LPG

Technical Details

5.525

FLEXWELL®-LPG Pipe Systems for Petrol Station

s

Fluidic

s

Pressure loss diagram for vaporized propane

Temperature:

15 °

C

Specific weight:

8 kg/m3 (3 bar)

Dynamic viscosity:

7.9 · 10–6 Ns/m2 = kg/ms

4

m

/

s

100

0

2

m

/

s

F

l

o

w

r

a

t

e

[

k

g

/

h

]

8

6

5

4

3

2

100

8

6

5

4

2

10

8

6

5

4

3

2

1

8

6

5

4

3

2

1

m

/

s

0

.

5

m

/

s

DN

5

0

DN

4

0

DN

3

2

DN

2

5

DN

2

0

0.1

2

3 4 5 6 7 8

2

3 4 5 6 7 8

2

3 4 5 6 7 8

2

3 4 5 6 7

8

0.1

1

10

100

1000 Pa/m

0.01

0.1

1

10

100 mWS/

m

0.001

0.01

0.1

1

10 mbar/m = hPa/m

Pressure loss

Example:

Pipe DN 32

Mass flow rate 30 kg/h:

at a velocity of approx. 0.9 m/s the

pressure loss is 5.6 · 10–2 mbar/m = hPa/m

19.03.2026 Subject to technical changes. Page 14