Viega Profipress S, Инструкция по эксплуатации

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The following are effective:
n
Fixed and gliding points
n
Expansion equalisation joints (expansion bends)
n
Compensators
Heat expansion co-efficient of copper
Material Heat expansion co-effi‐
cient
⍺
[
mm
/
mK
]
Example:
Length expansion with
pipe lengths = 20 m
and
Δ
T = 50 K
[mm]
Copper 0.0166 16.6
Fig. 2: Length expansion of copper pipes
1 - Length expansion
⃗Δ
I
[
mm
]
2 - Pipe length
⃗
l
0
[
m
]
3 - Temperature difference
⃗Δϑ [
K
]
The length expansion
Δ
l can be taken from the diagram or can be cal‐
culated using the following formula:
Δ
l
= ⍺ [
mm
/
mK
] ×
L
[
m
] x Δϑ [
K
]
Product information
Profipress S 10 from 24