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  1. Help Center
  2. FREE Preview Skills Training Simulation
  3. HVAC Welcome Assessment
  4. Residential A/C Troubleshooting - 3D/VR Simulation
  5. What is HVAC?
  6. HVAC Systems
  7. HVAC System Parts
  8. NATE Ready-to-Work Exam Prep
  9. Introduction to Refrigeration Systems
  10. Temperature, Pressure, and Heat
  11. Basic HVAC Tools
  12. Leak Check and Evacuation
  13. Charging Part 1: Tools and Rules
  14. Charging Part 2: Subcooling and Superheat
  15. HVAC Safety Basics
  16. Evaporators and Condensers
  17. Metering Devices
  18. Intro to Heat Pumps
  19. Compressors
  20. Intro to Chillers
  21. HVAC Maintenance
  22. HVAC Ducting and Airflow
  23. HVAC Technicians
  24. HVAC Supplies

Participants 2859

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Interplay Learning Metering Devices
Lesson 17 of 24
In Progress

Metering Devices

Garima December 8, 2020

The Metering Device course explores the multitude of regulating valves in an HVAC system. The thermostatic expansion valve, TEV will be introduced and you will learn how it adjusts to maintain superheat. You will learn to identify valve types and discover how they are fitted to a pipe, as well as, differences in external and internal pressure equalization. Discover TEV bulbs and their roles in regulating superheat within the system, along with proper placement and methods for installation. Learn the unique model codes for some common manufactures and the functions of several different kinds of metering devices.

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