Samson 42-34 Mounting And Operating Instructions page 21

Table 3-1: Technical data · All pressures in bar (gauge)
Type
Balancing
Valve size
Pressure rating
Pressure at which
internal excess pressure
limiter responds
Max. permissible
temperature
Set point ranges
Max. permissible operating pressure
Max. perm. operating pressure for
actuator with two diaphragms
Conformity
Leakage class according to
IEC 60534-4
Higher temperatures on request
1)
Table 3-2: K coefficients, x
VS
Type 2423 Valve · Balanced by a bellows
Valve size DN
Valve travel
K coefficient
VS
Max. perm. diff. pressure ∆p
x value
FZ
Type 2423 Valve · Balanced by a diaphragm
Valve size DN
Valve travel
K coefficient
VS
Max. perm. diff. pressure ∆p
x value
FZ
EB 3013 EN
Balanced by a
diaphragm
DN 65 to 250
A = 160 cm²
A = 320 cm²
A = 640 cm²
Valve 150 °C
Actuator
1)
values and max. permissible differential pressures ∆p
FZ
15 20 25
10 mm
4.0 6.3 8.0
25 bar
0.65 0.6 0.55
65 80
15 mm
50 80
10 bar
0.4
Design and principle of operation
42-34
Balanced by a bellows
DN 15 to 250
PN 16, 25, 40
1.2 bar
0.6 bar
0.3 bar
See pressure-temperature diagram in u T 3000
Liquids up to 150 °C
0.1 to 0.6 bar · 0.2 to 1 bar
0.5 to 1.5 bar · 1 to 2.5 bar
40 bar for 160 to 320 cm² · 40 and 16 bar for 640 cm²
40 bar for 160 cm²
25 bar for 320 and 640 cm²
≤0.05 % of K
32 40 50 65
16 20 32 50
20 bar
0.45 0.4
100 125
125 250
0.35
Balanced by a bellows
DN 15 to 100
0.6 bar
0.3 bar
0.2 to 0.5 bar (in
0.1 bar increments)
·
coefficient
VS
80 100 125 150
16 mm 22 mm
80 125 190 280
16 bar 12 bar
0.35
150 200
35 mm
390 650
12 bar
42-38
–
–
200 250
420 500
10 bar
0.3
250
800
10 bar
0.3
3-7