Samson 42-37, Mounting And Operating Instructions

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3-8 EB 3017 EN
Design and principle of operation
Table 3-1: Technical data · Types 42-37 and 42-39 · All pressures in bar (gauge)
Type 2423 Valve · Balanced by a bellows
Valve size
DN 15 to 250
Pressure rating PN 16, 25 or 40
Pressure at which
internal excess pressure
limiter responds
(Type 42-37 only)
for 160 cm² 1.2 bar
for 320 cm² 0.6 bar
Max. permissible
temperature
Valve body See pressure-temperature diagram in
u
T 3000
Actuator
1)
With compensation chamber: liquids up to 220 °C
Without compensation chamber: 150 °C
Differential pressure or pressure set point
ranges
0.1 to 0.6 bar · 0.2 to 1 bar · 0.5 to 1.5 bar · 1 to 2.5 bar
2 to 5 bar
2)
· 4.5 to 10 bar
2)
Leakage class according to IEC 60534-4 ≤0.05 % of K
VS
coefficient
Conformity
·
Type 2423 Valve · Balanced by a diaphragm
Valve size
DN 65 to 250
Pressure rating PN 16, 25 or 40
Pressure at which
internal excess pressure
limiter responds
(Type 42-37 only)
for 160 cm² 1.2 bar
for 320 cm² 0.6 bar
for 640 cm² 0.3 bar
Max. permissible tem-
perature
Valve body 150 °C
Actuator 1) Liquids 150 °C
Differential pressure or pressure set point
ranges
0.1 to 0.6 bar · 0.2 to 1 bar · 0.5 to 1.5 bar
1 to 2.5 bar · 2 to 5 bar
2)
Leakage class according to IEC 60534-4 ≤0.05 % of K
VS
coefficient
Conformity
·
1)
Higher temperatures on request
2)
On request