E

N

G

I

N

E

E

R

I

N

G

D

A

T

A

610

UNITS OF PRESSURE

UNIT

INCHES OF WATER

FEET OF WATER

POUNDS PER

SQUARE INCH

INCHES OF

MERCURY

INCHES OF WATER

POUNDS PER

SQUARE INCH

ENGINEERING DATA

UNITS OF MEASURE

1.0

.0833

.0361

27.72

2.31

1.0

.0736

2.04

FEET OF WATER

12.0

1.0

.433

.883

INCHES OF MERCURY

13.596

1.133

.4906

1.0

PRESSURE AND EQUIVALENT FEET HEAD OF WATER

H =

225

275

325

375

500

pressure (psi) x

144

62.4

519.23

634.62

750.00

865.38

1153.85

Lbs. per

Sq. In.

Feet Head

Lbs. per

Sq. In.

Feet Head

Lbs. per

Sq. In.

Feet Head

Lbs. per

Sq. In.

Feet Head

1

3

5

7

9

15

2.31

20

6.93

30

11.54

50

16.16

70

20.78

90

34.63

110

46.18

120

69.27

130

115.38

150

161.53

170

207.69

190

253.85

276.42

300.00

346.15

392.31

438.46

2

4.62

25

57.72

125

288.46

250

576.92

4

9.24

40

92.36

140

323.08

300

692.31

6

13.85

60

138.46

160

369.23

350

807.69

8

18.47

80

184.62

180

415.38

400

923.08

10

23.09

100

230.77

200

461.54

1000

2307.69