Parameter of VRD 4-90 Dual-Stage Rotary Vane Vacuum Pump
| Model | VRD-4 | VRD-8 | VRD-16 | VRD-24 | VRD-30 | VRD-48 | VRD-65 | VRD-90 | |
| Displacement speed m³/h(L/s) | 50Hz | 4(1.1) | 8(2.2) | 16(4.4) | 24(6.6) | 30(8.3) | 48(13.3) | 65(18) | 85(23.6) |
| 60Hz | 4.8(1.3) | 9.6(2.6) | 19.2(5.2) | 28.8(7.9) | 36(9.9) | 57.6(16) | 78(21.6) | 102(28.3) | |
| Ultimate partial pressure without gas ballast(Pa) | 5x10⁻² | 5x10⁻² | 4X10⁻² | 4X10⁻² | 4x10⁻² | 4X10⁻² | 4X10⁻² | 4X10⁻² | |
| Ultimate total pressure without gas ballast(Pa) | 5x10⁻¹ | 5x10⁻¹ | 4X10⁻¹ | 4X10⁻¹ | 4X10⁻¹ | 4X10⁻¹ | 4X10⁻¹ | 4X10⁻¹ | |
| Ultimate total pressure with gas ballast (Pa) | 10 | 10 | 8x10⁻¹ | 8x10⁻¹ | 8x10⁻¹ | 1.5 | 1.5 | 1.5 | |
| Power Supply | Single/3-ph | Single/3-ph | Single/3-ph | Single/3-ph | Single/3-ph | 3-ph | 3-ph | 3-ph | |
| Power rating (kW) | 0.4/0.37 | 0.4/0.37 | 0.75/0.55 | 1.1/0.75 | 1.1 | 1.5 | 2.2 | 3 | |
| Intake and exhaust DN (mm) | KF16/25 | KF16/25 | KF25 | KF25/40 | KF25/40 | KF40 | KF40 | KF40 | |
| Oil Capacity (L) | 0.6~1 | 0.6~1 | 0.9~1.5 | 1.3~2.0 | 1.3~2.0 | 3.3~4.5 | 3.3~4.5 | 3.3~4.5 | |
| Motor speed (rpm) | 50Hz | 1440 | 1440 | 1440 | 1440 | 1440 | 1440 | 1440 | 1440 |
| 60Hz | 1720 | 1720 | 1720 | 1720 | 1720 | 1720 | 1720 | 1720 | |
| Ambient temperature | 10~40℃ | 10~40℃ | 10~40℃ | 10~40℃ | 10~40℃ | 10~40℃ | 10~40℃ | 10~40℃ | |
| Noise level (dB) 50Hz | ≤52 | ≤52 | ≤58 | ≤58 | ≤58 | ≤62 | ≤62 | ≤65 | |
| Weight(kg) | 19 | 21 | 30 | 35 | 43 | 62 | 65 | 65 | |
