Samson EB 2111 Translation Of Original Instructions page 21

Table 3-2: Technical data · Valves · All pressures in bar (gauge)
Type 2111 Valve unbalanced
Type 2422 Valve · Balanced by a bellows · Balanced by a diaphragm
Valve size
Pressure rating
Without balancing
Permissible valve Balanced by a
temperature bellows
Balanced by a
diaphragm
Without balancing
Leakage class
Balanced by a
according to
bellows
IEC 60534-4
Balanced by a
diaphragm
Conformity
Table 3-3: Technical data · Control thermostats · All pressures in bar (gauge)
Types 2231 to 2235 Control
Thermostat
Set point ranges
Perm. ambient temperature at the set
point adjustment
Perm. temperature at the sensor
Type 2231 and
Perm.
Type 2232
pressure at
Type 2233, Type 2234
sensor
and Type 2235
Capillary tube length
Thermowell (DVGW version)
1)
EB 2111/2121/2123 EN
DN 15 to 50/
NPS ½ to 2
Max. 350 °C · See
pressure-temperature
diagram in u T 2010
Max. 350 °C · See pressure-temperature diagram in u T 2010
–
≤0.05 % of K coeffi-
VS
cient
Metal seal: ≤0.05 % of K
–
–10 to +90 °C, 20 to 120 °C or 50 to 150 °C
For Types 2232, 2234, 2235 also 100 to 200 °C, 150 to 250 °C
100 K above the adjusted set point
Without/with thermowell: PN 40 · With thermowell: PN 40 · PN 100
Thermowell with flange: PN 40 · PN 100
Without thermowell: PN 40 · With flange on request
5 m (10 or 15 m as special version)
Design and principle of operation
DN 65 to 100/
NPS 2½ to 4
PN 16, 25, 40
–
Max. 150 °C · See
pressure-temperature
diagram in u T 2010
–
coefficient
VS
Soft seal: ≤0.01 % of
K coefficient
VS
·
Size 150
–40 to +80 °C
DN 125 to 150/
NPS 5 to 6
–
Soft seal: ≤0.01 % of
K coefficient
VS
–
1)
1)
3-7