Actreg ADA SERIES Assembly & Maintenance Instructions page 5

1.1 SPRING COMBINATION BY TYPE OF ACTUATOR
ACTREG actuators use a maximum of seven springs on each side, always using a same type
of spring independently of the combination of springs that will be used.
The quantity of springs is identified as follows:
S = springs & 14 is the total number of springs assembled in the actuator.
1.1.1 ACTUATOR SIZE ASR-20
The actuator ASR-20 uses a minimum of 2 springs and a maximum of 4 springs on each
side, according to the diagrams below, depending on the springs combination that require to be
assembled.
S04
1.1.2 ACTUATORS SIZES ASR-40 & 80
The actuators ASR-40 & 80 use a minimum of 2 springs and a maximum of 7 springs on
each side, according to the diagrams below, depending on the springs combination that require
to be assembled.
S04
S10
PNEUMATIC ACTUATORS
ASSEMBLY & MAINTENANCE PROCEDURES
Ref. Doc. MMMACTREGDRE English Rev.2 – January 2012
eg: S14
S06
STANDARD
S06
S12
S08
S08
S14
STANDARD
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