Siemens MXG461B50-30 is a 2" magnetic modulating control valve with a 35.1 Cv flow coefficient, intended for potable, chilled and hot water systems. The valve is supplied with a magnetic actuator and electronics module for position control, offering 1000:1 resolution, positioning time ⤠2 seconds, manual override and built-in position feedback. It accepts 0â10 V control and includes NPT union fittings and a blanking flange.
Flow capacity 35.1 Cv with 87 psi close-off; suitable for modulating control of domestic, chilled and hot water systems
Magnetic actuator with electronics module, 1000:1 resolution, positioning time ⤠2 s, manual override and auto calibration
Control inputs include 0â10 V (selectable inputs available); built-in position feedback and NPT union fittings with blanking flange
Product Highlights
2" modulating magnetic control valve, 35.1 Cv, magnetic actuator with position feedback, 0â10 V control, UL/cUL and DVGW approvals
Product Information
Standard Information
Brand: SIEMENS
Manufacturer Part Number: MXG461B50-30
Country of Origin: Germany
Technical Specifications
Brand
Siemens
Manufacturer Part Number
MXG461B50-30
Replacement MPN
MXG461B5030
Product type
Mixing / 2-port modulating control valve with magnetic actuator
Valve type
Mixing / 2-port (modulating)
Size
2"
Nominal diameter
DN50
Flow coefficient (Cv)
35.1
kvs
30
Close-off pressure
87 psi
Flow characteristic
Selectable: equal-percentage or linear
Operating voltage
AC / DC 24 V
Control signal
0â10 V
Selectable signal inputs
DC 0/2...10 V; DC 0/4...20 mA; DC 0â20 V phase-cut (Staefa)
Positioning time
⤠2 seconds
Resolution / Rangeability
1000:1 (1:1000), high rangeability
Manual override
Yes
Auto calibration
Yes
Position feedback
Built-in inductive stroke measurement
Actuator type
Magnetic actuator (pre-fitted)
Spring return
Yes (A -> AB closed when deenergized)
Fittings included
NPT union fittings and blanking flange (external thread option PN16)
Approvals / Certifications
UL listed; cUL listed; DVGW approved for drinking water