GS-140-1.1
GS-140-1.1 pit-type vacuum furnace
Vacuum & atmosphere ≤ 950 °C Vacuum AnnealingTesting
Part of our vacuum & atmosphere furnace range — selection notes and all systems →
KEY DATADELIVERED
MAX TEMP
950℃
ATMOSPHERE
Vacuum
CATEGORY
Vacuum & atmosphere
SOURCE
Proposal text
From the original technical proposalAHGSTEC
Specification
Specification
Taken from the original technical proposal. Ranges indicate configurable options; the signed technical agreement governs.
Primary A
- Model
- GS-140-1.1
- Effective chamber dimensions
- φ1.4 × 1.1 m
- Rated heating power
- 150 kW
- Max. temperature
- 950 °C
- Heating method
- 2-zone control, 380 V, 50 Hz, star connection
- Heating elements
- 0Cr27Al7Mo2
- Temperature control accuracy
- ≤±1 °C
- Temperature uniformity in working zone
- ≤±10 °C
Secondary B
- Outer wall temperature rise
- ≤40 °C
- Vacuum level
- High vacuum (ultimate pressure ≤6×10⁻² Pa)
- Vacuum pump
- 2X-8A (motor 2.2 kW, pumping speed 4 L/s)
- No-load heat-up time
- ≤1.5 h (ambient to 920 °C)
- Cover surface temperature
- ≤65 °C
- Vacuum-sealed circulation fan
- Water-cooled, 3 kW, air pressure 1300 Pa
- Cover lifting motor
- 0.75 kW
- Retort material
- 10 mm stainless steel, 321 cast steel
Structure
Cross-section
Click any part to see its role. Together these eight determine the final thermal performance.
PART 01
Chamber
One-piece polycrystalline alumina ceramic fiber. High density, low conductivity, no dusting at temperature — the first determinant of uniformity.
- Material
- Polycrystalline alumina fiber
- Continuous rating
- ≤ 650 °C
- Construction
- Seamless, one-piece
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