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Design and principle of operation
Table 3-1: Technical data · All pressures in bar (gauge)
Type 2433 Three-way Valve
Connection
Connection size
Valve size
Medium
K
coefficient
VS
Pressure rating
Max. perm. differential pressure Δp in bar
Δp when p in B > p in A
Mixing valve
Δp when p in A > p in B
Diverting valve Δp when AB to A or B
Max. permissible valve temperature
Type 2430 Control Thermostat
Set point range (continuously adjustable)
Capillary tube
Max. perm. excess temperature at sensor
Max. permissible ambient temperature
Permissible pressure at sensor/thermowell
Max. perm. temperature range of medium
Table 3-2: Materials · Material numbers according to DIN EN
Type 2433 Three-way Valve
Body, seat
Plug
Valve spring
Type 2430 Control Thermostat
Set point adjuster
Capillary tube
Temperature
sensor
Thermowell
3-6
Female thread
G
½
DN
4
4.4
4.4
4.4
0 to 35 °C, 25 to 70 °C, 40 to 100 °C, 50 to 120 °C or
0 to +150 °C (with separating piece: –15 to +150 °C)
Brass, resistant to dezincification, CW617N (CuZn40) with EPDM soft seal
Copper or stainless steel 1.4310
¾
1
–
15
20
Water
6.3
8
4
6.3
PN 25
2.6
1.8
4.4
2.6
2.6
1.8
4.4
2.6
2.6
1.8
4.4
2.6
150 °C
70 to 150 °C
2 m (5 m as special version)
50 °C above the adjusted set point
80 °C
PN 25/PN 40
Red brass (RG5) CC499K
Stainless steel 1.4310
PTFE, glass fiber reinforced
Copper
Male thread
–
25
32
40
8
10
12.5
1.8
0.9
0.6
0.6
1.8
0.9
0.6
0.6
1.8
0.9
0.6
0.6
EB 2173 EN
50
16
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