LEYBOLD D4B Trivac Vacuum Pump for Sale

Leybold Trivac Vacuum Pump D4B

**Unit has been tested as far as we could. Unit has missing Power Cord. See photos for further details.

Leybold TRIVAC B vacuum pumps are designed for reliability and long service-life in mind. Directly linked to the motor via an elastic coupling element to ensure that the pump runs evenly and smoothly. With a type B 14 flanged motor screwed to the housing of the coupling. All pumps include a gas ballast valve as well as an inner section which may be exchanged without special tools or any special knowledge.

Trouble-free operation even at 1000 mbar intake pressure is ensured by a built-in oil pump, providing force-feed lubrication of the bearings from where a minimum amount of lubricant is fed to the compression and expansion chambers to ensure lubrication of the sliding vanes. To minimize surface corrosion all components are protected by eliminating non-ferrous metals. The oil box, intake and exhaust line are made of aluminum and only solvent-resistant sealing materials are employed.

Environment-friendly
Low noise
Low vibration
Modern vacuum technology
High pumping speed right down to the ultimate pressure
Low ultimate pressure, even with gas ballast
High water vapor tolerance
Continuous operation right up to 1000 mbar
Built-in oil pump, force-feed lubrication sliding bearing
Minimal inherent air intake
Compact, air cooled
Handy, retractable handle
All controls and oil level check on the front side
Either horizontal or vertical intake and exhaust port
Pressure-controlled anti-suckback valve
Shaft seals and O-rings are all made of elastomer FPM

Specifications
50 Hz60 Hz
Nominal pumping speed m3 x h-1 (cfm)4.8 (2.8)5.8 (3.4)
Pumping speed m3 x h-1 (cfm) 4.2 (2.5)5 (3)

Ultimate partial pressure without gas ballast
mbar (Torr)
10-4(0.75 x 10-4)
10-4(0.75 x 10-4)

Ultimate total pressure without gas ballast
mbar (Torr)
< 2 x 10-3(< 1.5 x 10-3)
< 2 x 10-3(< 1.5 x 10-3)

Ultimate total pressure with gas ballast
mbar (Torr)
< 5 x 10-3(< 3.8 x 10-3)
< 5 x 10-3(< 3.8 x 10-3)

Water vapor tolerance mbar (Torr) 30 (22.5) 30 (22.5)
Water vapor capacity g/h 9393
Oil filling, min. / max.l (qt) 0.3 / 0.8 (0.3 / 0.85) 0.3 / 0.8 (0.3 / 0.85)
Noise level 2) to DIN 45 635, without / with gas ballast
dB(A)
50 / 52
50 / 52

Admissible ambient temperature C (F)12 - 40 (54 - 104) 12 - 40 (54 - 104)
Motor rating W (HP) 370 (0.50) 370 (0.50)
Nominal speed rpm 1500 1800
Type of protection IP5454
Connections, Intake and Exhaust DN16 KF16 KF

Additional Prep Fees May Apply