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Leybold Trivac D 40 B

Leybold Two-stage Rotary Vane Vacuum Pump

We are offering a Leybold two-stage rotary vane vacuum pump.
The TRIVAC B series are oil-sealed rotary vane vacuum pumps.

The oil injected into the compression chamber serves for sealing, lubrication, and cooling purposes.

The pump body is assembled from individual components without sealing elements.

These components are doweled for easy disassembly and reassembly.


Final pressure: 2 x 10⁻³ mbar
Motor: 3-phase, 230/400 V, 50/60 Hz
Pumping speed (50 Hz): 40 m³/h
Pumping speed (60 Hz): 48 m³/h

Environmentally Friendly:
- Quiet
- Vibration-free operation
- Energy efficient

Energy Efficient:
- Low power consumption
- Minimal heat emission

Modern Vacuum Technology:
- High pumping speed down to ultimate pressure
- Very low ultimate pressure, even with gas ballast
- High water vapor tolerance
- Suitable for continuous operation at up to 1000 mbar
- Built-in oil pump, force-lubricated slide bearings
- Minimal air intake
- High leak tightness (suitable for 4He)

Technical Data:
Product: TRIVAC D 40 B
Inlet flange: DN 40 ISO-KF
Outlet flange: DN 40 ISO-KF
Nominal pumping speed at 50 Hz: 46.0 m³/h
Nominal pumping speed at 60 Hz: 55.0 m³/h
Actual pumping speed at 50 Hz: 40.0 m³/h
Actual pumping speed at 60 Hz: 48.0 m³/h
Ultimate partial pressure without gas ballast: 1.0 x 10⁻⁴ mbar
Ultimate total pressure without gas ballast: < 2.0 x 10⁻³ mbar
Ultimate total pressure with gas ballast: < 5.0 x 10⁻³ mbar
Water vapor tolerance at 50 Hz: 40.0 mbar
Water vapor tolerance at 60 Hz: 40.0 mbar
Water vapor capacity at 50 Hz: 1,184 g/h
Water vapor capacity at 60 Hz: 1,184 g/h
Operating fluid volume:
- min.: 1.7 l
- max.: 2.6 l
Sound level according to DIN 45 635:
- without gas ballast: 57 dB(A)
- with gas ballast: 59 dB(A)
Power supply:
- 3-phase, 200 / 200-240 / 380-400 V ±10%, 50 Hz
- 3-phase, 200-240 / 380-480 V ±10%, 60 Hz
Motor power: 2.2 kW
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Motor speed at 50 Hz: 1,430 rpm
Motor speed at 60 Hz: 1,735 rpm
Motor protection rating: IP 55
Permissible ambient temperature: +12°C to +40°C
Weight: 73.0 kg

Type: Trivac D 40 B
Condition: used
Scope of supply: (see image)
(Specifications and details are subject to change and correction!)
Should you have any further questions, we will be pleased to assist you by phone.

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