Author Archives: admin

Oil sealed vacuum pumps such as vane and piston pumps can tolerate a certain amount of water and other condensable vapors such as alcohols, acetone, and solvents. For the integrity of the sealant oils, and to achieve a good vacuum … Continue reading →

Helium leak detectors (HLDers) are single gas mass spectrometer devices. They are tuned to detect the presence of helium and also have the capability of measuring a leak or verifying the absence of a leak to a given value. Helium … Continue reading →

Yes, the vacuum pump world has been confusing recently. The short story is there has been much consolidation, name changing, and company purchases within the last 10 years. Many of the purchased companies are companies with 60 to a 100 … Continue reading →

Years ago, when web pages were a new concept, Provac Sales was one of the first companies to post a listing of products and services. Years later, after thousands of visits, this web page was looking outdated.  Working with a … Continue reading →

Provac Sales, Inc buys, sells and services vacuum pumps. We are also a manufacture’s representative and authorized distributor for Tuthill Vacuum & Blower Systems and Inland Vacuum, having maintained these relationships since our inception. We maintain a large inventory of … Continue reading →