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TU Thermostatic
Expansion Valves EnVisioneering how to improve refrigeration applications when they hit the road Putting EnVisioneering to work, Danfoss designed and delivered a thermostatic expansion valve that enables refrigerated transport systems to efficiently keep food products at temperatures mandated by government regulations. |
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Environmental Responsibility
Concerns for public safety require industry leaders and policy makers to be increasingly concerned about food borne pathogens. Once food products leave the farm or processing plant, proper temperatures must be maintained all the way to the consumer’s home. That means foodstuffs in trailers and containers must be refrigerated within specific ranges that vary by product. But systems used in refrigerated transport are subject to unusual wear and tear. The light, compact Danfoss TU thermostatic expansion valve, though, is a perfect choice for transport refrigeration. It delivers reliable, precise control day after day, withstanding the shocks and vibration of over-the-road transportation. |
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| Engineering Innovations
The Danfoss TU thermostatic expansion valve is deep drawn from a sheet of stainless steel, making it stronger, lighter, more compact, and more corrosion resistant than traditional heavier brass valves. It is less affected by shock and vibration, making it the valve of choice for transport applications when the road gets rough. The TU’s power element is laser welded, using a technology Danfoss introduced to the manufacturing of refrigeration valves in commercial production. With laser welding, there is much less heat input, ensuring that the integrity of the power element diaphragm is not compromised. The process assures a longer service life of consistent, repeatable performance for the valve. The TU valve has an innovative Precision Port. With a precision-machined cone and orifice, and self-aligning floating push-rod, it achieves a practically frictionless seal. With the wide industry acceptance of the TU valve, Danfoss has used many of its innovations to enhance other valves. Many Danfoss valves, including some solenoid valves, now have the same bimetal connections used on the TU. With copper fused to the inner surface, a bimetal connection allows the valve to be installed in much less time than with a traditional valve. And because there is copper only in the connection, much less heat is conducted by the stainless steel structure to the mechanism inside the valve. To see additional information about the TU valve, click here. |
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