YCB series circular arc gear oil pump is applicable for conveying non-corrosive lubricating oils free of solid particles and fibers, or liquids with properties similar to those of lubricating oils. The pump employs a double-arc sine-curve tooth profile, whose significant advantage is the absence of relative sliding between the tooth surfaces during meshing, unlike with involute gears, which design departs from traditional approaches and brings gear pumps into a new era in design, manufacturing, and application.

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| Model | Flow (m³/h) |
Pressure (Mpa) |
Rev (rpm) |
Npshr (m) |
Frequency (hz) |
| YCB0.6-0.6 | 0.6 1.0 0.7 1.2 |
0.6 | 910 1390 1130 1710 |
5.5 | 50 50 60 60 |
| YCB0.6-1.6 | 0.6 1.0 0.7 1.2 |
1.6 | 910 1400 1130 1710 |
7.0 | 50 50 60 60 |
| YCB1.6-0.6 | 1.6 2.5 1.9 3.0 |
0.6 | 910 1400 1130 1710 |
5.5 | 50 50 60 60 |
| YCB1.6-1.6 | 1.6 2.5 1.9 3.0 |
1.6 | 940 1440 1150 1750 |
7.0 | 50 50 60 60 |
| YCB3.3-0.6 | 3.3 5.0 4.0 6.0 |
0.6 | 940 1420 1150 1730 |
5.0 | 50 50 60 60 |
| YCB3.3-1.6 | 3.3 5.0 4.0 6.0 |
1.6 | 960 1440 1170 1750 |
7.0 | 50 50 60 60 |
| YCB4-0.6 | 4.0 6.0 4.8 7.2 |
0.6 | 940 1420 1150 1730 |
5.0 | 50 50 60 60 |
| YCB4-1.6 | 4.0 6.0 4.8 7.2 |
1.6 | 960 1440 1170 1750 |
7.0 | 50 50 60 60 |
| YCB8-0.6 | 8.0 12.0 9.6 14.4 |
0.6 | 960 1440 1170 1750 |
5.0 | 50 50 60 60 |
| YCB8-1.6 | 8.0 12.0 9.6 14.4 |
1.6 | 970 1460 1170 1760 |
7.0 | 50 50 60 60 |
| YCB10-0.6 | 10.0 15.0 12.0 18.0 |
0.6 | 960 1440 1170 1750 |
5.0 | 50 50 60 60 |
| YCB10-1.6 | 10.0 15.0 12.0 18.0 |
1.6 | 970 1470 1170 1770 |
7.0 | 50 50 60 60 |