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Technical Tips & Information
Vacuum and Compressed Air Tips
Enclosed is an assortment of tips and hints for application in vacuum and compressed air systems.1. The term “pressure” usually refers to absolute pressure. Full vacuum is equal to zero.
2. The term “vacuum” usually refers to relative gauge pressure where atmospheric pressure is equal to zero.
3. Maximum pressure drop through a pipe in a system should not exceed 10% of the absolute pressure (add 14.7 to gauge pressure) from the point of source to point of use. Higher pressure drops cost you energy and system efficiency.
4. To find a leak in vacuum piping, try placing Saran or other sticky plastic wrap around the pipe joints. Watch to see if the wrap draws in tighter due to the leak being sealed.
5. For every 18 F over 210 F, oil life is reduced by one half.
6. It costs about $333.00 per year to operate a one horsepower running 100% of the time at a cost of electricity of $.05 per kwh.
7. An oil leak of about one drop every two minutes is equal to one quart every 39.5 days or 2.3 gallons per year.
8. To reduce the absolute operating pressure by half requires twice the pump capacity.
9. To pump the same load in half the time requires twice the pump capacity.
We carry a full selection of rotary vacuum pumps, rotary air compressors, and blowers as offered by Becker, Busch, Gast and Rietschle. We also offer complete repair service, filters, vanes and parts.