Samson 2404-2, Монтаж и эксплуатация

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EB 2540 EN 3-5
Design and principle of operation
Table 3-1: Technical data for main valve · All pressures in bar (gauge)
Type 2406 as main valve, balanced by a diaphragm
Valve size
NPS 2½
DN 65
NPS 3
DN 80
NPS 4
DN 100
–
DN 125
NPS 6
DN 150
Pressure rating Class 125, 150, 300
·
PN 16, 40
C
V
coefficients
K
VS
coefficients
60
50
94
80
145
125
–
250
450
380
Actuator area 50 in² · 320 cm²
Leakage class according to ANSI/
FCI 70-2 or IEC 60534-4
Soft-seated, minimum Class IV
Permissible differential pressure Δp 175 psi · 12 bar
Perm. temperature –5 to +195 °F · –20 to +90 °C 1)
Conformity ·
Type 2422 as main valve, balanced by a diaphragm, with Type 2420 Actuator
Valve size
NPS 8
DN 200
NPS 10
DN 250
NPS 12
DN 300
NPS 16
DN 400
Pressure rating
Class 125, 150, 300 2)
·
PN 16, 40
C
V
coefficients
K
VS
coefficients
760
650
930
800
1440
1250
2400
2000
Actuator area of Type 2420 320 cm² 640 cm²
Leakage class according to ANSI/
FCI 70-2 or IEC 60534-4
Soft-seated, minimum Class IV
Permissible differential pressure Δp 145 psi · 10 bar 90 psi · 6 bar
Perm. temperature –5 to +195 °F · –20 to +90 °C 1)
Conformity
·
1)
Max. 175 °F (80 °C) for EPDM and NBR versions
2)
NPS 12 and 16: Class 150/PN 16 only