Samson 41-23 - Page 21

EB 2512 EN 3-5
Design and principle of operation
Table3-1: Technical data · All pressures in bar (gauge)
Valve Type2412
Valvesize DN15to50 DN65to80 DN100
Pressure rating PN16,25or40
Max.permissibledifferential
pressure∆p
25bar 20bar 16bar
Max.
permissible
temperature
Valve uT2500∙Pressure-temperaturediagram
Valve plug
Metal seal: 350°C·PTFEsoftseal:220°C
EPDM or FKM soft seal: 150°C·NBRsoftseal:80°C
Leakage class according to
IEC60534-4
Metalseal:leakageclassI(≤0.05%ofK
VS
coefcient)
Softseal:leakageclassIV(≤0.01%ofK
VS
coefcient)
Compliance
Diaphragm actuator Type2413
Actuator area cm² 640 320 160 80 40
Set point ranges bar
0.05 to 0.25
0.1 to 0.6
0.2 to 1.2 0.8 to 2.5
2)
2 to 5
4.5 to 10
8 to 16
Max.permissible
temperature
Gases350°C,however,max.80°Cattheactuator·Liquids150°C,
with compensation chamber 350°C·Steamwithcompensation
chamber 350°C
Bellowsactuator Type2413
Actuator area cm² 33 62
Set point ranges bar 10to22·20to28 2 to 6
1)
·5to10bar
Set point spring 8000N
1)
Setpointspring4400N
2)
Versionwithactuatorwithtwodiaphragms:1to2.5bar
Noise emission
SAMSON is unable to make general state-
ments about noise emission as it depends on
the regulator version, plant facilities, process
medium and operating conditions.
Dimensionsandweights
Table3-5providesasummaryofthedimen-
sions and weights. The lengths and heights
in the dimension diagrams are shown on
page3-10.