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| Brand | Hefei Kejing |
|---|---|
| Model | VGB-2Y |
| Main Chamber Dimensions | 875 × 480 × 500 mm (L×W×H) |
| Airlock Chamber Dimensions | 230 × 230 × 230 mm (L×W×H) |
| Main Chamber Pressure Control Range | 95–101 kPa (default), min. 90 kPa (warning threshold) |
| Airlock Chamber Max Pressure | 10 kPa |
| Vacuum Gauges | Dual digital gauges (main chamber & airlock) |
| Valves | 2 solenoid valves + 1 manual valve (main chamber) |
| Power Supply | AC 110–220 V |
| Net Weight | 25 kg |
| Overall Dimensions | 1150 × 500 × 500 mm (L×W×H) |
| Construction Material | Polycarbonate viewing panels |
| Compliance | Designed for inert atmosphere handling per ISO 14644-1 Class 5 cleanroom-compatible operation |
| Optional Sensor Ports | 2 standard NPT 1/4" threaded ports in main chamber |
| Brand | Kejing |
|---|---|
| Model | VGB-4 |
| Construction | 304 Stainless Steel |
| Chamber Dimensions (W×D×H) | 800 × 600 × 700 mm |
| Antechamber Diameter × Length | 280 × 350 mm |
| Glove Port Diameter | 145 mm |
| Operating Pressure Range | 64–110 kPa (483–825 Torr) |
| Pressure Control Accuracy | ±0.8 kPa (±6 Torr) |
| Antechamber Ultimate Vacuum | ≤0.05 Torr (≤0.067 mbar) |
| Main Chamber Ultimate Vacuum | ≤0.5 Torr (≤0.67 mbar) |
| Positive Pressure Limit | ≤111.5 kPa (≤1.1 atm) |
| Inert Gas Retention Time | >12 h |
| Net Weight | 110 kg |
| External Footprint (W×D×H) | 1200 × 1200 × 1000 mm |
| Power Supply | AC 220 V, 50 Hz |
| Integrated Components | Digital Pressure Controller, Piezoresistive Pressure Sensor, Dual Solenoid Valves, Vacuum & Gas Inlet Interfaces |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Model | VGB-6 |
| Chamber Volume | 3600 × 900 × 1000 mm (L × H × W) |
| Construction Material | 304 Stainless Steel (3 mm thickness) |
| Viewing Window | Dual-layer tempered glass |
| Glove Ports | Hard-anodized aluminum |
| Large Transfer Chamber | Ø360 × 600 mm |
| Small Transfer Chamber | Ø100 × 300 mm |
| Gas Purification | Regenerable 304 stainless steel columns for H₂O and O₂ removal (<1 ppm residual) |
| Purification Capacity | 1.3 kg H₂O / 30 L O₂ |
| Pressure Control Range | ±12 mbar (PLC-controlled) |
| Circulation System | Oil-free, vacuum-rated stainless steel loop (DN40) with microprocessor regulation |
| Regeneration Gas | 5–10% H₂ in working gas (N₂/Ar/He) |
| Vacuum Pump | Original equipment, 8 m³/h flow rate |
| Power Supply | 220 V AC, 50 Hz, single-phase |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Model | VGB-2 |
| Acrylic Thickness | 6 mm |
| Side Door Diameter | 400 mm |
| Antechamber Dimensions | 240 mm × 240 mm (Door Opening: Ø230 mm) |
| Glove Port Diameter | 150 mm |
| Vacuum Gauges | Dual Analog Vacuum Gauges (Chamber & Antechamber) |
| Vacuum Isolation Valves | Separate Manual Shut-off Valves for Chamber and Antechamber |
| Antechamber Ultimate Vacuum | ≤0.1 mbar |
| Chamber Atmosphere | Inert Gas Purged (N₂ or Ar), No Vacuum Capability Due to Acrylic Structural Limitations |
| Net Weight | 21 kg |
| External Dimensions | 1000 mm (L) × 500 mm (W) × 500 mm (H) |
| Packaging Dimensions | 1524 mm × 864 mm × 711 mm (60" × 34" × 28") |
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