Honeywell Valve Actuators Comparison

ML Series Non-Spring Return Electric Linear Valve Actuators

Model
Type

Control Type

Operating Voltage

Input Signal

Feedback signals

Stroke Length

Runtime@50/60Hz

Output Force

Manual Option

ML6420A3007-E
Electric Linear Valve Actuator
ML6420A3007

Floating/2-position

24VAC

2-wire

-

20mm

1 Min

600N

On/Off

ML7420A8088-E
Electric Linear Valve Actuator
ML7420A8088-E

Modulating

24VAC

Input:0(2) ~10 Vdc

2-10Vdc

20mm

1 min

600N

On/Off

ML7421A8035-E
Electric Linear Valve Actuator
ML7421A8035-E

Modulating

24VAC

0(2) ~10 Vdc

2 -10Vdc

20mm

1.9 min

1800N

On/Off

ML7421B8012-E
Electric Linear Valve Actuator
ML7421B8012-E

Modulating

24VAC

0(2) ~10 Vdc

2-10Vdc

38mm

3.5 min

1800N

On/Off

ML Series Spring Return Electric Linear Valve Actuators

Model
Type

Spring Return

Control Type

Operating Voltage

Input Signal

Feedback Signal

Stroke Length

Runtime@50/60Hz

Stroke Force

Spring Return Time

Spring Return Direction on power failure

ML6425A
Electric Linear Valve Actuator

Spring Return

Floating

24VAC

2-wire

-

20mm

1 min

600N

12 sec

Drive valve stem down on power failure

ML6425B
Electric Linear Valve Actuator
ML7425A8018-E

Spring Return

Floating

24VAC

2-wire

-

20mm

1 min

600N

12 sec

Draw valve stem up on power failure

ML7425A8018-E
Electric Linear Valve Actuator
ML7425A8018-E

Spring Return

Modulating

24VAC

0(2) ~10 Vdc

2-10Vdc

20mm

1 min

600N

12 sec

Drive valve stem down on power failure

ML7425B
Electric Linear Valve Actuator
ML7425B

Spring Return

Modulating

24VAC

0(2) ~10 Vdc

2-10Vdc

20mm

1 min

600N

12 sec

Draw valve stem up on power failure