News
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Refrigeration Tools & Refrigeration Vacuum Pump
2010-12-14
2010-12-14
A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. A refrigeration vacuum pump is a device used to purge air conditioning and refrigeration (AC/R) systems of contaminants such as moisture and air.
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How Refrigeration tools work
2011-01-19
2011-01-19
A Refrigeration Vacuum Pump is modified in three respects. The bypass line which runs between the charging house and the check valve must be cut off and the ends sealed. The pump will then produce a vacuum of one millimeter if the check valve is open and the strainer is not wet with oil.
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Tips on safely handling refrigerants-refrigeration tools
2011-02-16
2011-02-16
Poly Run Enterprise products including refrigeration tools,vacuum pump, Refrigerant Recovery Machine, service manifolds & gauges, charging hose, tubing tool
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Refrigeration Tools-Refrigerant Safety
2011-03-03
2011-03-03
The U.S. Environmental Protection Agency (EPA) cites environmental preservation as its motivation for the high degree of regulation in the air conditioning industry.
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Refrigeration Tools-Vacuum pump and vacuum gauge
2011-03-10
2011-03-10
In order to perform a sufficient evacuation a good vacuum pump must be available
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Evacuation of refrigerating system
2011-03-24
2011-03-24
When a refrigeration system is assembled it must be carefully evacuated (remove air from the system), before it is charged with refrigerant. This is necessary to achieve a good repair result. The main purpose of the evacuation is to reduce the amount of non-condensable gasses (NCG) in the system, and secondarily a limited drying will take place.