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| Page View 3890 |
| Product Information : |
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| Product Name: |
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MVF461H25-8|2-port seat magnetic control valve, flange, PN16 DN25, kvs 8, AC / DC 24 V, DC 0/2...10 V / 0/4...20 mA |
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| Product Category: |
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เครื่องจักร, อุปกรณ์เกี่ยวกับเครื่องจักร, เครื่องมือกล
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| Product Sub-Category: |
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วาล์ว
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| Brand: |
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SIEMENS |
| Product Type : |
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เครื่องมือ, เครื่องจักรและอุปกรณ์
สินค้า, ผลิตภัณฑ์
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| Short Description : |
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MVF461H..
Modulating control valves with magnetic actuator,PN 16
for hot water,
high temperature hot water and steam
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The MVF461H..valve types are through-port control valves with fitted magnetic
actuator. The actuator is equipped with connecting electronics for positioning control
and position feedback. When deenergized, the valve is closed.
The short positioning time, high resolution and high rangeability make these valves
ideal for proportional control of district heating stations and heating plant using HTHW
and steam. For closed circuits only.
• Short positioning time (• Selectable valve characteristic: Equal-percentage or linear
• High rangeability
• Selectable standard interface DC 0/2...10 V or DC 0/4...20 mA
• Phase-cut signal input for Staefa controllers
• Position control and position feedback signal
• Wear-free inductive stroke measurement
• Spring return facility: A → AB closed when deenergized
• Low friction, robust and maintenance-free
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Entered input data
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Calculated kV-value
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8 m³/h
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Medium
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water
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Nominal diameter DN
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25
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Connection
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Flange
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PN class
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PN 16
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Valve type
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2-port
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Technical data
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PN class
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PN 16
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DN
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25
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kvs
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8.00 m³/h
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Operating voltage
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AC 24 V, DC 24 V
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Power consumption
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33 VA
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Positioning signal
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DC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA, DC 0...20 V Phs
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Positioning time
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< 2 s
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Spring return function
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A-> AB closed
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Position feedback
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DC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA
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Degree of protection
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IP31
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Ambient temperature, operation
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-5...45 °C
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Mounting position
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Upright to horizontal
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Permissible operating pressure
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Water < 120 °C: 1600 kPa
Water > 120 °C: 1300 kPa
Saturated steam: 900 kPa
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Leakage rate
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< 0.05% of kvs value
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Absolute pressure p1 steam
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900.00 kPa abs
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Medium temperature
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1...180 °C
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Valve characteristic
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Equal-percentage , Linear
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Stroke resolution ΔH/H100
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1:1000
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Material, valve body
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Nodular cast iron EN-GJS-400-18-LT
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Material, inside set
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CrNi steel
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Δpmax
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1000 kPa
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Δps
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1000 kPa
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kvs
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8 m³/h
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Data sheet
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N4361
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Made by
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SIEMENS
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Type
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MVF461H25-8
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Stock no.
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BPZ:MVF461H25-8
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Type reference
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DN
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kVS
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Δpmax
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ΔpS
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Operating voltage
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Positioning
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Spring return
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[m3/h]
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[kPa]
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[kPa]
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signal
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time
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MVF461H15-0.6
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15
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0.6
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1000
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1000
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AC / DC 24 V
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DC 0...10 V
or
DC 2…10 V
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DC 0…20 mA
or
DC 4...20 mA
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< 2 s
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ü
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MVF461H15-1.5
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1.5
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MVF461H15-3
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3
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MVF461H20-5
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20
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5
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MVF461H25-8
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25
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8
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MVF461H32-12
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32
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12
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MVF461H40-20
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40
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20
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MVF461H50-30
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50
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30
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เอกสารแนบ
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ผจก. 
0897725584 
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