Product Overview

M556 Series (2466 Series), M572 Series (2472 Series), M573 Series (2473
Series), M574 Series (2474 Series)
44
4 in. Stroke (11 sq. in.).
Model No.
Spring Range
psig
Mounting Description
M574-2208
3 to 12
Right-angle
Actuator with ball joint to accept 5/16 in. push rod.
M574-2211 Actuator with complete linkage for 1/2 in. damper shafts.
M574-2520 Post-mtd. Actuator with clevis and pin.
M574-8208
4 to 8
Right-angle
Actuator with ball joint to accept 5/16 in. push rod.
M574-8211 Actuator with 1/2 in. shaft linkage and bracket.
M574-8520 Post-mtd. Actuator with clevis and pin.
M574-3208
5 to 10
Right-angle
Actuator with ball joint to accept 5/16 in. push rod.
M574-3211 Actuator with complete linkage for 1/2 in. damper shafts.
M574-3520 Post-mtd. Actuator with clevis and pin.
M574-1054
8 to 13
Right-angle
Actuator for Keystone butterfly valve, w/positioner.
M574-1208
Actuator with complete linkage and positive positioner for 5/16 in.
push rod and 1/2 in. damper shafts.
M574-1211
M574-1520 Post-mtd. Actuator with positive positioner.
M574-5208
Right-angle
Actuator with ball joint to accept 5/16 in. push rod.
M574-5211 Actuator with 1/2 in. shaft linkage and bracket.
M574-6208
10 to 15
Right-angle Actuator with ball joint to accept 5/16 in. push rod.
M574-6211 Right-angle Actuator with complete linkage for 1/2 in. damper shafts.
M574-6520 Post-mtd. Actuator.
6 in. Stroke (24.8 sq. in.).
Model No.
Wholesale
Model No.
Spring Range
psig
Mounting Description
M556-14
8 to 13 Swivel-mtd.
60° to 120° adj. linkage to accept 1/2 in. shafts
w/positioner (with 5 psi span feedback spring).
M556-1402 w/Positioner, for Keystone butterfly valve.
M556-51 60° to 120° adjustable linkage to accept 1/2 in. shafts.
M556-5101 M556-5101
No linkage. Hole in end of shaft is tapped to receive a 3/8”
- 16 machine screw.
M556-5102 For Keystone butterfly valve.