https://youtu.be/C8VLjBnkEcs … [Read more...] about Vacuum & Evacuation
Check out our video on the 2cfm Navac Vacuum Pump to see what it is capable of. https://youtu.be/nhEZg6rzcrE … [Read more...] about 2 cfm Navac Vacuum pump
Watching some very good video reviews of the new TruBlu Hoses and the Fieldpiece VP85, and got into some discussion as to if attaching 1/4" hoses to the sides of the core tools can affect the evacuation. In short, yes it does and the difference is worth noting. Everything you attach to the rig … [Read more...] about Does it Matter what is Attached to Your Evacuation Rig?
Download the free MeasureQUICK™ application! Sorry in advance for the long post, but there is a big audience (technicians, manufacturers, program providers and more) and a lot of questions to answer. In our complete transparent nature, here we go! Exciting times for me, Bobby, and the rest of … [Read more...] about MeasureQUICK HVAC App Open for Beta Testing!
Vacuum leaks have led more than one technician deep down the rabbit hole, wasting hours upon hours, pressurizing the system with nitrogen—or nitrogen and a trace gas—leak testing with electronic leak detectors, and soap bubbles, removing panels to check evaporators, condensers, and other … [Read more...] about Identifying True Leaks in a Vacuum
The purpose of evacuation is degassing and dehydration, which often leads technicians to think that they can simply pull any moisture from the dryer during the evacuation process without the need to change it—a potentially very costly mistake. Let me start by saying we are in the service business, … [Read more...] about Can You Pull Moisture from a Filter Dryer with a Vacuum Pump?
Have you ever wondered why your old refrigerator never needs service, gauges installed, and can run for 30 years that way maybe only needing an occasional cleaning of the condenser? For crying out loud, utilities are buying these old energy hogs through some programs because they never seem to die. … [Read more...] about The Pitfalls of Bad Vacuum Gauge Placement
As a primer to this post, I would not have done the evacuation quite this way, with multiple pulldown and isolations at 500 microns, the goal was to demonstrate the characteristics of a system with moisture and to prove that "hitting 500 microns" is not enough. Hitting 500 microns in no way shape … [Read more...] about Why Hitting 500 Microns is Not Enough!
Anyone that has ever picked up a vacuum pump has asked or been asked this question, and to be truthful it is like asking "How many licks will it take to get to the center of a Tootsie Roll Tootsie Pop?" In the words of the wise old owl, "The world may never know." Modern day evacuation techniques … [Read more...] about How Long Should You Evacuate a System?