Distance at top must be
the same as at bottom
Actuator should be
parallel to the plane of
the damper frame and
sleeve.
Actuator must be
perpendicular to the
damper shaft.
Allow any non-concentric shaft
motion to be taken up by
mounting stud in middle of U-slot
Figure 1
Figure 2
Figure 3
Note how the pin of the anti-
rotation strap is mounted in
middle of actuator U-slot.
This is acceptable as long as
mechanically solid.
Belimo linkage kits:
Mounting Methods Guide:
https://www.belimo.us/mam/americ
as/technical_documents/pdf-
web/guides/mounting_methods.pdf
Ruskin Phillips P150 to Belimo FSNF or FSAF March 2018
9