Vacuum Hot Press Furnace With Graphite Heating Elements
Reference: VHPF-G
Manufacturer: Across International
Vacuum Hot Press Furnace With Graphite Heating Elements
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To support demanding laboratory and industrial environments, the furnace incorporates a robust vacuum pump system capable of achieving ultra-high vacuum levels down to 6×10⁻³ Pa, while maintaining low leakage and stable pressure rise rates. Intelligent PID temperature control, multi-stage vacuum pumping, and optional water-cooling ensure safe, reliable, and energy-efficient operation. Combining precision engineering with user-friendly controls, the Across International Vacuum Hot Press Furnace offers a powerful, versatile solution for advanced materials research, production, and quality assurance.
Specification | Model 1 - Compact |
Temperature / Press Force | 2100°C / 10-Ton |
Heating Power / Hot Zone | 35 kW; Ø90 x 120 mm hot zone |
Ram / Stroke | Ø60 mm ram; 100 mm stroke |
Shared Features | Graphite resistance hot zone; electric hydraulic press with grating-ruler feedback; inert-gas atmosphere capability; PLC + 10" touchscreen control |
Maximum Temperature | 2100°C |
Rated Working Temp | 2000°C |
Heating Power | 35 kW |
Heating Method | Graphite resistance |
Heating Rate | < 20°C/min |
Control Accuracy | ±1°C |
Temperature Sensor | W-Re TC or IR pyrometer |
Effective Working Zone | Ø 90 x 120 mm |
Maximum Pressure | 10 Tons |
Ram Diameter / Size | Ø 60 mm |
Ram Stroke | 100 mm |
Pressure Accuracy | ±0.1 MPa |
Displacement Accuracy | 0.01 mm |
Graphite Mold | High-purity, max 50 MPa |
Hydraulic Ram Design | Standard hydraulic ram |
Ultimate Vacuum | < 5 x 10⁻³ Pa |
Backfill Pressure | < 0.05 MPa |
Pressure Rise Rate | < 4 Pa/h |
Vacuum Architecture | 2-stage: mechanical + diffusion |
Backing Mech. Pump | BSV30; 2.2 kW; 16 L/s; 5 x 10⁻¹ Pa |
Roots Pump (Secondary) | - not fitted - |
Diffusion Pump | 2000 W; 2000 L/s; DN160; 0.3 L oil |
Vacuum Gauge | ZDF compound; 10⁻⁵-10⁵ Pa; ±1% |
Power Supply (Main) | 3-phase 480 V |
Operator Interface | 10" touchscreen HMI |
PID Controller | 50-segment program; auto-tune; RS-485 |
Safety Interlocks | Over-temp; TC break; over-current; low water pressure |
Observation Window | Ø 50 mm |
Chiller Model | 08P |
Cooling Capacity | 18,300 kcal/h (approx. 21.3 kW) |
Tank / Lift | 130 L; 50 m head |
Chiller Power Input | 12 kW; 480 V 3-ph |
Model | HPF-100-2100 |
Maximum Temperature | 2100°C |
Rated Temperature | 2000°C |
Power | 100 kW |
Heating Method | Graphite heating |
Effective Working Zone | 300 × 300 mm |
Graphite Mold | 1. High-purity graphite mold, max working pressure 50 MPa |
Holding Time | Adjustable as needed |
Ram Stroke | 0–120 mm |
Ram Size | 150 mm |
Pressure Accuracy | ≤ ±0.1 MPa |
Maximum Pressure | 50 tons |
Displacement Accuracy | 0.01 mm |
Control Mode | Intelligent PID |
Control Accuracy | ±1–5°C above 600°C |
Temperature Measurement | Tungsten-rhenium thermocouple in tungsten sheath |
Observation Window | Diameter 50 mm |
Hydraulic System | Electric hydraulic system with proportional valve, potentiometer, pressure sensor, grating ruler (0.02 mm accuracy), manual/auto mode. |
Temperature Control System | 50‑segment PID program |
Ultimate Vacuum | < 6 × 10⁻³ Pa |
Chamber Backfill Pressure | < 0.05 MPa |
Pressure Rise Rate | < 4 Pa/hour |
Thermocouple Break Protection | Yes |
Over‑temperature Protection | Yes |
Over‑current Protection | Yes |
Water Pressure Protection | Yes |
Heating Rate | < 20°C/min |
Input Voltage | 480V / 220V |
Bellows | KF40 × 1000 |
Vacuum Gate Valve | KF40 |
Primary Mechanical Pump – 2X‑70 | Power 5.5 kW |
Compound Vacuum Gauge | Model ZDF |
Secondary Pump – Roots Pump | Model ZJP‑150 |
Tertiary Pump – Diffusion Pump | Voltage 220V |
Optional Water Chiller (12P) | 480V 3PH |
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