Horizontal double-chamber vacuum furnace type 20.0VPT-GQ
2 units!
General Information:
/ Double-chamber vacuum furnace with nitrogen/argon gas quenching at 19 bar pressure
/ Manufacturer: SECO/WARWICK
/ Year of manufacture: 2012 and 2014 (two units)
/ Location – Germany
/ Furnaces in operation – full manufacturer service history available
/ Furnace testing available upon prior arrangement
/ We offer relocation and installation of the equipment at the final destination
Technical Data
| Maximum operating temperature | 1300°C |
| Maximum safety temperature | 1200°C |
| Temperature uniformity in the furnace effective working zone | within the range of 450-1150°C in vacuum +/-5°C |
| Evacuation time for the empty furnace from atmospheric pressure | to a vacuum of 10-5 mbar max. 40 min |
| Ultimate vacuum using the pump set: | mechanical pump, Roots pump: 5×10-2 mbar |
| leak rate (pressure rise measurement from 1 x 10-4 mbar) 1×10-3 mbar xl/s | |
| Furnace | |
| Furnace weight | 28000 kg |
| Maximum gross load weight | 600 kg |
| Casing | |
| Material | carbon steel |
| Volume: | |
| – cooling chamber | 3.6 m3 – cooling chamber door closure: hydraulic actuator – third clamping ring – maximum operating pressure in the cooling chamber 19.0 bar (20.0 bar abs.) |
| – heating chamber | 4.0 m3 – chamber casing material: carbon steel – chamber insulation material: graphite board + graphite felt – dimensions of the effective hot zone (WxHxL) 600 x 600 x 900 mm |
| Heating system | |
| Heating element material | graphite ISO-63 |
| Heating element power | 150 kW |
| Number of heating zones | 1 |
| Arrangement of heating elements around the load | |
| Pumping system | |
| Mechanical pump | SV300B – Leybold |
| Capacity | 300 m3/h |
| Motor power | 5.5 kW |
| Roots pump | WS2001 – Leybold |
| Capacity | 2050 m3/h |
| Motor power | 7.5 kW |
| Holding pump | DS. 102 – Varian |
| – capacity | 5 m3/h |
| – power | 0.45 kW |
| Diffusion pump | VHS-400 – Varian |
| – capacity | 8000 l/s |
| – power | 4 kW |
| Cooling system | |
| Gas typ | Nitrogen + Argon |
| Gas outlet onto the load from the top | |
| Gas inlet to the heat exchanger from the bottom | |
| Blower motor speed | 2970 rpm |
| Motor power | 2×200 kW |
| Control system | |
| Industrial computer | Siemens |
| Programmable logic controller | Siemens |
| Safety thermocouple controllers | Eurotherm |
