To achieve optimal quenching results, many customers are opting for vacuum gas-quenching furnaces featuring a top-and-bottom alternating gas-flow design, replacing conventional duct-based models. In these furnaces, the cooling medium alternates between top-in/bottom-out and bottom-in/top-out flows, ensuring rapid and uniform cooling. The heating chamber features a specialized design with enhanced sealing capabilities, allowing the unit to also serve as a high-quality tempering furnace.

SIMUWU’s RVGQ-7710 vacuum gas quenching furnace also features a top-and-bottom opposing gas flow design; its specific technical specifications are as follows:
| Furnace Type | Horizontal type,single chamber, internal recycle |
| Loading method | Front Loading |
| Max. Loading size | 700×700×1000 (W×H×L mm) |
| Max. Loading weight | 2500 kg (including jig) |
| Power supply | 3 Phase, 380V(±5%); 50Hz |
| Total power | 350kw |
| Heating power | 300kw |
| Cooling fan motor power | 220kw |
| Max.design temperature | 1350℃ |
| Working temperature | 500-1250℃ |
| Temperature uniformity | 9 points temp testing ±5℃ |
| Temperature control accuracy | S Type thermocouple ≤ ±1℃ |
| Quantity of heating zones | 1 Zone |
| Heating element | High purity graphite |
| Heating rate(The room temperature of the empty furnace rises to 1200℃) | ≤ 60 min |
| Ultimate vacuum | 8.0 x 10-4 Pa |
| Working vacuum | 8.0 x 10-3 Pa |
| Pressure rising rate(cold empty furnace condition) | ≤ 0.67 Pa/h |
| Cooling method | Gas cooling/Natural cooling |
| Cooling air | Nitrogen or Argon (purity: 99.99% or 99.999%) |
| Cooling rate(empty furnace 1100℃~150℃) | ≤ 15 min |
| Max charging pressure(absolute pressure) | ≤ 6 bar (absolute pressure-adjustable) |
| Convection heating | Furnace door stirring fan |
| Temperature control mode | Intelligent programmable temperature controller for automatic temperature control |
| Control mode | PLC automatic / manual control interlock protection |
| Equipment color | Customized |

Should you have any technical questions or requests, please feel free to contact us at any time; we are dedicated to serving you.