Samson 43-1 Mounting And Operating Instructions page 19

Table 1: Technical data · All pressures in bar (gauge)
Type 2431 and Type 2432 Valves
Valve size
Pressure rating
Max. perm. differential pressure ∆p
Max. perm. valve temperature
Leakage class according to IEC 60534-4
Conformity
Type 2430 Control Thermostat
Set point range
1)
(continuously adjustable)
Capillary tube
Max. perm. temperature at the sensor
Permissible ambient temperature range
Perm. pressure at sensor
Permissible pressure at thermowell
Conformity
Further set point ranges on request
1)
At temperatures below freezing: ice formation may damage the plant and especially the valve
2)
Special version
3)
Table 2: K coefficients
VS
Type 2431 and Type 2432 Valves
Type 2431 G ½
K 3.6
VS
Type 2432
DN 15
K 4.0
VS
Special version with K
1)
Flanged valve body made of stainless steel
2)
Flanged body made of spheroidal graphite iron
3)
EB 2171 EN
G ½ to G 1 · DN 15 to 25
G ¾
5.7
1)
DN 20
2) 3) 3)
6.3
1)
0.4, 1 or 2.5
VS
Design and principle of operation
PN 25
20 bar
150 °C
Metal seal: leakage class I (≤0.05 % of K
Soft seal: leakage class IV (≤0.01 % of K
0 to 35 °C · 25 to 70 °C · 40 to 100 °C
50 to 120 °C · 70 to 150 °C
2 m · 5 m
50 K above the adjusted set point
–20 to 80 °C
PN 25
PN 40
G 1
7.2
DN 25 DN 32
2) 3)
8.0 12.5
DN 32 to 50
12 bar
coefficient)
VS
coefficient)
VS
·
3)
2)
–
DN 40
3) 3)
16.0
DN 50
3)
20.0
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