What's Inside a TXV? How Does a Thermostatic Expansion Valve Work? Video

In this HVACR Training Video, I show How a TEV/TXV Works and How the Thermostatic Expansion Valve Controls Superheat across the Evaporator. Three Pressures are Applied to the TXV and I cut apart several TXVs to show the single rod and pin, two rods, balanced port, bleed port, sealed powerhead, bulb, adjustment for spring pressure, external equalizer, and more! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety
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Timecodes

0:00 - Introduction and What is Covered
0:39 - How a TXV Takes Measurements and Controls the Superheat at the Evaporator
4:06 - Explaining The Internal Parts of the TXV and How it Functions, Balanced Port TXV Explained
6:23 - External Equalization Line
6:50 - TXV Bulb Head Diaphragm
7:33 - How an Adjustable Spring Pressure for TXV Works
8:38 - TVX Bulb, Capillary Tube, and Head Designs
9:34 - 2 Rod TXV and Pin Assembly Explained
10:24 - TXV Bleed Port and Pressure Equalization
10:48 - TXV Bypass in Heating Mode and Check Valve
11:55 - HVAC Refrigerant Charging Book, Workbook, Quick Cards, Website
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⚠️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
#hvacr #hvacr #hvactrainingvideos #hvactraining #hvactraining101 #acservice #acservicetech #TEV #TXV #thermostaticexpansionvalve #valve
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