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manufacturer:
Siemens
mpn:
MVF461H25-8
Product Description
Siemens - MVF461H25-8 Magnetic Valve, 1", 2-way, 9.4 Cv, 0 to 10V control, w/o Flange Kits
This MVF461H valve with magnetic actuator is defined for 0 to 10V control of high-temperature hot water or steam. The valve features fast positioning time less than 2 seconds, selectable valve characteristic, and 1000:1 resolution and rangeability. Electronic module for positioning control and position feedback signal. Spring returns closed when de-energized. Manual control. This 1" valve has a 9.4 Cv and comes without flange kits.
Additional Information
Ambient temperature, operation-5…45 °C
Degree of protectionIP31
kvs8 m³/h
Leakage rate0.05 % of kvs
Material, inside setCrNi steel
Material, valve bodyNodular cast iron EN-GJS-400-18-LT
Medium temperature1…180 °C; 34…356 ºF
Mounting positionUpright to horizontal
Nominal pressurePN 16
Operating voltage24 VAC, 24 VDC
Permissible operating pressureLiquid, max: 1300 kPa; Steam, max: 900 kPa
Position feedbackDC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA
Positioning signalDC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA, DC 0...20 V Phs
Positioning time2 s
Power consumption33 VA
Spring return functionA- AB closed
Valve characteristicEqual-percentage , Linear
Δpmax1000 kPa
Δps1000 kPa
Operating rangeDC 0…10 V, 0…20 mA, DC 2…10 V, 4…20 mA
Absolute pressure p1 steam900 kPa abs
MediumSteam , Water , Saturated steam
Stroke resolution ΔH/H1001:1000
Material, valve bodyCast iron EN-GJS-400-18-LT
Dimensions (W x H x D)7.72 x 15.89 x 4.53 in
DN25