Regarding the use of a refrigerant compressor for vacuum veneering…what kind of compressor (refrigerator, freezer, etc.) works best and what brand should I look for?
Each refrigerant compressor is different. Some compressors won’t be able to pull the amount of Hg you’ll need to do the veneering. The brand and size of the compressor is no indication of its speed of air evacuation or its maximum vacuum pressure. The only way to tell is to rig a vacuum gauge to it and see. Also, some refrigerant compressors can restart under pressure and some can not. My experience is that most will restart under pressure. Again, you’ll need to test this out for your individual unit. To incorporate a refrigerant compressor into a system, you’ll use the basics of the instructions found by clicking here. The only tricky connection is getting the copper tubing on the compressor to fit to a standard NPT thread. You’ll still need the vacuum reservoir, gauge, tubing, vacuum controller, and some other miscellaneous stuff too. Information from James Redmon and Tim Cook (click here for more) “It seems that the newer compressor units (short barrel shaped ones) do not stand up t
Each refrigerant compressor is different. Some compressors won’t be able to pull the amount of Hg you’ll need to do the veneering. The brand and size of the compressor is no indication of its speed of air evacuation or its maximum vacuum pressure. The only way to tell is to rig a vacuum gauge to it and see. Also, some refrigerant compressors can restart under pressure and some can not. My experience is that most will restart under pressure. Again, you’ll need to test this out for your individual unit. To incorporate a refrigerant compressor into a system, you’ll use the basics of the instructions found by clicking here. The only tricky connection is getting the copper tubing on the compressor to fit to a standard NPT thread. You’ll still need the vacuum reservoir, gauge, tubing, vacuum controller, and some other miscellaneous stuff too. Information from James Redmon and Tim Cook (click here for more) “It seems that the newer compressor units (short barrel shaped ones) do not stand up t
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