Samson 42-36 E Mounting And Operating Instructions page 42

Installation
Table 5-1: Inlet and outlet lengths
min.
a x DN
DN
State of process me-
dium
Gas
Liquid
Type 42-36 E installed in the flow pipe:
1 2
1 Shut-off valve
2 Strainer
3 Pressure gauge (flow pipe)
4 Flow regulator
Fig. 5-2: Installation example: Type 42-36 E installed in the flow and return flow pipe
5-4
min.
b x DN
Valve conditions
Ma ≤ 0.3
Free of cavitation/w < 3
Cavitation producing noise/w ≤ 3
8 4 9 3
+
6 5
Pressure gauge (return flow
5
pipe)
6 Shut-off valve
7 Motorized valve
Control line kit (see information under
'Control line kit' in section 5.1)
Inlet length a
2
2
/
m
s
2
m /
s
Type 42-36 E installed in the return flow pipe:
7
a Inlet length
b Outlet length
Outlet length b
4
4
4
1 2 3
+
6 9 4 5
8 Needle valve
9 Electric actuator
7
EB 3018 EN