{"product_id":"danfoss-ets-50-034g1706-electric-expansion-valve","title":"DANFOSS ETS 50 034G1706 Vanne d'expansion électrique","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034G1706 (034G1706)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision Electric Expansion Valve (EEV) from the Danfoss ETS 50 series, engineered for accurate liquid injection in air conditioning and refrigeration systems. Utilizing a sophisticated stepper motor actuator, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034G1706\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides precise control of refrigerant flow, ensuring optimal evaporator efficiency and maintaining stable superheat even under rapidly changing load conditions. The valve features a straightway design with 1 1\/8 inch solder ODF connections and a bi-metal (steel\/copper) construction for simplified installation. Designed for integration with electronic controllers, this ETS 50 valve is essential for high-performance chillers, heat pumps, and commercial refrigeration units, where it reduces energy consumption and protects the compressor by preventing liquid carry-over.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe ETS 50 series is characterized by its balanced design and robust electrical interface, specifically built for high-demand industrial cooling cycles:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBalanced Flow Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe valve is internally balanced, allowing it to operate efficiently in both flow directions (bi-flow) while ensuring stable regulation across a wide range of pressure differentials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStepper Motor Precision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a high-resolution stepper motor that provides precise positioning of the valve cone, enabling extremely fine adjustments to the refrigerant mass flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Metallurgy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncorporates bi-metal connections (steel\/copper), which allows for direct soldering to copper piping while maintaining the structural integrity and corrosion resistance of the stainless steel valve body.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStandardized Electrical Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with a standard 4-pin M12 male connector, facilitating a secure and moisture-proof connection to external drivers or controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe actuator and electrical housing are rated IP67, providing total protection against dust and temporary immersion, which is critical for valves mounted in damp evaporator sections or outdoor units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eETS 50\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e034G1706\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDanfoss\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eValve Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElectric Expansion Valve (EEV)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSolder ODF (Inlet\/Outlet)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 1\/8 inch (28.6 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBi-metal (Steel\/Copper)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrical Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM12 (4-pin, Male)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnclosure Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP67\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFlow Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStraightway (Bi-flow capable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNet Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.474 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the bi-metal connection benefit the installation process?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bi-metal connectors on the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034G1706\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeature a stainless steel sleeve with a copper outer layer. This allows technicians to perform standard copper-to-copper brazing without the need for specialized flux or complex procedures typically required for stainless steel, significantly reducing the risk of leaks at the joints.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of controller is required to operate the ETS 50?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034G1706\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequires a bipolar stepper motor driver (such as a Danfoss EKD 316 or similar electronic controller). The driver must be capable of providing the correct current and step pulses to accurately position the valve based on pressure and temperature sensor feedback.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this valve be used for both cooling and heating cycles in a heat pump?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The ETS 50 series is designed for bi-flow operation. It can effectively regulate refrigerant flow in both directions, making it an ideal choice for reversible heat pump systems where the valve must function as the expansion device during both heating and cooling modes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrazing Protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen soldering the 1 1\/8 inch ODF connections, it is critical to use a wet cloth or heat-sink paste to wrap the valve body. Excessive heat transfer to the internal stepper motor or the valve seat can cause permanent damage to the motor windings or calibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Orientation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe valve should ideally be mounted with the actuator pointing upwards (within 90 degrees of vertical). This prevents compressor oil or liquid refrigerant from pooling in the actuator housing, ensuring the longevity of the stepper motor assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse a shielded M12 cable for the electrical connection, especially in panels containing variable frequency drives (VFDs). Proper shielding prevents electromagnetic interference from causing \"lost steps\" in the motor, which would result in inaccurate superheat control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102417641835,"sku":"034G1706","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/034g1706-kclzry2s15w.png?v=1776136881","url":"https:\/\/www.plcprotech.com\/fr\/products\/danfoss-ets-50-034g1706-electric-expansion-valve","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}