Standard Vacuum Furnace

SERIES CODE: VF1300-422

Standard horizontal vacuum furnace for brazing and precision heat-treatments.

Quick Specs

Temperature Range1300° C

Heated Zone≤1300° C

Workspace400×200×200 mm

Temperature Range1300° C

Thermal Stability± 0.5°C

Heating Rate15°C/min

Internal Volume24 Liters

Technical Documents

Technical Brochure

Installation Manual

Tutorial

Technical Specifications

Item	Technical Specification
2.1 Equipment Main Parameters
Effective Workspace	600 × 400 × 400 mm (L × W × H)
Heating Zone Size	900 × 730 mm (L × Ø)
2.2 Hot Zone
Maximum Temperature	1300°C
Operating Temperature	≤1200°C
Heating Power	25 kW
Rated Power	60 kW (excluding water cooler)
Temperature Control Accuracy	±1°C
Temperature Uniformity	±5°C (no load, stabilized at 900°C for 60 min, measured at 5 points)
Heating Rate	≤20°C/min (no load)
Heating Elements	Molybdenum-lanthanum alloy
Heating Element Arrangement	Circumferential heating
Heating Power Control	Digital-display SCR + transformer
Temperature Control System	Intelligent PID regulation via PLC
2.3 Vacuum System
Cold Ultimate Vacuum	≤6.67 × 10⁻⁴ Pa (empty furnace, cold state, purified conditions)
Hot Ultimate Vacuum	≤6.67 × 10⁻³ Pa (empty furnace, 900°C, holding for 1 h)
Vacuum Measurement Range	1.0 × 10⁵ to 1.0 × 10⁻⁵ Pa
Vacuum Pumping Speed	1600 L/s
Vacuum Pumping Efficiency	≤20 min from 1.0 × 10⁵ Pa to 2.0 × 10⁻³ Pa
Pressure Rise Rate	≤1 Pa/h (under no-load, clean, degassed, and dry conditions)
2.4 Cooling System
Cooling Method	Natural cooling (≥500°C) + internal circulating air cooling (<500°C)
2.5 Power Supply
Power Supply	Three-phase, 380/220 V, 50 Hz
2.6 Cooling & Driving Gas
Driving Gas	Compressed air, 0.4–0.6 MPa
Cooling Gas	Nitrogen, purity ≥99.999%
Air Cooling Pressure	≤10 kPa
Nitrogen Consumption	Approx. 750 L/furnace
2.7 Water Cooling System
Cooling Water Temperature & Flow Rate	Inlet water temperature ≤30°C; flow rate 2.3 m³/h
Water Pressure	0.2–0.3 MPa