The Leybold TRIVAC D 8 B is a high-performance rotary vane vacuum pump designed for demanding industrial applications requiring reliable and efficient vacuum generation. It provides a consistent vacuum across a wide pressure range and is ideal for applications such as process evacuation, chamber evacuation, and vacuum drying.
With its robust design, high efficiency, and low noise level, the TRIVAC D 8 B offers a dependable solution for daily operation. It features long service life, low maintenance costs, and easy handling, making it a cost-effective choice for a wide range of industrial vacuum applications.
TRIVAC D 8 B Technical Data
| Technical Specification | 50 Hz | 60 Hz |
|---|---|---|
| Connection flange, intake side | DN 16 ISO-KF (NW16) | |
| Connection flange, exhaust side | DN 16 ISO-KF (NW16) | |
| Cooling method | Air cooling | |
| Leak rate | 1000 × 10⁻³ mbar·l/s | |
| Pumping speed | 8.5 m3/h | 10.2 m3/h |
| Nominal Rotational Speed | 1500 rpm | 1800 rpm |
| Ultimate pressure | 2000 × 10-3 mbar | |
| Pressure Water Vapour Max | 30.0 mbar | |
| Operating Fluid | LEYBONOL LVO 130 | |
| Noise level | 50 dB(A) | |
Variant Technical Data
| Technical Specification | 11255 | 11256 | 140082 |
|---|---|---|---|
| Power connection | 1Ph 230V 50Hz | 3Ph 200–240/380–400 V 50 Hz 3Ph 200–240/380–480 V 60 Hz |
1Ph 100–115V/210–230V 50Hz 1Ph 100–120/200–240V 50/60Hz |
| Motor power | 370 W | 370 W | 570 W |
| Motor protection class | IP55 | IP55 | IP54 |
| Permissible ambient temperature | +12 to +40°C | +12 to +40°C | +12 to +40°C |
| Dimensions | see dimension sheet | see dimension sheet | see dimension sheet |
| Weight | 25.6 kg | 21.2 kg | 21.2 kg |
Optional Accessories
| Description | Cat. No. |
|---|---|
| Exhaust Filter – AF4/8 DN 16 ISO-KF | 18906 |
| Exhaust Filter AF 8 | 19050 |
| Exhaust Filter with Oil Return AR 4-8 | 18920 |
| Filter Housing FH16 with DN 16 KF Flange | 140116T |
| Condensate Trap AK4/8 DN 16 KF | 18806 |
| Condensate Trap AK 8 | 19060 |
| Oil Drain Tap for TRIVAC Pumps | 19090 |
| Screw-in Flange – Stainless Steel DN 16 ISO-KF / M16 x 1.5 | 16840V01 |
| Oil Filter System OF 4-25 | 10191 |
| Oil Filter System CF 4-25 | 10196 |
| Power Cable Euro Schuko | E20081091 |
| Replacement Power Cable BS1363 UK | E20081097 |
| Power Cable CH Plug | E20081099 |
| Replacement Cable NEMA | E20081141 |
| Power Cable NEMA | E20081090 |
Spare Parts
| Description | Order No. |
|---|---|
| Shaft seal replacement kit TRIVAC S/D 4-8 B | EK110002631 |
| Small maintenance kit (without oil) TRIVAC S/D 8 B | EK110002627 |
| Small parts kit TRIVAC S/D 4-8 B | EK110002634 |
| Gasket set TRIVAC S/D 4-8 B | 19720 |
| Internal unit complete TRIVAC D 8 B | E20010991 |




