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HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR

AllActuatorHoneywell

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HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR

HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR 

Full Set

HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR +V5088A1005 DN100 -4'' 2 way valve
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR + V5088A1013 DN125 -5'' 2 way valve
HONEYWELL ML7421B8012-E 24V 50/60HZ DIRECT COUPLED ELECTRIC VALVE ACTUATOR + V5088A1021 DN150 -6'' 2 way valve 

What is a Modulating Control Valve?


A modulating control valve is an automated valve that is used to control the amount of flow in a system or process. They go beyond simple shutoff or isolation (on/off) and actually allow precise control of the flow rate. The actuators on these valves use feedback and control signals to accurately open and close the valve. 


Note
ML7421B is for big valve (4'' Valve and above).Torque is 1,800Nm. ML7420A8088A is for 1.5'' and below. Torque is 600Nm.

Note
Replaced ML7421B1032
Replaced M7421B1006

GENERAL
 
The ML7421A / ML7421B actuators are designed for modulating control, accepting 0(2)...10v or 4...20mA input
signal, and providing feedback signal 2...10 Vdc only. They operate Honeywell’s standard valves in heating, ventilation,
and air conditioning (HVAC) applications.

FEATURE
 
 Easy and quick installation
 No separate linkage and adjustments required
 Low power consumption and maintenance-free
 Self-adaption function
 Force-limiting end stops
 Manual operation knob
 0(2)~10 Vdc input and 2~10 Vdc position feedback
 Direct/ Reverse action adjustable
 Selectable stroke position when signal failure
 Corrosion-resistant design

SPECIFICATION
 
Temperature
 
Ambient operating -10~+50℃ at 5~95% r.h.
Ambient storage -40...+70 °C at 5...95% r.h.
Medium temperature 150 °C max. (220 °C with
High-Temperature kit)
 
Signals
 
Signal input y=0(2)~10 Vdc or 4~20 mA
Input impedance for voltage Ri=100 KΩ
for mA Ri=500Ω
Position feedback signal x=2~10Vdc
Output impedance 1 KΩ max.
Output load 1 mA max.
 
Safety
 
Protection class III as per EN60730-1
Protection standard IP54 as per EN60529
Flame retardant housing V0 as per UL94
(with metal cable gland)
 
Material
 
Cover ABS-FR
Yoke and Base Aluminum die-cast

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