Samson 41-73 Series, Mounting And Operating Instructions

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EB 2517 EN 3-5
Design and principle of operation
Table 3-1: Technical data · All pressures in bar (gauge)
Valve Type 2417
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
coefficient)
Soft seal: leakage class IV (≤0.01 % of K
VS
coefficient)
Conformity
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 1)
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
Set point spring 1750 N 4400 N 8000 N
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
Max. permissible
temperature
Restricted by the valve
Set point spring 8000 N
1)
Set point spring 4400 N
2)
Version with actuator with two diaphragms: 1 to 2.5 bar