STATIC PRESSURE DATA • MQL

Filter Pressure Drops

AIR PRESSURE DROP THROUGH FILTER SECTION (IN. W.G.)

Filter

Size &

 

 

 

 

 

Air Velocity (FPM)

 

 

 

 

 

Type

Efficiency

200

250

300

350

400

450

500

550

600

650

700

750

800

High

2" @ 30%

0.12

0.15

0.18

0.21

0.24

0.27

0.30

0.33

0.36

0.39

0.42

0.45

0.48

4" @ 65%

0.18

0.23

0.27

0.32

0.36

0.41

0.45

0.50

0.54

0.59

0.63

0.68

0.72

Efficiency

4" @ 85%

0.26

0.33

0.39

0.46

0.52

0.59

0.65

0.72

0.78

0.85

0.91

0.98

1.04

Pleated

 

4" @ 95%

0.30

0.38

0.45

0.53

0.60

0.68

0.75

0.83

0.90

0.98

1.05

1.13

1.20

Notes:

1.Figures listed represent air pressure drop of clean filters.

2.Usable pressure drop across pleated media not recommended to exceed 1.0 inch w.g.

3.Air velocities associated with pressure drops in the shaded region not recommended.

Coil Pressure Drops

AIR PRESSURE DROP THROUGH DRY COIL SECTION (IN. W.G.)

Rows

Fins per Inch

 

 

 

 

 

Air Velocity (FPM)

 

 

 

 

 

200

250

300

350

400

450

500

550

600

650

700

750

800

 

 

 

8

0.01

0.02

0.03

0.04

0.05

0.05

0.06

0.08

0.09

0.10

0.11

0.13

0.14

1

10

0.02

0.03

0.03

0.04

0.05

0.06

0.07

0.09

0.10

0.11

0.13

0.15

0.16

12

0.02

0.03

0.04

0.05

0.06

0.07

0.09

0.10

0.11

0.13

0.15

0.16

0.18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

0.02

0.03

0.04

0.05

0.07

0.08

0.10

0.11

0.13

0.14

0.16

0.18

0.20

 

8

0.03

0.04

0.06

0.07

0.09

0.11

0.13

0.15

0.17

0.20

0.23

0.25

0.28

2

10

0.04

0.05

0.07

0.09

0.11

0.13

0.15

0.17

0.20

0.23

0.26

0.29

0.32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

0.04

0.06

0.08

0.10

0.12

0.14

0.17

0.20

0.23

0.26

0.29

0.33

0.36

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

0.05

0.07

0.09

0.11

0.13

0.16

0.19

0.22

0.25

0.29

0.33

0.36

0.40

 

8

0.04

0.06

0.09

0.11

0.14

0.16

0.19

0.23

0.26

0.30

0.34

0.38

0.42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

10

0.05

0.08

0.10

0.13

0.16

0.19

0.22

0.26

0.30

0.34

0.39

0.44

0.48

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

0.06

0.09

0.12

0.15

0.18

0.22

0.26

0.30

0.34

0.39

0.44

0.49

0.55

 

 

14

0.07

0.10

0.13

0.16

0.20

0.24

0.29

0.33

0.38

0.43

0.49

0.55

0.61

 

8

0.06

0.09

0.11

0.15

0.18

0.22

0.26

0.30

0.35

0.40

0.45

0.51

0.57

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

10

0.07

0.10

0.13

0.17

0.21

0.25

0.30

0.35

0.40

0.46

0.52

0.58

0.65

12

0.08

0.12

0.15

0.19

0.24

0.29

0.34

0.40

0.46

0.52

0.58

0.65

0.73

 

 

14

0.09

0.13

0.17

0.22

0.27

0.32

0.38

0.44

0.51

0.58

0.65

0.73

0.81

 

8

0.09

0.13

0.17

0.22

0.27

0.33

0.39

0.45

0.52

0.60

0.68

0.76

0.85

6

10

0.11

0.15

0.20

0.26

0.32

0.38

0.45

0.52

0.60

0.69

0.78

0.87

0.97

12

0.12

0.17

0.23

0.29

0.36

0.43

0.51

0.59

0.68

0.78

0.88

0.98

1.09

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

0.14

0.20

0.26

0.33

0.40

0.48

0.57

0.66

0.76

0.87

0.98

1.09

1.21

 

8

0.12

0.17

0.23

0.29

0.36

0.44

0.52

0.61

0.70

0.80

0.90

1.01

1.13

8

10

0.14

0.20

0.27

0.34

0.42

0.51

0.60

0.70

0.80

0.92

1.04

1.16

1.29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

0.16

0.23

0.31

0.39

0.48

0.58

0.68

0.79

0.91

1.04

1.17

1.31

1.45

 

 

14

0.19

0.26

0.35

0.44

0.54

0.65

0.76

0.89

1.02

1.15

1.30

1.46

1.62

Note: Dehumidifying cooling coils with face velocities exceeding 525 fpm not recommended.

ENVIRO-TEC

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Enviro 170S5FG manual Filter Pressure Drops, Coil Pressure Drops, Static Pressure Data MQL

170S5FG specifications

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