{"product_id":"siemens-mvl661-25-6-3-refrigeration-valve-7-3-cv-1-in","title":"Siemens MVL661.25-6.3 Refrigeration valve 7.3 Cv (1 in)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eSiemens MVL661.25-6.3 is a hermetically sealed two-port refrigeration valve for modulating control of chillers and heat pumps. The valve features steel trim, a 1 in connection with a 7.3 Cv flow coefficient, and 0 to 10 V control capability. It provides integrated actuator electronics with position feedback and is designed for medium temperatures from -40 to 120 C and IP65 protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHermetically sealed 2-port refrigeration valve with steel trim and 1 in connection (DN25 equivalent).\u003c\/li\u003e\n  \u003cli\u003eControl and actuator: 0 to 10 V control signal; selectable positioning signals and position feedback via integrated electronics.\u003c\/li\u003e\n  \u003cli\u003eOperating range: medium temperature -40 to 120 C, permissible operating pressure up to 4500 kPa, IP65 degree of protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eModulating 2-port refrigeration valve, 7.3 Cv, 1 in connection, 0-10 V control, integrated position feedback, IP65, -40 to 120 C\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SIEMENS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MVL661.25-6.3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Siemens\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MVL661.25-6.3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Two-port refrigeration valve\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValve Function\u003c\/strong\u003e: Modulating \/ linear characteristic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection \/ Size\u003c\/strong\u003e: 1 in (DN25, internal solder connection listed in some sources)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Coefficient (Cv)\u003c\/strong\u003e: 7.3 Cv\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ekvs\u003c\/strong\u003e: 6.3 m3\/h (reduced 4 m3\/h selectable via DIP switch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial - Body\u003c\/strong\u003e: Steel (PS45 stainless steel noted in some sources)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial - Internal\u003c\/strong\u003e: CrNi steel \/ brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Ports\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Signal\u003c\/strong\u003e: DC 0...10 V (primary); selectable DC 2...10 V, DC 0...20 mA, DC 4...20 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e: 24 VAC; 20-30 VDC (AC\/DC 24 V noted)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition Feedback\u003c\/strong\u003e: Available via integrated electronics (DC 0-10 V, 0-20 mA, 2-10 V, 4-20 mA options)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Type\u003c\/strong\u003e: Integrated power electronic \/ magnetic actuator with spring return (A-\u0026gt;AB closed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e: IP65\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedium Temperature Range\u003c\/strong\u003e: -40 to 120 C (-40 to 248 F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePermissible Operating Pressure\u003c\/strong\u003e: 4500 kPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Differential Pressure (Delta p max)\u003c\/strong\u003e: 2500 kPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeakage Rate\u003c\/strong\u003e: 0.002% of kvs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Position\u003c\/strong\u003e: Upright to horizontal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePositioning Time\u003c\/strong\u003e: 1 s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStroke Resolution\u003c\/strong\u003e: 1:1000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuitable Refrigerants\u003c\/strong\u003e: R22, R134a, R404A, R407C, R410A, R507, R744 (CO2); not suitable for flammable refrigerants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e: 5.51 x 10.87 x 4.02 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards \/ Certifications\u003c\/strong\u003e: CE; EN 10204 (type 2.2); RCM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Germany (listed in some sources)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":51467458249010,"sku":"MVL661.25-6.3","price":1010.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/313941811.jpg?v=1783904742","url":"https:\/\/voomisupply.com\/products\/siemens-mvl661-25-6-3-refrigeration-valve-7-3-cv-1-in","provider":"Voomi Supply","version":"1.0","type":"link"}