EF200W-C
27
The pressure loss for flow conditioners is calculated as follows: Δ p [mbar] = 0.0085 ρ [kg/m
3
] v
2
[m/s]
Example for steam
Example for2 H
2
O condensate (80 °C)
p = 10 bar abs.
ρ = 965 kg/m
3
t = 240 °C → ρ = 4.39 kg/m
3
v = 2.5 m/s
v = 40 m/s
侏 p = 0.0085 965 2.5
2
= 51.3 mbar
侏 p = 0.0085 4.394.39 40
2
= 59.7 mbar
ρ : density of the process medium
v: average flow velocity
abs. = absolute
A specially designed flow conditioner is available from TLV. → See page 37
Minimum inlet and outlet runs with various flow obstructions
1
3
4
2
5
6
7
5 × DN
8
Flow conditioner
9
h
Flow conditioner
Flow conditioner
Flow conditioner
Flow conditioner
Flow conditioner
Flow conditioner
Flow conditioner
5 × DN 8 × DN
5 × DN
2 × DN 8 × DN
5 × DN
5 × DN 8 × DN
5 × DN
5 × DN 8 × DN
5 × DN
2 × DN 8 × DN
5 × DN
2 × DN 8 × DN
5 × DN
5 × DN 8 × DN
5 × DN
8 × DN
2 × DN + 5 × h
5 × DN
5 × DN 8 × DN
Flow conditioner
1
Concentric reducer
2
Eccentric reducer
3
Single elbow (90°elbow)
4
Double elbow (2 × 90°elbows, on one plane)
5
Double elbow 3D (2 × 90° elbows, not on one plane)
6
T-piece
7
Expansion
8
Control valve
9
Combination pipe (Double elbow 3D (2 × 90° elbows, opposite, not on one lane) + reducer, etc.)