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ManualsBrandsSiemens ManualsControl ValvesMXG461 2" Modulating Control Screwed Fitting Valve w/ Magnetic Actuator, 35 Cv
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Technical Instructions MXG461…U, MXF461…U Modulating Control Valves
Document Number CA1N4455E-P25 with Magnetic Actuators
October 19, 2020
Page 6 Siemens Industry, Inc.
Specifications
Electrical Interface
Power supply Class 2
Supply voltage 24 Vac, 50/60 Hz
– Maximum voltage tolerance +20/–15%
Control signal (user-selected) 0 to 10 Vdc, 2 to 10 Vdc, or 4 to 20 mA
Software class Class A
Nominal power See Sizing
Position Signal Y 0 to 10 Vdc, 2 to 10 Vdc, or 4 to 20 mA
Impedance 0 to 10 Vdc or 2 to 10 Vdc 100k Ω //5nF
4 to 20 mA 100 Ω //5nF
Position feedback signal 0 to 10 Vdc; load resistance > 500 Ω
Product Specific Data
Applications To EN60730
Nominal pressure 232 psi (16 bar)
Permissible Operating pressure p
e
max 150 psi
Differential pressure Pmax See Table 1
Leakage at Pv = 14.5 psi (0.1 Mpa) (1bar) A → AB Max. 0.02 % Cv (to IEC534-4)
B → AB Depends on operating
conditions (<0.2% Cv)
Admissible media Water, or water/glycol mixtures with
maximum 50% glycol
Temperature of medium 34°F to 266°F (1°C to 130°C)
Valve characteristic (stroke, kvs) Linear or equal percentage (user-
selected), optimized near the closing
point (to IEC534-2-4)
Stroke resolution H/H100 1:1000 (H = stroke)
Hysteresis Typically 3%
Type of operation Modulating
Manual adjustment Yes, with handwheel
Position with actuator de-energized A → AB closed
Orientation Upright to horizontal
Note that orientation affects protection
standard
Positioning time <2 seconds
Materials (valve body)
Electrical connection
Miscellaneous
Ambient conditions
Agency Approvals