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ROTARY VANE Rotary vane vacuum pumps are oil sealed pumps used for pumping clean, dry, non-reactive gases. Since oil is used as it's sealant/lubricant the practical vacuum limitation is around 5 Torr. These pumps are usually air-cooled, direct-drive 1750 rpm pumps with a small footprint for space savings. Reliability is average with regular oil changes and periodic vane/filter changes required to keep maximum up-time. Pricing is very moderate given the vacuum they produce.
Two-stage rotary vane pumps ULTRA-VAC (BEST VALUE)
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