Samson 42-24, Монтаж и эксплуатация, Страница: 17 / 24

EB 3003 EN 17
Appendix
10 Appendix
10.1 Technical data
Type 42-24 · 42-24 42-28 · 42-28
Nominal size DN 15 to 250 DN 15 to 100
Nominal pressure PN 16, 25 or 40
Max. permissible
temperature
Valve See pressure-temperature diagram in
u
T 3000
Actuator
1)
With compensation chamber: steam and liquids up to 350 °C 2)
Without compensation chamber: liquids up to 150 °C · Air and gases up to
80 °C
Set point ranges in bar
0.05 to 0.25 · 0.1 to 0.6 · 0.2 to 1 · 0.5 to 1.5
1 to 2.5 · 2 to 5 · 4.5 to 10 3)
0.2 · 0.3 · 0.4 or 0.5
Actuator area A 80 cm² 160 cm² 320 cm² 640 cm² 160 cm² 320 cm²
Pressure above adjusted set point at
which internal excess pressure
limiter responds
2.4 bar 1.2 bar 0.6 bar 0.3 bar 0.6 bar 0.3 bar
Max. perm. operating pressure for
actuator with two diaphragms
40 bar 40 bar 25 bar 25 bar – –
Leakage class according to
IEC 60534-4
≤0.05 % of K
VS
coefficient
1)
Higher temperatures on request
2)
Steam version only for valves balanced by a bellows
3)
DN 125 to 250: 4.5 to 10 bar on request
Terms for control valve sizing according to IEC 60534, Parts 2-1 and 2-2: F
L
= 0.95, X
T
= 0.75