Samson 2417 Series - Pipeline Routing Requirements

28 EB 2517 EN
Installation
5.2.2 Pipeline routing
The inlet and outlet lengths vary depending
ontheprocessmediumandtheowcondi-
tions in the valve. To ensure the regulator
functions properly, follow the installation in-
structions given below:
Î Observe the inlet and outlet lengths (see
Table6).ContactSAMSONifthevalve
conditions or state of the medium process
deviate.
Î Install the regulator free of stress and
with the least amount of vibrations as
possible. If necessary, attach supports to
the valve.
Î Installtheregulatorallowingsufcient
space to remove the actuator and valve
or to perform service and repair work on
them.
Table6: Inlet and outlet lengths
a x DN 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
Vapors
1)
Ma≤0.3 2 4
Liquid
Freeofcavitation/w<3
m
/
s
2 4
Cavitationproducingnoise/w≤3
m
/
s
2 4
1)
No saturated steam