Translation of the original operating instructions
Type 327
5.6.3. Integrated stroke limiter
The integrated stroke limitation makes it possible to set the opening stroke and limit the flow to a maximum
value. Please note that stroke limitation is only possible for the MA25 version.
Set stroke limiter for MA25:
→ Move the valve to the desired position, e.g. valve 75% open.
→ Screw the M5 nut down as far as it will go (see Fig. 5).
→ Screw the cover of the stroke limiter down as far as it will go.
→ Screw the M5 nut back up until it is in contact with the cover.
→ The stroke limitation is set.
Reset stroke limiter for MA25:
→ Move the valve to the "closed" position.
→ Dismantle the stroke limitation cover (see Fig. 5).
→ Screw M5 nut up to dimension S3 (see Table 5).
→ Screw down the stroke limitation cover until it rests on M5.
→ The stroke limiter is now back in the basic setting.
M3
M4
M5
Figure 5: Stroke limiter & travel stop for MA25
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S2
S3
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BA220002 Version: a