Samson 43-1 Mounting And Operating Instructions page 20

Design and principle of operation
Table 3: Materials · Material numbers according to DIN EN
Type 2431 and Type 2432 Valves
Body
Valve seat
Valve plug
Valve spring
Type 2430 Control Thermostat
Set point adjuster
Capillary tube
Temperature
sensor
Thermowell
Type 43-2 with flanged body valve (DIN only)
1)
For Type 43-1 and Type 43-2 with flanged valve body
2)
For oils (ASTM I, II, III): FKM soft seal
3)
Table 4: Dimensions in mm and weights in kg
Type 2431 Valve (female thread)
Valve size
Length L
Height H
CC499K
Height H2
1.4404
Width across flats SW
Weight
Type 43-1 with bulb sensor and
thermowell (approx. kg)
1)
Version without thermowell: minus 0.2 kg
1)
Stainless steel body +0.2 kg
2)
20
Red brass (RG5)
CC499K
Stainless steel 1.4305
1.4305 and brass, resistant to dezincification, with
EPDM soft seal
Copper or stainless steel 1.4310
G ½
65
34
1.4
2)
Spheroidal graphite
iron
EN-GJS-400-18-LT
1)
3)
Stainless steel 1.4310
PTFE, glass fiber reinforced
Copper
G ¾
75
180
30
46
1.5
2)
Stainless steel
1.4408
2)
1.4404
G 1
90
46
1.6
2)
EB 2171 EN