Email：gwdlcom@gmail.com |
sales@gwdl.com
Telephone/WhatsApp：+86-15637962277
| Item | Specification |
|---|---|
| Application | Widely used for production and experimentation in ceramics, metallurgy, electronics, glass, chemicals, machinery, refractories, new-material development, special materials and building materials. |
| Door arrangement | Front + side opening doors |
| Control accuracy | ±1 °C; furnace uniformity ±3 °C |
| Operation | Programmable PID, self-tuning, auto heat-up, dwell and cool-down; no operator required. Optional PC link for remote start / stop / pause / curve programming / data storage / historical curves (free software). |
| Heating rate | 1 °C h⁻¹ – 40 °C min⁻¹ adjustable |
| Energy saving | Imported fibre chamber, high thermal-shock resistance |
| Furnace casing | Precision powder-coated, corrosion / acid / alkali resistant; air-cooled double wall keeps shell near ambient |
| Safety | Dual-loop protection for over-temperature, over-pressure, over-current, broken thermocouple, power failure, etc. |
| Max. temperature | 1200 °C |
| Control range | 80 – 1200 °C |
| Thermocouple | K-type, 0 – 1320 °C |
| Chamber size | Ø 200 mm × 200 mm H (overall height ≤ 1.8 m) |
| Heating elements | Silicon-carbide rods, vertically mounted on both sides |
| Temperature accuracy | ±1 °C (integrated circuit, no overshoot) |
| Temperature uniformity | ±5 °C |
| Heating rate range | 1 °C h⁻¹ – 20 °C min⁻¹ |
| Furnace structure | CNC machined, polished, pickled, phosphated, powder-coated, dual-colour finish; oxidation & corrosion resistant |
| Cooling | Air-cooled double wall with guided baffles; conductive parts kept below oxidation temperature |
| Press capacity | 200 t |
| Pressure control | Digital manual set-point; auto-pressurisation to preset value |
| Press type | Electric precision hydraulic press |
| Pressure display | Digital, unit N |
| Ram stroke | Adjustable |
| Dwell function | High-quality imported solenoid valve; excellent pressure holding |
| Door seal | 3–4 tapered soft-seal steps with elastic high-temperature gaskets to accommodate thermal expansion |
| Mould/die | Supplied by customer |
| Insulation | Three-layer: alumina fibre blanket + alumina fibre board + alumina polycrystalline fibre board; >80 % energy saving vs. old-style furnaces |
| Refractory | High-purity alumina–zirconia fibre board |
| Shell temperature | <45 °C during long-term operation |
| Protection functions | Dual-loop control & protection: over-shoot, under-shoot, broken thermocouple, phase loss, over-voltage, over-current, over-temperature, current feedback, soft start |
| Control mode | Closed-loop thyristor (phase-shift or zero-cross) output; voltage, current or power continuously adjustable; constant-V / constant-I / constant-P operation; inner current loop, outer voltage loop |
| Display parameters | Real-time temperature, segment number, segment time, remaining time, output power %, voltage, current |
| Push-buttons | Imported, >100 000 cycles, LED indicator |
| Curve programming | Intelligent temperature & pressure controller with data logging and historical curves |
| Program segments | 30 per curve; also 14×2, 9×3 or 5×5 curves; multiple curves storable & selectable |
| PC interface | Computer can control and display temperature / pressure curves |
| Accessories | Two sets of press rods, 1 crucible tong, 1 pair high-temperature gloves |
| Warranty | 1 year on furnace; heating elements excluded |
| Precautions | Max. heat/cool rate 10–20 °C min⁻¹; micro-cracks after use are normal (repair with alumina coating); no corrosive gases (S, Na) without prior notice; place in dry, ventilated area |
| Shipping | Triple packaging (foam + film + wooden crate); free delivery to urban areas in China; transport damage borne by supplier; road / rail / sea / air export options available |
