Samson 42-10, Монтаж и эксплуатация

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3-6 EB 3009 EN
Design and principle of operation
Table 3-1: Technical data · Valves · All pressures in bar
Type 2421 RS Valve
Valve size DN 15 to 250/NPS ½ to 10
Pressure rating PN 16, 25 and 40/Class 150 and 300
Max. constant operating pressure 25 bar/360 psi
Max. perm. pressure acting on one side 45 bar/650 psi
Leakage class according to IEC 60534-4 1) Leakage class VI
Max. permissible
temperature
With EPDM diaphragm in
actuator
80 °C/175 °F for air, gases and water
220 °C/430 °F for steam with compensation chamber
2)
With FKM diaphragm in
actuator
150 °C/300 °F for air and gases
Max. ambient temperature 50 °C/120 °F
Compliance
·
Type 2420 RS Actuator
Actuator area 320 cm²/50 in² 640 cm²/100 in²
Differential pressure
set point Δp, fixed
DN 15 to 150/NPS ½ to 6 0.2 bar/3 psi
DN 200 to 250/NPS 8 to 10 0.3 bar/5 psi
Max. permissible
temperature
With EPDM diaphragm
80 °C/175 °F for air, gases and water
220 °C/430 °F for steam with compensation chamber
2)
With FKM diaphragm 150 °C/300 °F for air and gases
1)
Terms for control valve sizing according to IEC 60534: F
L
= 0.95, X
T
= 0.75
2)
DN 15 to 150/NPS ½ to 6