"xH") Ft3 Size
GPM M3/hr GPM M3/hr GPM M3/hr GPM M3/hr      
Multi Layer Filters:Anthracite, Sand and Gravel(Turbidity Removal)
70F1435MM-SS 10.7 2.4 16.1 3.7 21.4 4.9 16.1 3.7 14X60 3.5 1"
28F1435MM-SS 10.7 2.4 16.1 3.7 21.4 4.9 16.1 3.7 14X60 4.5 1 1/2”
70F1645MM-SS 13.9 3.2 20.9 4.8 27.8 6.3 20.9 4.8 16X60 5.5 1"
28F1645MM-SS 13.9 3.2 20.9 4.8 27.8 6.3 20.9 4.8 16X60 6.5 1 1/2”
70F1855MM-SS 17.7 4 26.6 6 35.4 8 26.6 6 18X60 5.5 1 1/2"
28F1855MM-SS 17.7 4 26.6 6 35.4 8 26.6 6 18X60 5.5 1 1/2"
70F2175MM-SS 24.1 5.5 36.2 8.2 48.2 11 36.2 8.2 21X60 7.5 1 1/2"
28F2175MM-SS 24.1 5.5 36.2 8.2 48.2 11 36.2 8.2 21X60 7.5 1 1/2"
70F24100MM-SS 31.4 7.1 47.1 10.7 62.8 14.3 47.1 10.7 24X60 10 1 1/2"
28F24100MM-SS 31.4 7.1 47.1 10.7 62.8 14.3 47.1 10.7 24X60 10 1 1/2"
31F30150MM-SS 49.1 11.2 73.7 16.7 98.2 22.3 73.7 16.7 30X60 15 2"
31F36210MM-SS 70.7 16.1 106.1 24.1 141.4 32.1 106.1 24.1 36X60 21 2"
31F42280MM-SS 100 22.7 124 28.2 150 34.1 124 28.2 42X60 28 2"
AG Filters:Non-Hydrous Silicon Dioxide (Turbidity Removal)
70F1435AG-SS 8.5 1.9 10.7 2.4 17 3.8 17 3.8 14X60 3.5 1"
28F1435AG-SS 8.5 1.9 10.7 2.4 17 3.8 17 3.8 14X60 4.5 1 1/2"
70F1645AG-SS 11.2 2.5 13.9 3.2 22.4 5 22.4 5 16x60 5.5 1"
28F1645AG-SS 11.2 2.5 13.9 3.2 22.4 5 22.4 5 16X60 6.5 1 1/2"
70F1855AG-SS 14.1 3.2 17.7 4 28.2 6.4 28.2 6.4 18x60 5.5 1 1/2"
28F1855AG-SS 14.1 3.2 17.7 4 28.2 6.4 28.2 6.4 18X60 5.5 1 1/2”
70F2175AG-SS 19.2 4.4 24.1 5.5 38.4 8.7 38.4 8.7 21x60 7.5 1 1/2"
28F2175AG-SS 19.2 4.4 24.1 5.5 38.4 8.7 38.4 8.7 21X60 7.5 1 1/2”
70F24100AG-SS 25.1 5.7 31.4 7.1 50.2 11.4 50.2 11.4 24x60 10 1 1/2"
28F24100AG-SS 25.1 5.7 31.4 7.1 50.2 11.4 50.2 11.4 24X60 10 1 1/2"
31F30150AG-SS 39.5 8.9 49.1 11.2 79 1.8 79 1.8 30X60 15 2"
31F36210AG-SS 56.5 12.8 70.7 16.1 113 25.7 113 25.7 36X60 21 2"
31F42280AG-SS 77 17.5 100 22.7 149 33.9 149 33.9 42X60 28 2"
Activated Carbon Filters:Granular Form with
High Degree of Porosity (TaSSe,Odor and Color Removal)
70F1435AC-SS 8.5 1.9 10.7 2.4 17 3.8 12.1 2.8 14X60 3.5 1"
28F1435AC-SS 8.5 1.9 10.7 2.4 17 3.8 12.1 2.8 14X60 4.5 1 1/2"
70F1645AC-SS 11.2 2.5 13.9 3.2 22.4 5 16 3.6 16X60 5.5 1"
28F1645AC-SS 11.2 2.5 13.9 3.2 22.4 5 16 3.6 16X60 6.5 1 1/2"
70F1855AC-SS 14.1 3.2 17.7 4 28.2 6.4 20.1 4.6 18X60 7.5 1 1/2"
28F1855AC-SS 14.1 3.2 17.7 4 28.2 6.4 20.1 4.6 18X60 8.5 1 1/2”
70F2175AC-SS 19.2 4.4 24.1 5.5 38.4 8.7 27.4 6.2 21X60 9.5 1 1/2"
28F2175AC-SS 19.2 4.4 24.1 5.5 38.4 8.7 27.4 6.2 21X60 10.5 1 1/2”
70F24100AC-SS 25.1 5.7 31.4 7.1 50.2 11.4 35.9 8.2 24X60 11.5 1 1/2"
28F24100AC-SS 25.1 5.7 31.4 7.1 50.2 11.4 35.9 8.2 24X60 12.5 1 1/2"
31F30150AC-SS 39.5 8.9 49.1 11.2 79 1.8 56.4 12.8 30X60 13.5 2"
31F36210AC-SS 56.5 12.8 70.7 16.1 113 25.7 80.7 18.3 36X60 14.5 2"
31F42280AC-SS 77 17.5 100 22.7 149 33.9 110 25 42X60 15.5 2"
Birm Filters: (Fe, Mn and H2S Reduction)
70F1435BM-SS 8.5 1.9 10.7 2.4 17 3.8 17 3.8 14X60 3.5 1"
28F1435BM-SS 8.5 1.9 10.7 2.4 17 3.8 17 3.8 14X60 4.5 1 1/2"
70F1645BM-SS 11.2 2.5 13.9 3.2 22.4 5 22.4 5 16X60 5.5 1"
28F1645BM-SS 11.2 2.5 13.9 3.2 22.4 5 22.4 5 16X60 6.5 1 1/2"
70F1855BM-SS 14.1 3.2 17.7 4 28.2 6.4 28.2 6.4 18X60 5.5 1 1/2"
28F1855BM-SS 14.1 3.2 17.7 4 28.2 6.4 28.2 6.4 18X60 5.5 1 1/2"
70F2175BM-SS 19.2 4.4 24.1 5.5 38.4 8.7 38.4 8.7 21X60 7.5 1 1/2"
28F2175BM-SS 19.2 4.4 24.1 5.5 38.4 8.7 38.4 8.7 21X60 7.5 1 1/2"
70F24100BM-SS 25.1 5.7 31.4 7.1 50.2 11.4 50.2 11.4 24X60 10 1 1/2"
28F24100BM-SS 25.1 5.7 31.4 7.1 50.2 11.4 50.2 11.4 24X60 10 1 1/2"
31F30150BM-SS 39.5 8.9 49.1 11.2 79 1.8 79 1.8 30X60 15 2"
31F36210BM-SS 56.5 12.8 70.7 16.1 113 25.7 113 25.7 36X60 21 2"
31F42280BM-SS 77 17.5 100 22.7 149 33.9 149 33.9 42X60 28 2"
Calcite Filters
70F1435CF-SS 8.5 1.9 10.7 2.4 17 3.8 17 3.8 14X60 3.5 1"
28F1435CF-SS 8.5 1.9 10.7 2.4 17 3.8 17 3.8 14X60 4.5 1 1/2" 
70F1645CF-SS 11.2 2.5 13.9 3.2 22.4 5 22.4 5 16X60 5.5 1"
28F1645CF-SS 11.2 2.5 13.9 3.2 22.4 5 22.4 5 16X60 6.5 1 1/2"
70F1855CF-SS 14.1 3.2 17.7 4 28.2 6.4 28.2 6.4 18X60 5.5 1 1/2"
28F1855CF-SS 14.1 3.2 17.7 4 28.2 6.4 28.2 6.4 18X60 5.5 1 1/2"
70F2175CF-SS 19.2 4.4 24.1 5.5 38.4 8.7 38.4 8.7 21X60 7.5 1 1/2"
28F2175CF-SS 19.2 4.4 24.1 5.5 38.4 8.7 38.4 8.7 21X60 7.5 1 1/2"
70F24100CF-SS 25.1 5.7 31.4 7.1 50.2 11.4 50.2 11.4 24X60 10 1 1/2"
28F24100CF-SS 25.1 5.7 31.4 7.1 50.2 11.4 50.2 11.4 24X60 10 1 1/2"
31F30150CF-SS 39.5 8.9 49.1 11.2 79 1.8 79 1.8 30X60 15 2"
31F36210CF-SS 56.5 12.8 70.7 16.1 113 25.7 113 25.7 36X60 21 2"
31F42280CF-SS 77 17.5 100 22.7 149 33.9 149 33.9 42X60 28 2"

Standard Features: Available Options:
All internals are plastic materials 240V/1Ph/50Hz power supply
High performance 304 stainless steel tank Duplex systems
Time controller for backwash cycle Tanks according to ASME code
Automatic backwash valve Inlet / Outlet pressure gauges
Flow controller to limit backwash flow Diaphragm valves
  Differential pressure switch and gauge
  316L stainless steel tanks
  Inlet / Outlet sample valves
  Auxiliary micro switch
  Epoxy coated steel or FRP tanks
  Vacuum breaker

 

The ideal applications of Media Filters include:
Swimming pool water Storm water Potable (drinking) water
Waste water Iron and manganese removal Irrigation water
Cooling water Commercial process water Suspended solids reduction
Water features (fountains, etc.)