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| Brand | Yiheng |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Models | VB-20 / VB-40 / VB-65 |
| Pricing Range | USD 1,050 – 2,400 (FOB) |
| Pump Type | Diaphragm Vacuum Pump |
| Oil-Free Design | Yes |
| Ultimate Vacuum | 15–20 mbar (abs) |
| Pumping Speed | 20 L/min (VB-20), 40 L/min (VB-40), 65 L/min (VB-65) |
| Motor Power | 120 W / 240 W / 400 W |
| Net Weight | 9.6 kg (VB-20), 11.2 kg (VB-40), 13.8 kg (VB-65) |
| Dimensions | See Technical Datasheet |
| Certifications | CE, ISO 9001, RoHS Compliant |
| Brand | Yiheng |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Pump Type | Circulating Water Vacuum Pump |
| Oil Requirement | Oil-Free (Water-Sealed) |
| Ultimate Vacuum | –0.098 MPa (2 kPa abs) |
| Pumping Speed (per head) | 10 L/min |
| Dual-Head Configuration | Yes |
| Flow Rate | 80 L/min |
| Head | 10 m |
| Water Tank Capacity | 15 L |
| Tank Material | Polypropylene (PP) |
| Dimensions (W×D×H) | 385 × 280 × 420 mm |
| Weight | 11 kg |
| Motor Power | 180 W |
| Voltage/Frequency | 220 V / 50 Hz |
| Safety Feature | Integrated Check Valve |
| Chemical Resistance | Acid-, alkali-, and solvent-resistant |
| Noise Reduction | Fluid-damped silencer |
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