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Actuator Features Non-fail Safe
Actuator O.S. Number
ML6420A3049
ML6420A3056
ML7421A1032
ML6421A1017
Power Supply Voltage 24 Vac 24 Vac 24 Vac 24 Vac
Frequency 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz 50 / 60 Hz
Power 6 VA 6 VA 12 VA 11 VA
Actuator Torque (lb.-in.) 135 135 404 404
Control (0)2-10 Vdc •
4-20 mA (external 500 Ohm Resistor) •
Floating • • •
Two-Position SPDT • • •
Two-Position SPST
135 Ohm
Fail Safe Action
Stay in place Stay in place Stay in place Stay in place
Normal Position (no signal) (field co nfigurable)
Stem Up Stem Up Stem Up Stem Up
Actuator Stroke (inches) 0.75 0.75 0.75 0.75
Timing (seconds at 0.75" stroke) 60 30 90 90
High Temperature Kit Steam Application 43196000-001 43196000-001 43196000-001 43196000-001
Aux Switch 1 x SPDT Add-On
2 x SPDT Add-On 43191680-105 43191680-105 43191680-102 43191680-102
Feedback 2-10 Vdc Built In •
2-10 Vdc Add-On
220 Ohm Add-On 43191679-111 43191679-111 43191679-101
10 kOhm Add-On 43191679-112 43191679-111
Valve
Size
(inches)
Cv
Valve
Type
ANSI
Class
Max Static
Water Pressure
Max Steam
Pressure /
Temperature
Flow
Characteristic
Valve
Action
Valve OS
Number
Close-off Pressure, psid
2-Way
Water & Steam Valves
ANSI Class III (< 0.05%
Cv) Seat Leakage
2 1/2"
63
Standard
125
150 psi @ 240 F 15 psi (2-position) Equal %
Stem down to close
V5011A1734 28 28 77 77
70
175 psi @ 130 F
125 psig / 353 F
Equal % VGF21ES25 23 23
175 psi @ 130 F Linear VGF21LS25 23 23
250 400 psi @ 130 F Equal % VGF22ES25 23 23
3"
100 125 150 psi @ 240 F 15 psi (2-position) Equal % V5011A1767 16 16 53 53
115 125 175 psi @ 130 F
125 psig / 353 F
Equal % VGF21ES30 11 11
125 125 175 psi @ 130 F Linear VGF21LS30 11 11
120 250 400 psi @ 130 F Equal %
VGF22ES30 11 11
2-Way Water & Steam Valves
ANSI Class IV (< 0.01% Cv)
Seat Leakage
2 1/2" 70
Pressure Balanced
125 175 psi @ 130 F
125 psig / 353 F
Equal %
Stem down to close
VGF21EP25 175 175 175 175
Standard Equal % VGF21ES25 69 69
Pressure Balanced
Linear VGF21LP25 175 175 175 175
Standard Linear VGF21LS25 69 69
Standard 250 400 psi @ 130 F Equal % VGF22ES25 69 69
3"
115
Pressure Balanced
125 175 psi @ 130 F
Equal % VGF21EP30 175 175 175 175
115 Standard Equal %
VGF21ES30 34 34
120
Pressure Balanced
Linear
VGF21LP30 175 175 175 175
125 Standard Linear VGF21LS30 34 34
120 Standard 250 400 psi @ 130 F Equal %
VGF22ES30 34 34
3-Way Water Valves
2 1/2"
63 Mixing
125
150 psi @ 240 F
N / A
Constant Total Stem up closes A-AB
V5013B1003 23 23 77 77
63 Diverting 150 psi @ 240 F Constant Total Stem up closes B-AB V5013C1001 21 21 77 77
70
Mixing 175 psi @ 130 F Equal % A-AB Stem up closes A-AB
VGF31EM25 29 29 87 87
Diverting 175 psi @ 130 F Linear, Constant Total Stem up closes B-AB
VGF31LD25 23 23 69 69
Mixing 250 400 psi @ 130 F Equal % A-AB Stem up closes A-AB VGF32EM25 29 29 87 87
Diverting 250 400 psi @ 130 F Linear, Constant Total Stem up closes B-AB VGF32LD25 23 23 69 69
3"
100 Mixing
125
150 psi @ 240 F Constant Total Stem up closes A-AB V5013B1011 11 11 53 53
100 Diverting 150 psi @ 240 F Constant Total Stem up closes B-AB V5013C1019 14 14 53 53
120 Mixing 175 psi @ 130 F Equal % A-AB Stem up closes A-AB VGF31EM30 19 19 58 58
120 Diverting 175 psi @ 130 F Linear, Constant Total Stem up closes B-AB VGF31LD30 11 11 34 34
115 Mixing 250 400 psi @ 130 F Equal % A-AB Stem up closes A-AB VGF32EM30 19 19 58 58
120 Diverting 250 400 psi @ 130 F Linear, Constant Total Stem up closes B-AB VGF32LD30 11 11 34 34
VALVE SELECTION
Flanged Globe Valves 2½- 3"
With Dedicated Valve Actuators