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Siemens MVF461H Series MVF461H25-8

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MVF461H25-8

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The MVF461H25-8 modulating control valve from Siemens features a magnetic actuator designed for precise flow regulation. This valve operates at various voltages, including 24 VAC and a range of 20 to 30 VDC, ensuring versatile integration into control systems.

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Technical specifications for MVF461H25-8

ManufacturerSiemens
Product TypeModulating Control Valve with a Magnetic Actuator
Product LineMVF461H Series
Part NumberMVF461H25-8
Valve Type Designation2-Port, Through-Type, Flanged
Voltage Rating24 VAC (+20%/-15%) or 20 to 30 VDC
Input Voltage Frequency45 to 65 Hz
IP RatingIP31
Operating Temperature Range-5 °C to 45 °C
Storage Temperature Range-5 °C to 45 °C (Transport Range: -25 °C to 70 °C)
Humidity Range5 to 95% RH (Non-Condensing)
Valve Size1 in. (DN25)
Flow Coefficient (Cv)9.4 Cv
Nominal Pressure ClassANSI 125 (PN16)
Body MaterialModular Cast Iron
Seat/Trim MaterialStainless Steel
Control Signal0/2 to 10 Volts DC, 0/4 to 20 milliamps, or 0-20 Volts DC Phase-Cut
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Siemens produces the MVF461H25-8, a modulating control valve featuring a magnetic actuator for responsive flow modulation. This product is categorized as a 2-port, through-type, flanged valve, designed to handle a nominal pressure of ANSI 125 (PN16). The valve supports operating voltages of 24 VAC with a tolerance of +20% to -15%, in addition to a direct current range between 20 and 30 volts. It is suitable for environments that maintain an input voltage frequency between 45 and 65 Hz while functioning reliably in temperatures ranging from -5 °C to 45 °C.

With a body constructed from modular cast iron, this valve is engineered for durability. The seat and trim components incorporate stainless steel, enhancing longevity and resistance to wear. A maximum flow coefficient of 9.4 Cv allows effective performance in fluid management tasks, supporting a valve size of 1 inch (DN25). The MVF461H25-8 can operate within a humidity range of 5% to 95% relative humidity (non-condensing), maintaining reliability under varied environmental conditions. Its IP31 protection rating ensures sufficient resistance against dust and limited water exposure.

For control operations, the valve accepts various input signal types including 0/2 to 10 Volts DC, 0/4 to 20 milliamps, or 0-20 Volts DC Phase-Cut, providing flexibility for system integration and automated controls. When stored, the valve can withstand temperatures from -5 °C to 45 °C, with transport conditions ranging from -25 °C to 70 °C, making it adaptable for shipping and storage requirements without risking damage.