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Manufacturer Refurbished – 12 Month Warranty
The TRIVAC D 40 B is part of Leybold’s well-proven TRIVAC B series of dual-stage rotary vane vacuum pumps. Designed for reliable operation in industry and research, it delivers stable pumping performance in rough and medium vacuum ranges and is ideal as a backing pump for Roots, turbomolecular or diffusion pumps.
According to the technical data table (page 8):
Technical Specifications
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Nominal pumping speed: 46.0 m³/h
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Effective pumping speed: 40.0 m³/h
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Ultimate partial pressure (without gas ballast): < 1 × 10⁻⁴ mbar
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Ultimate total pressure (with gas ballast): < 5 × 10⁻³ mbar
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Water vapor tolerance: 1185 g/h
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Oil filling (min./max.): 1.7 / 2.6 liters
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Motor power: 2200 W
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Connection ports: DN 40 ISO-KF
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Weight: 72.5 kg
Key Advantages
✔ Dual-stage rotary vane design
✔ Built-in oil pump with forced lubrication
✔ Integrated anti-suckback valve
✔ Gas ballast valve for improved vapor handling
✔ Continuous operation up to 1000 mbar (with external oil mist filter)
✔ Compact air-cooled construction
✔ IP54/IP55 motor protection
✔ Low noise and low vibration
Typical Applications
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Vacuum coating systems
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Metallurgy and furnaces
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Research & development laboratories
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Freeze drying systems
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Vacuum drying cabinets
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Backing pump for high vacuum systems
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Leak detection systems
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Automotive and analytical engineering
Certified Manufacturer Refurbished
This TRIVAC D 40 B is a Leybold factory-refurbished certified pump, completely overhauled and tested according to original manufacturer standards.
✔ Genuine Leybold spare parts
✔ Fully inspected pumping module
✔ Tested anti-suckback and gas ballast systems
✔ 12-month comprehensive manufacturer warranty
A cost-effective alternative to new equipment while maintaining original factory performance and reliability.