The QS5 Vacuum Pump is a two-stage, rotary vane pump with 5-cfm rated displacement for ultimate vacuum down to 15 microns. It is designed for quick, deep evacuation, as well as affordability and ...

In principle, industrial vacuum pumps are merely compressors run with the inlet attached to the vacuum system and the outlet open to exhaust. In smaller sizes, compressors and vacuum pumps are often ...

If this isn't your first time around the block building a vintage street machine or muscle car, you know at some point you'll get to the fork in the road where you either make a concession in the ...

Any time the internal piping or components of a refrigeration system are exposed to atmospheric air, they must be completely evacuated before refrigerant can be added into the system. Proper ...

We may receive a commission on purchases made from links. HVAC professionals need a good vacuum pump to evacuate air, moisture, and contaminants from refrigerant lines before recharging older systems ...

It all began with a cheap Chinese rotary vane vacuum pump and a desire to learn the witchcraft of DIY vacuum tubes. It ended with a string of successes – a working vacuum chamber, light bulbs, glow ...