Samson 2405 - Page 15

EB 2520 EN 15
Design and principle of operation
Dimensions and weights
Table2providesasummaryofthedimensionsandweights.Thelengthsandheightsinthe
dimensionaldrawingsareshownonpage17.
Table1: Technical data
Valve size DN15 DN20 DN25 DN32 DN40 DN50
Pressure rating (valve) PN16·PN25·PN40
K
VS
coefcients
Standard
4.0 6.3 8.0 16 20 32
Reduced K
VS
coefcients
0.016·
0.04·0.1·
0.25·0.4·
1.0·1.6·
2.5
0.016·
0.04·0.1·
0.25·0.4·
1.0·1.6·
2.5·4.0
0.016·
0.04·0.1·
0.25·0.4·
1.0·1.6·
2.5·4.0·
6.3
1.6·2.5·
4.0·6.3·
8.0
1.6·2.5·
4.0·6.3·
8.0·16
1.6·2.5·
4.0·6.3·
8.0·16·
20
Max. perm. differential pressure 10bar·12bar
1)
Max. permissible temperature
range (medium temperature)
–20to+60°C(0to+150°C)
2)
Leakageclassacc.toIEC60534-4 Soft-seated,minimumClassIV
Conformity
· ·
Set point ranges
5to15mbar
5)
·10to30mbar
5)
·25to60mbar
5)
·
50to200mbar·0.1to0.6bar·0.2to1bar·0.8to2.5bar·
2to5bar·4.5 to10bar
Max. perm.
pressure at
operating
diaphragm
1200cm² 0.5bar
640cm² 1bar
320cm² 2bar·10bar
3)
160cm² 3bar·16bar
3)
80cm² 5bar·16bar
3)
40cm²(2to5bar) 10bar·16bar
3)
40cm²
4.5to10bar
15bar·16bar
3)
Pressure
balancing
K
VS
=0.016to4 Without balancing diaphragm
K
VS
=6.3to32 With balancing diaphragm
Pressure tapping External
4)
Controllineconnection G¼
1)
Versionwithsetpointsfrom0.1to10bar
2)
For unbalanced versions with FKM diaphragm and FKM soft seal
3)
Versionwithforcelimiter
4)
Specialversionwithpressuretappingdirectlyatthevalve(seesection3.1)
5)
The set point range cannot be combined with the following K
VS
coefcients:16·20·32