Samson 44-0 B Mounting And Operating Instructions page 29

Table 5-1: Inlet and outlet lengths
a x DN
State of process
medium
Gas
Vapors
1)
Liquid
No wet steam
1)
EB 2626-1 EN
min. min.
b x DN
DN
Valve conditions
Ma ≤ 0.3
Ma ≤ 0.3
Free of cavitation/w < 3
Cavitation producing noise/w ≤ 3
Inlet length a
m /
s
/
m
s
Installation
a Inlet length
b Outlet length
Outlet length b
2 4
2 4
2 4
2 4
5-3