11
Keeping the World Flowing
Actuator Description
Actuator design characteristics are shown on the nameplate
attached to the actuator. These actuators can be fitted
with an emergency manual override suitable to operate the
actuator in the event of fluid supply failure. This device can be
of mechanical gear type operated by means of a handwheel.
14 Spring housing
Protects externally from environmental corrosion and
internally from supply air and atmospheric air.
15 Spring
Spring may be removed from housing and flipped
to reverse fail direction for flexibility, reducing stock
requirements. Spring includes steel safety band (patent-
pending) around spring perimeter, allowing safe removal
from housing.
16 Dual Output Drive
Spring-return unit standard with ISO 5211 ‘star pattern’
female drive and ISO mount flange coupled with matching
actuator bolt circle. Optional male drive insert to match
actuator drive shaft.
80°
90°
100°
+5°
Over-Travel
Under-Travel
-5°
Under-Travel
-5°
+5°
Over-Travel
Angle of Travel
80° - 100° ALL MODELS
(Restricted Travel
Versions Available)
14
16
16
15
15
Figure 1: Actuator principal parts
