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Dry

PTB Sales can provide both rebuilt and new vacuum pumps, as well as provide service to match your needs.

Dry vacuum pumps (dry lobe, or hook and claw pumps) are essentially multi stage rotary lobe pumps that utilize elaborate techniques to isolate the oil-lubricated gears from the pumping surfaces. These pumps are ideal for "dry" applications that require higher pumping speed and throughput. Dry lobe and hook and claw pumps have pumping speeds up to 200 cfm and reach ultimate pressures of up to 5 x 10-4 Torr.

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