{"product_id":"ets-12-5-danfoss-034g4211-electric-expansion-valve","title":"ETS 12.5 Danfoss 034G4211 Electric Expansion Valve","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034G4211 (034G4211)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDanfoss\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eETS 12.5 series electronically operated expansion valve, engineered for precise liquid injection in air conditioning and refrigeration systems. In critical infrastructure such as data center cooling units, commercial heat pumps, and industrial chillers, this valve plays a pivotal role in maintaining optimal superheat levels. By utilizing a sophisticated stepper motor drive, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eETS 12.5\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures rapid response to load changes, which significantly improves system Energy Efficiency Ratio (EER) and protects the compressor from liquid slugging. Its balanced orifice design provides bi-flow capability, making it a versatile solution for high-demand thermal management loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe hardware architecture of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034G4211\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built for high-performance fluid control and long-term environmental durability.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlow Dynamics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAs a straightway valve, it features a balanced cage and linear slide design, ensuring precise flow modulation across a wide range of evaporation temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with 22.00 mm Copper Solder ODF inlet and outlet connections, allowing for high-integrity brazed joints in high-pressure refrigerant circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a 4-pin M12 male connector, supporting standardized industry cabling for stepper motor control signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe valve assembly is rated at IP67, ensuring complete protection against dust ingress and the effects of temporary immersion in water, which is critical for equipment exposed to heavy condensation or wash-down procedures.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e034G4211\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\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\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElectric Expansion Valve (ETS 12.5)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\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\u003e\u003cstrong\u003eConnection Size\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e22.00 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnection Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCopper\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFlow Direction\u003c\/strong\u003e\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\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM12 Male (4 pin)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\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\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.912 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 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\u003eCan the 034G4211 valve be installed in any orientation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor optimal performance and to prevent debris accumulation in the motor housing, it is recommended to install the valve with the actuator pointing upwards (within 90 degrees of vertical). However, the straightway design does allow for flexible positioning in compact piping layouts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of controller is required to drive the ETS 12.5?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034G4211\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequires a bipolar stepper motor controller. The controller must be configured to match the specific phase current and step rate specifications of the ETS series to ensure smooth and accurate valve positioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this valve require an external solenoid valve for shut-off?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ETS series provides a tight shut-off function; however, in systems where safety requirements are stringent or where long-term power outages are expected, a separate solenoid valve in the liquid line is often recommended for additional security.\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\u003eDuring installation, it is mandatory to wrap the valve body in a wet cloth or use a heat-sink paste. The internal components are precision-machined, and excessive heat (exceeding 120 Celsius) during the soldering of the 22.00 mm copper connections can damage the internal slide mechanism or the motor gaskets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMoisture Prevention:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBefore commissioning, ensure the system is evacuated to a high vacuum to remove all moisture. Moisture in the refrigerant can freeze within the small clearances of the expansion valve, leading to erratic control or mechanical seizure of the stepper motor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen connecting the 4-pin M12 plug, ensure the cable has a \"drip loop\" to prevent condensation from running down the wire and into the connector. Even with an IP67 rating, long-term exposure to standing water on electrical interfaces should be avoided for maximum longevity.\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":53102418592107,"sku":"034G4211","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/034g4211-hxvcoeqhady.png?v=1776136892","url":"https:\/\/www.plcprotech.com\/products\/ets-12-5-danfoss-034g4211-electric-expansion-valve","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}