26
EB 2640 EN
Technical data
9 Technical data
Table 1:
Technical data · All pressures (gauge)
Type 2371-10/-11
DIN
Nominal size
DN 15
DN 20
DN 25
DN 32
DN 40
DN 50
Set point ranges
Type 2371-10
K
VS
10
–
1.5 to 6 bar
K
VS
16
3.5 to 6 bar
Type 2371-11
0.3 to 1.2 bar
∙
1 to 3 bar
∙
2.5 to 4.5 bar
∙
4 to 6 bar
Maximum pressure
10 bar
Max. perm.
temperatures
Operating temperature
range
0 to 160 °C
Sterilizing temperature
180 °C for up to 30 minutes
Leakage class
according to
IEC 60534
Metal seal
Class I (≤ 0.05 % of K
VS
coefficient)
Soft seal
Class IV (≤ 0.01 % of K
VS
coefficient)
Peak-to-valley
height and
surface finish
External
Glass bead blasted
1)
∙
R
a
≤0.6 μm, polished
Internal
R
a
≤0.8 μm, precision-lathed
1)
∙
R
a
≤0.6 μm, polished
R
a
≤0.4 μm, satin finish
∙
R
a
≤0.4 μm, mirror finish
Compliance
Type 2371-10/-11
ANSI
Nominal size
NPS
½
NPS
¾
NPS 1
NPS 1
¼
NPS 1
½
NPS 2
Set point ranges
Type 2371-10
C
V
12
–
22 to 90 psi
C
V
20
52 to 90 psi
Type 2371-11
5 to 18 psi
∙
15 to 45 psi
∙
35 to 65 psi
∙
60 to 90 psi
Maximum pressure
150 psi
Max. perm.
temperatures
Operating temperature
range
32 to 320 °F
Sterilizing temperature
356 °F for up to 30 minutes
Leakage class
according to
ANSI/FCI 70-2
Metal seal
Class I (≤0.05 % of C
V
coefficient)
Soft seal
Class IV (≤0.01 % of C
V
coefficient)
Peak-to-valley
height and
surface finish
External
Glass bead blasted
1)
∙
R
a
≤0.6 μm, polished
Internal
R
a
≤0.8 μm, precision-lathed
1)
∙
R
a
≤0.6 μm, polished
R
a
≤0.4 μm, satin finish
∙
R
a
≤0.4 μm, mirror finish
Compliance
1)
Standard version