Gas ballast
Auto antisuck back valve
Gear pump
Integrated pump body structure
Model | VRD-4 | VRD-8 | VRD-16 | VRD-24 | ||||
---|---|---|---|---|---|---|---|---|
|
4(1.1) | 8(2.2) | 16(4.4) | 24(6.6) | ||||
4.8(1.3) | 9.6(2.6) | 19.2(5.2) | 28.8(7.9) | |||||
Ultimate partial pressure gas ballast close | 5×10-2 Pa | 5×10-2 Pa | 4×10-2 Pa | 4×10-2 Pa | ||||
Utimate total pressure gas ballast close | 5×10-1 Pa | 5×10-1 Pa | 4×10-1 Pa | 4×10-1 Pa | ||||
Utimate total pressure gas ballast open | 10 Pa | 10 Pa | 8×10-1 Pa | 8×10-1 Pa | ||||
Power supply | Single/Three-Ph | |||||||
Power rating | 0.4/0.37 kW | 0.4/0.37 kW | 0.55 kW | 0.75 kW | ||||
Level of protection | IP44 | |||||||
Intake and exhaust | KF16/25 | KF16/25 | KF25 | KF25/40 | ||||
Oil capacity | 0.6~1.0 L | 0.6~1.0 L | 0.9~1.5 L | 1.3~2.0 L | ||||
Motor speed (50/60Hz) | 1440/1720 rpm | |||||||
Ambient temperature | 10-40℃ | |||||||
Noise level (50Hz) | ≤ 52dB | ≤ 52dB | ≤ 58dB | ≤ 58dB | ||||
Weight | 19 kg | 21 kg | 30 kg | 35 kg | ||||
Dimension (L×W×H)mm | 440x144x217 | 440x144x217 | 530x188x272 | 567x188x272 |