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Horizontal Single Chamber Vacuum Annealing Furnace

Description
Horizontal vacuum annealing furnace is applied for bright annealing of materials like tool steel, die steel, high speed steel, ultra-strength steel, magnetic material, stainless steel, non-ferrous, etc.

Technical Features
1. The vacuum single chamber annealing furnace is horizontal, single chamber, bottom loading structure. The way of opening door is optional according to customer’s requirement.
2. Excellent temperature uniformity realized by octagon-shaped furnace hearth.
3. Full metal insulation screen adopts rear insulation technology.
4. Heating under vacuum, Ar or H2.

Optional Configuration of Horizontal Vacuum Annealing Furnace
1.Furnace door type: on-line; off-line; vertical up and down; rotating
2.Furnace hearth: graphite heating elements and graphite felt heat insulation; molybdenum heating elements and all-metal heat insulation
3.Vacuum pump unit and vacuum gauge: abroad brand; high-quality Chinese brand
4.Vacuum degree: high vacuum; medium vacuum
5.PLC: OMRON; Siemens; Mitsubishi
6.Temperature controller: SHIMADEN; EUROTHERM; Honeywell
7.Thermocouple: type K; type N; type S
8.Recorder: paperless recorder; paper recorder
9.HMI: Simulation screen; touchscreen with industrial computer
10.Electric components: high-quality domestic brand; Schneider; Siemens

Specifications of Horizontal Vacuum Annealing Furnace
Parameter\Model HVA-335S HVA-446S HVA-557S HVA-669S HVA-7711S HVA-8812S HVA-9915S
Effective hot zone size W×H×L (mm) 300 × 300 × 500 400 × 400 × 600 500 × 500 × 700 600 × 600 × 900 700 × 700 × 1100 800 × 800 × 1200 900 × 900 × 1500
Loading capacity (kg) 75 250 400 600 1000 1200 1500
Heating power (kW) 48 75 90 150 270 360 480
Max. temperature (°C) 1350/1700/2300 1350/1700/2300 1350/1700/2300 1350/1700/2300 1350/1700/2300 1350/1700/2300 1350/1700/2300
Temperature uniformity (°C) ±5 ±5 ±5 ±5 ±5 ±5 ±5
Vacuum degree (Pa) 4 × 10-1 4 × 10-1 4 × 10-1 4 × 10-1 4 × 10-1 4 × 10-1 4 × 10-1
4 × 10-3/6 × 10-4 4 × 10-3/6 × 10-4 4 × 10-3/6 × 10-4 4 × 10-3/6 × 10-4 4 × 10-3/6 × 10-4 4 × 10-3/6 × 10-4 4 × 10-3/6 × 10-4
Pressure increasing rate (Pa/h) ≤0.26 ≤0.26 ≤0.26 ≤0.26 ≤0.26 ≤0.26 ≤0.26
≤0.65 ≤0.65 ≤0.65 ≤0.65 ≤0.65 ≤0.65 ≤0.65
Gas cooling pressure (bar) 2 2 2 2 2 2 2
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