2000 Hook-up Book

Steam Pipe Sizing For Pressure Drop

Figure 2: Pressure Drop in Schedule 40 Pipe

100 psig Saturated Steam For other pressures use correction factors

SYSTEM DESIGN

psi 0 2 5 10 15 20 30 40 60 75 90 100 110 125 150 175 200 225 250 300 factor 6.9 6.0 5.2 4.3 3.6 3.1 2.4 2.0 1.5 1.3 1.1 1.0 0.92 0.83 0.70 0.62 0.55 0.49 0.45 0.38

350 400 500 600 0.33 0.29 0.23 0.19

1"

1-1/4" 1-1/2"

2" 2-1/2"

3"

4"

5"

8"

20" 10" 12" 14" 16" 18"

3/4"

6"

15.0

24"

3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

2.0

.3 .4 .5 .6 .7 .8 .9 1.0

Pressure Drop psi/100 ft

.2

.1

100

300 200 400 500

1,000 2 3 4 5 10,000

2 3 4 5 6 7 8 100,000 2 3 4 5 1,000,000 2

Steam Flow lbs/hr

Figure 3: Pressure Drop in Schedule 80 Pipe

100 psig Saturated Steam For other pressures use correction factors

psi 0 2 5 10 15 20 30 40 60 75 90 100 110 125 150 175 200 225 250 300 factor 6.9 6.0 5.2 4.3 3.6 3.1 2.4 2.0 1.5 1.3 1.1 1.0 0.92 0.83 0.70 0.62 0.55 0.49 0.45 0.38

350 400 500 600 0.33 0.29 0.23 0.19

1"

1-1/4" 1-1/2"

2" 2-1/2"

3"

4"

5"

8"

20" 10" 12" 14" 16" 18" 24"

3/4"

6"

15.0

3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

2.0

.3 .4 .5 .6 .7 .8 .9 1.0

Pressure Drop psi/100 ft

.2

.1

100

200

300

400 500 1,000

2 3 4 5

10,000

2 3 4 5 6 7 8100,000 2 3 4 5 1,000,000 2

6

Steam Flow lbs/hr

5