Samson 3374 - Page 38

5-4 EB 3018 EN
Installation
Table 5-1: Inlet and outlet lengths
Control line kit (see information under
“Control line kit” in section 5.1)
DN
min.
a x DN
min.
b x DN
a Inlet length
b Outlet length
State of process
medium
Valve conditions Inlet length a Outlet length b
Gas Ma≤0.3 2 4
Liquid
Free of cavitation/w<3
m
/
s
2 4
Cavitation producing noise/w≤3
m
/
s
2 4
Indirect connection to district heating system with Type42-36E PICV:
12
6498
35
1 Shut-off valve
2 Strainer
3 Pressure gauge (ow pipe)
4 Type42-36E PICV
5
Pressure gauge (return ow
pipe)
6 Shut-off valve
8 Needle valve
9 Electric actuator
Fig.5-2: Type42-36E (installation example)