Samson 2417 Series - Page 17

EB 2517 EN 17
Design and principle of operation
Table1: Technical data · All pressures in bar (gauge)
Valve Type2417
Valve size DN 15 20 25 32 40 50 65 80 100
Pressure rating PN16,25or40
Max.permissibledifferential
pressure∆p
25bar 20bar 16bar
Max.perm.
temperature
Valve See pressure-temperature diagram in uT2500
Valve plug
Metal seal: 350°C·SoftsealPTFE:220°C
EPDM or FKM soft seal: 150°C · NBR soft seal: 80°C
Leakage class according to
IEC60534-4
Metalseal:leakagerateI(≤0.05%ofK
VS
)
Softseal:leakagerateIV(≤0.01%ofK
VS
)
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
1)
2 to 5
4.5 to 10
8 to 16
Max.perm.temperature
Gases350°C,however,max.80°C at the actuator · Liquids 150°C,
with compensation chamber 350°C · Steam with compensation cham-
ber 350°C
Bellows actuator Type2413
Actuator area cm² 33 62
Set point ranges bar
10to22·20to28 2to6·5to10
1)
Versionwithactuatorwithtwodiaphragms:1to2.5bar