Basic Documentation
www.usa.siemens.com/hvac 137
Magnetic Valves
Sizing
Part No.
Valve Size
(in.)
Cv
Max. Differential
Pressure and Close-off
Power for
Transformer Sizing
(VA)
Power
Consumption
(W)
Slow
Fuse
Wire Gauge (AWG)
16 14 12
(psi) (bar)
Max. Wiring Length (ft.)
MXG461B15-0.6 1/2 0.7 145 70 33 15 3.15 130 215 360
MXG461B15-1.5 1/2 1.8 145 70 33 15 3.15 130 215 360
MXG461B15-3 1/2 3.5 145 70 33 15 3.15 130 215 360
MXG461B20-5 3/4 5.8 116 70 33 15 3.15 130 215 360
MXG461B25-8 1 9.3 102 40 33 15 3.15 130 215 360
MXG461B32-12 1-1/4 14 87 40 43 20 4 100 165 260
MXG461B40-20 1-1/2 23 87 40 43 20 4 100 165 260
MXG461B50-30 2 35 87 40 65 22 6.3 65 100 185
MXG461B Modulating Control Valve Product Ordering
Valve Size (in)
Cv Part No.
1/2 0.7 MXG461B15-0.6
1/2 1.8 MXG461B15-1.5
1/2 3.5 MXG461B15-3
3/4 5.8 MXG461B20-5
1 9.3 MXG461B25-8
1-1/4 14 MXG461B32-12
1-1/2 23 MXG461B40-20
2 35 MXG461B50-30
Ordering Notes:
• When placing an order, specify the quantity, product number and description.
Example: 1 MXG461B15-0.6 valve and 1 Z366 stem heater
• The valve body and magnetic actuator assemblies cannot be separated. The brass/bronze ttings are included. The Z366 stem heater must be
ordered separately.
• The screwed ttings and gaskets are supplied with these valves.
MXG461BSeriesModulating
ControlValve.