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Heavy-Duty Oil-Free Rotary Vane Pump Bvf140 High-Capacity Vacuum & Blower for Industrial Lines. Oil-Free Design: Dry rotary vane pump ensures clean operation without oil contamination. High Vacuum Performance: Achieves vacuum limit of -0.6 Bar with stable operation. Low Noise Operation: Acoustic level is only 78 Db(a) at 1 meter distance. Durable Construction: Core made of ductile cast iron with carbon-graphite composite vanes. Long Service Life: Whole pump can be used for at least 8 years without major issues. Maintenance-Free Reliability: Built for dynamic stability with low vibration and easy installation. Customizable Branding: Free logo printing available for bulk orders via OEM/ODM services.