| Valve-spindle |
version |
|
DIN
3210 |
DIN
5210 |
DIN
3338
|
Torque-transmission |
Thrust force-transmission |
| rising, non-rotating |
with steam nut |
 |
A |
A |
- |
YES
|
YES |
rotating, non -rising
rising, non-rotating*)
|
with plug sleeve
|
 |
B |
B1,
B2 |
- |
YES |
NO |
rotating, non -rising
rising, non-rotating*)
|
with claw coupling |
 |
C |
- |
C |
YES |
NO |
| Operation via linkage or coupling |
with shaft end |
 |
D
DO with two shaft ends |
- |
- |
YES |
NO |
| rotating, non-rising |
with bore |
 |
E |
B3,
B4 |
- |
YES |
NO |
rotating, non-rising
rotating, rising |
shaft with internal
hexagon |
 |
factory
standard |
factory standard |
factory
standard |
YES |
YES**) |
*) With axial stem nut on side of valve
**) Low thrust forces (sliding friction)
|