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KROHNE VFM 5090 EN User Manual

Page 63

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59

Diagram III

Min. flow velocity at various densities for gases & saturated steam.

0.1

1

10

0.1

1

10

100

Density kg/m3

V

el

o

ci

ty

V

m

in

m

/s

0.1

1

10

100

0.1

1

10

100

Density kg/m3

V

el

o

ci

ty

v

m

in

m

/s

A
B
C
D


Curve Meter

Size

(DIN/ANSI)

A

B
C

D

DN 10 S / 3/8 ” S
DN 10 / 3/8 ”
DN 15 / 1/2 ”
DN 20 / 3/4 ”


DN10S(3/8"S) TO DN20(3/4")

DN25(1") TO DN200(8")

Diagram IV

Tm

0

C (

0

F)

Tu

0

C (

0

F)