Product Overview

M556 Series (2466 Series), M572 Series (2472 Series), M573 Series (2473
Series), M574 Series (2474 Series)
43
Hesitation Actuator.
Model No.
a
a
Total stroke of these hesitation actuators takes place in two stages, from 1 to 4 and 8 to 12 (or 8 to 13) psig. No shaft movement from 4 to 8 psig.
Stroke
Diaphragm
Area
Spring Range
psig
Mounting Description
M583-0520 2 in. 7 sq. in. 1 to 4 and 8 to 12 Post-mtd.
Actuator with stamped clevis, clevis pin and
bracket; for use on air handlers where factory
mounting has not been established.
M584-0211 3 in. 11 sq. in. 1 to 4 and 8 to 13 Right-angle
Actuator with pushrod and stamped crankarm
for 90° rotation of 1/2 in. damper shaft.
3 in. Stroke (7 sq. in.).
Model No.
Spring Range
psig
Mounting Description
M573-2108
3 to 12
Right-angle Actuator with ball joint to accept 5/16 in. push rod.
M573-2111 Right-angle Actuator with complete linkage for 1/2 in. damper shafts.
M573-2520 Post-mtd. Actuator with clevis and pin.
M573-8108
4 to 8
Right-angle
Actuator with ball joint to accept 5/16 in. push rod.
M573-8111 Actuator with complete linkage for 1/2 in. damper shafts.
M573-8520 Post-mtd. Actuator with clevis and pin.
M573-3108
5 to 10
Right-angle
Actuator with ball joint to accept 5/16 in. push rod.
M573-3111 Actuator with complete linkage for 1/2 in. damper shafts.
M573-3520 Post-mtd. Actuator with clevis and pin.
M573-1108
8 to 13
Right-angle
Actuator with complete linkage and positive positioner for 5/16 in.
push rod and 1/2 in. damper shafts.
M573-1111
M573-1520 Post-mtd. Actuator with positive positioner.
M573-5108
Right-angle
Actuator with ball joint to accept 5/16 in. push rod.
M573-5111 Actuator with complete linkage for 1/2 in. damper shafts.
M573-5520 Post-mtd. Actuator with clevis and pin.
M573-6108
10 to 15
Right-angle Actuator with ball joint to accept 5/16 in. push rod.
M573-6111 Right-angle Actuator with complete linkage for 1/2 in. damper shafts.
M573-6520 Post-mtd. Actuator.