Centorr All Series Vacuum Furnaces

Vacuum Furnaces: Production, Laboratory, and Continuous Furnaces

Standard vacuum furnace designs are augmented by specialized, custom-designed vacuum furnaces for processing a variety of metals, ceramics, composites, and carbon/graphite materials.

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Centorr Vacuum Industries manufactures a diverse line of vacuum furnaces for a variety of customer needs.

CVI's vacuum furnace and controlled atmosphere furnace offerings range from large Commercial and Production furnaces with hot zones over 3m x 3m, to smaller Laboratory and Research & Development vacuum furnaces for use at temperatures up to 3500°C. Our furnaces also include continuous furnaces and custom and kit furnaces. As a worldwide leader in the vacuum furnace industry, over 6,500 units are installed in use in various industries and applications throughout the world.

Vacuum Furnace and Other Furnace highlights:

    • Complete vacuum furnace systems ready to ship
    • Standard vacuum furnace designs
    • Customized vacuum furnace designs
    • Advanced prototype systems

Production Vacuum Furnace Selection

CVI's production furnaces perform the following processes that your application requires.
  • Annealing and Degassing of Metals
  • Annealing/Stress Relieving
  • Diffusion Bonding
  • Brazing
  • Heat Treatment
  • Sintering Additives
  • Debinding
  • Metallizing
  • Metal Matrix Bonding
  • Delube/Dewax
  • Pressure Sintering
  • Vapor Infiltration and Deposition
  • Graphite Purification
  • Graphitization
  • Pressure Sintering
Click on series number to view product page.
Product Series Furnace Type Applications/Processes Materials Max Temp.
2500 Rotavac™ Rotary Powder Sintering Front end metal and ceramic powder processes Metal and ceramic powders 2300°C (4172°F)
3300 Vacuum Cold Wall Vertical Loading Annealing and Degassing of metals Zirconium, SS, Ti, Inconel and Superalloys 1315°C (2400°F)
3400 Hot Wall Front Loading Annealing and Degassing of metals Zirconium, SS, Ti, Inconel and Superalloys 900°C (1652°F)
3500 Vacuum Cold Wall Front Loading Annealing/Stress Relieving Stainless Steel, Inconel 690 and 601, Zirconium Alloy, Ti, Nickel, Superalloys 900°C (1652°F)
3520 Vacuum Hot Press Diffusion Bonding Electronic ceramics, non-oxide ceramics, hard metals, cermets 1315°C (2400°F)
3530 Workhorse® Horizontal Vacuum Furnaces Annealing/Stress Relieving, brazing, diffusion bonding, electronic ceramics, heat treatment, quenching, sintering Stainless Steels, Ferrous and Non-Ferrous Alloys, Tool Steels, High Speed Steels, Ti, Nickel, Superalloys, Non-Oxide Ceramics

1000°C (1832°F)

1315°C (2400°F)

1650°C (3000°F)

2200°C (3992°F)

3540 Workhorse AM™Vacuum/Controlled Atmosphere furnace Annealing, Heat Treating, and Sintering of  Additive Manufactured and 3D Printed parts Stainless Steels, Ferrous and Non-Ferrous Alloys, Ti, Nickel, Superalloys. 1650°C (3000°F)
3560 Co-Fire Vacuum/Hydrogen Batch Furnace Debinding, Sintering, Metallizing Alumnia, aluminum nitride, beryllia 2200°C (3992°F)
3570 MIM Vac Vacuum/Controlled Atmosphere Debind and Sintering Furnace Metal injection molding, debinding, sintering 17-4 pH alloy, 316-L, tool steels, high speed steels, Ti, nickel, superalloys 1650°C (3000°F)
3600 Vacuum Hot Press Development of ceramic composite materials, diffusion bonding, metal matrix bonding, sintering. Aerospace materials, electronic ceramics, hard metals/cermets, non-oxide ceramics 1400°C (2252°F) metal hot zone 2300°C (4172°F) graphite hot zone
3700 Injectavac® Process injection molded parts from wax/polymer binder removal through sintering in one continuous cycle. stainless steels, Ferrous and non-ferrous alloys, tool steels. Fe-Ni. 1650°C (3000°F)
3710 Sintervac™ & Sintervac Jr.™ Sintering, delube/dewax, debinding, graphite processing, heat treatment Non-oxide ceramics, aerospace materials, hard metal/cermets, electronic ceramics, general metals 1600°C (2912°F) max, 2200°C (3992°F) max or 2450°C (4442°F) max
3720 Sintervac AM™ Debind and Sintering of Additive Manufactured and 3D Printed parts Stainless Steels, Ferrous and Non-Ferrous Alloys, Ti, Nickel, Superalloys. 1600°C (2912°F)
3750 Sinterbar™ Pressure Furnaces Pressure sintering Silicon nitride, sinterable ceramics, tungsten carbide 1650°C (3000°F) for carbide and 2200°C (3992°F) for ceramics
3800 CVD Furnaces Chemical vapor infiltration, chemical vapor deposition, graphite purification, graphitization, purification and heat treat Chemical vapor, graphite, non-oxide ceramics, aerospace materials 1100°C (2012°F), 1600°C (2912°F), 2200°C (3992°F)
3850 Sinterbar® Jr. Pressure sintering. Silicon nitride, sinterable ceramics, tungsten carbide. 1650°C (3000°F) for carbide and 2200°C (3992°F) for ceramics
4300 Vacuum Induction Melt and Cast (50 & 100 lb) and Induction Heat Treat Melting and casting, High Temperature Heat Treat Ferrous and non-ferrous metals and alloys, Carbons, Graphites and Composites 1650°C (3000°F) 2900°C (5252°F)
TQ-II Quench Vacuum Furnace Tool room applications, heat treat, quenching Cold work die steels (S7, A2, D2) 1315°C (2400°F)

Laboratory Vacuum Furnace Selection

CVI's laboratory furnaces perform the following processes that your application requires.
  • Powder Melting
  • Annealing
  • Arc Casting
  • Crystal Growth
  • Carbon Fiber Processing
  • Thermocouple Calibration
  • Degassing
  • Ceramic Firing
  • Verneuil Flame Fusion
  • Homogenization
  • Sintering
  • Annealing
  • Melting
  • Crucible Welding
  • Compound Synthesis
Click on series number to view product page.
Product Series Equipment Type Applications/Processes Max Temp.
2 Oxygen Monitors & Inert Gas Purifiers Monitor/Purification N/A
3 Compact Crystal Puller Czochralski, Verneuil Flame Fusion, Bridgeman - Stockbarger N/A
5BJ Bell Jar Furnaces Powder Melting, Arc Casting, Metallic & Non-Metallic Buttons, Annealing, Compound Synthesis, Material Densification Over 3500°C (6332°F)
5SA Single Arc Furnaces Powder Melting, Arc Casting, Metallic & Non-Metallic Buttons, Annealing, Compound Synthesis, Material Densification, Crucible Cover Welding, Thermocouple Junction Welding Over 3500°C (6332°F)
5TA Triple Arc Furnaces Czochralski Crystal Growth, Melting Point Determination, Freeze Purification, Arc Casting, "Splat" Cooling, Powder Melting, Annealing, Crucible Welding, Compound Synthesis, Thermocouple Junction Welding Over 3500°C (6332°F)
10 Graphite Tube Furnace Annealing, Carbon Fiber Processing, Ceramic Firing, Heat Treating, Homogenization, Melting, Sintering, Wetting Studies Up to 2750°C (4982°F)
11 High Temperature Optical Fiber Drawing Furnaces Drawing of Optical Fibers 2300°C (4172°F)
15 Top Loading Vacuum Furnace Brazing, Heat Treating, Crystal Growth, Melting, Ceramic Firing, Sintering, Degassing, Thermocouple Calibration. 2500°C (4532°F)
16 Top Loading Vacuum Furnace Brazing, Heat Treating, Crystal Growth, Melting, Ceramic Firing, Sintering, Degassing, Thermocouple Calibration. 3000°C (5432°F)
17 Bottom Loading Vacuum Furnace Brazing, Heat Treating, Crystal Growth, Melting, Ceramic Firing, Sintering, Degassing, Thermocouple Calibration. 3000°C (5432°F)
19 Bottom Loading Metal Bell Jar Furnace Brazing, Melting, Sintering, Heat Treating, Ceramic Firing, Degassing. 3000°C (5432°F)
45 Top Loading Graphite Annealing, Brazing, Crystal Growth, Ceramic Firing, Degassing, Heat Treating, Melting, Sintering. 3000°C (5432°F)
46 Bottom Loading Graphite Annealing, Brazing, Crystal Growth, Ceramic Firing, Degassing, Heat Treating, Melting, Sintering. 2800°C (5072°F)
50 Front Loading Annealing, Brazing, Casting, Ceramic Firing, Degassing, Diffusion Bonding, Heat Treating, Homogenization, Melting, Sintering. 2800°C (5072°F)
60 Front Access Research and Development 3000°C (5432°F)
2100/2110 System VII/Super VII Multipurpose Vacuum Metallurgical Systems Up to 3000°C (5432°F)
CA Transparent Furnace Brazing 950°C (1742°F)
EP High Temperature Elevated Pressure Furnace Powder Metallurgy, Pressure Sintering, Densification, Materials Research & Development up to 2200°C (3992°F)
HP Vacuum Hot Press Furnace Hot compacting of carbide, oxide, and nitride mixtures. Development of ceramic composite materials, diffusion bonding, metal matrix bonding, development of superconductors up to 3000°C (5432°F)
LF Graphite Hot Zone Top Loading Furnace Multi-purpose up to 3000°C (5432°F)
LF Refractory Metal Hot Zone Top Loading Furnace Multi-purpose up to 2000°C (3632°F)
Testorr™ Materials Testing Furnace Air, Ar, N2, He, H2, O2 Up to 2500°C (4532°F)
WA Wire Anneal Furnace Wire Annealing (Replaces Vacuum Batch Furnaces) Up to 1600°C (2912°F)

Continuous Vacuum Furnace Selection

Click on series number to view product page.
Product Series Equipment Type Applications/Processes/Materials Max Temp.
11 High Temperature Optical Fiber Drawing Furnaces Drawing of Optical Fibers 2300°C (4172°F)
3610 Tantalum Anode Sintering oxygen and nitrogen sensitive, high temperature materials. 2200°C (3992°F)
BF Belt Furnace Refractory Metals, Powders, Si3N4, Ceramics, MIM components 2000°C (3632°F) Specials up to 2800°C (5072°F)
PF Pusher Furnace SIC, Si3N4, Carbon-Carbon Composites, Tungsten Carbide, MIM Components, BN, ALN, Alumina, Tungsten Powers 2500°C (4532°F)
WA Wire Anneal Furnace Wire Annealing (Replaces Vacuum Batch Furnaces) Up to 1600°C (2912°F)
Made in the USA