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Design and principle of operation
Table 3-6: Materials · Control thermostats · Material numbers according to DIN EN
Type 2231, Type 2232, Type 2233, Type 2234 and Type 2235 Control Thermostats
Version
Operating element
Sensor
Capillary tube
Thermowell
G 1 threaded connection
Flange connection
1)
On request
1)
PN 16 only
2)
Table 3-7: Dimensions and weights of Type 2111 Valves · Dimensions in mm · Weights in
kg
Type 2111 (Type 1)
Valve size
DN
Length L
Body material EN-GJS-400-18-LT and EN-GJL-250
Height H
Height H1
Weight
Approx.
1)
Body material 1.0619 and 1.4408
Height H
Height H1
Weight
kg (approx.)
1)
PN 16 body; +15 % for PN 25/40
1)
With extension piece
2)
3-10
Type 2231/2232
Type 2233/2234
Type 2235
Immersion tube
Threaded nipple
Immersion tube
Threaded nipple
15
20
130
150
372
82
4.0 kg
4
4.5
Standard version
Nickel-plated brass
Bronze
Copper
Copper
Copper
Bronze, steel, copper
2)
Brass · Steel
Steel
Steel
25
160
180
515 · 655
2)
225 · 365
2)
5.5
Special version
CrNiMoTi steel
–
Plastic-coated copper
CrNiMoTi steel
CrNiMoTi steel
32
40
200
442
152
10 kg
10
10.5
EB 2111/2121/2123 EN
50
230
13.5
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