Products - Backwashing Filters

 

Industrial & Commercial
Automatic Backwashing Filters

Greensand Filters

4 - 126 gallons per minute

Effective Iron , Manganese, Hydrogen Sulfide reduction over a wide operating PH range. Automatic Greensand filters are designed and manufactured for outstanding service. All brass valve, fiberglass media tank, and are manufactured in the USA for reliable operation. Backwash, potassium permanganate, cycles are initiated by a 7-day timer with fully adjustable controls.

 

 

OPERATING REQUIREMENTS:
Pressure: 40 psi – 100 psi
Temperature: 35 ° F - 100 ° F
Electrical: 120/60, 5 amps
Turbidity: 5 NTU Max
Iron: 15 ppm Max

 

Model Number

GFV12

GFV14

GFV16

GFV21

GFV24

Greensand (cu ft)

2

3

4

7

10

Media Tank Size (inches)

12x54

14x65

16x65

21x62

24x72

Flow Rates (max gpm)

 

 

 

 

 

   Continuous

4

6

7

12

16

   Peak

8

11

14

24

32

Drain Flow Rate (max gpm)

7

10

15

20

30

Valve Pipe Size

1"

1"

1"

1 1/2 "

2"

 

 

 

Model Number

GFV30

GFV36

GFV42

GFV48

Greensand (cu ft)

15

20

30

40

Media Tank Size (inches)

30x72

36x72

42x72

48x72

Flow Rates (max gpm)

 

 

 

 

   Continuous

25

32

48

63

   Peak

49

70

96

126

Drain Flow Rate (max gpm)

40

60

80

100

Valve Pipe Size

2"

2"

2"

3"

 

NOTES:
Capacity for Iron 600 grains (10K gal. of Water containing 1ppm iron/ cuft)
Capacity for Iron and Manganese 400 grains (7K gal. Of water 1/2ppm iron, ½ ppm manganese/ cuft)
Capacity for Hydrogen Sulfide 175 grains
(3K gal. of water containing 1ppm hydrogen sulfide/ cuft)
<25 psi drop at peak flow rate
Use minimum capacity when sizing units