DEEP EVACUATION ON A GROCERY STORE RACK: Multiple large hoses coupled directly to a high-cfm pump is the easiest way to pull down a refrigeration rack. February 25, 2019 Evacuation is often called ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Monte Sereno, Calif. It sounds like your ...

Refrigerant and oil are the only two residents allowed to exist in a refrigerant system. The refrigerant process — liquid to vapor to superheated vapor to superheated gas and back to liquid — will not ...

In vacuum hold-down applications, suction is created by using vacuum to move air in the opposite direction of the component being held in place. When air is removed beneath the part or component, the ...

THE mercury filled McLeod gauge presents so far the best absolute instrument and is widely used in the range of low pressures. The presence of mercury vapour in the vacuum system from the gauge itself ...

We don’t know how [Ben Krasnow] gets his hands on so much cool hardware. This time around is a bit of vintage tech: a thermocouple vacuum gauge. The part seen above, and represented in the schematic, ...