Leybold D8 D8B Trivac Rotary Vane Dual Stage Mechanical Vacuum Pump, PN: 140082

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The Leybold D8 D8B Trivac is a durable vacuum pump with a superior vapor handling capability. The Leybold D8B dual stage rotary vane mechanical vacuum pump offers an excellent ultimate pressure of 1×10-4 Torr. These pumps are commonly used for vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, space research, and other vacuum processes. These Leybold D8 D8B vacuum pumps have a pumping speed displacement of 6.9 CFM. This pump comes with a manufacture warranty. Parts, oils and accesories for this pump are located on this website.

Category:
TRIVAC D4 B TRIVAc D8 B
50 Hz 60 Hz 50 Hz 60 Hz
Nominal pumping speed 1) m3/h(cfm) 4.8(2.8) 5.8(3.4) 9.7(5.7) 11.6(6.9)
Pumping speed 1) m3/h(cfm) 4.2(2.5) 5(3) 8.5(5) 10.2(6)
ultimate partial pressure
without gas ballast 1)		 mbar(Torr) 10-4(0.75 x 10-4)
Ultimate total pressure
without gas ballast 1		 mbar(Torr) <2×10-3(<1.5×10-3)
Ultimate total pressure
with gas ballast 1)		 mbar(Torr) <5×10-3(<3.8×10-3)
Water vapor tolerance 1) mbar(Torr) 30(22.5) 25(18.8)
Water vapor capacity gm/h 93 157
Oil filling, min/max. l(qt) 0.3/0.8(.3/.85) 0.3/0.9(.3/.95)
Noise level * to DIN 45 635,
withoutwith gas ballast		 dB(A) 50/52
Admissible ambient temperature °C(°F) 12-40(54-104)
Motor rating* W(HP) 370(.50)
Nominal speed rpm 1500 1800 1500 1800
Type of protection IP 54
Weight* kg(lbs) 18.7(41.2) 21.2(46.7)
connections, Intake and Exhaust DN 16 KF

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