WORLD’S MOST EXPERIENCED AND CAPABLE HIGH TEMPERATURE VACUUM FURNACE BUILDER  Watch the Centorr Video

 
CVI Furnace Benefits  Find Your Vacuum Furnace 800.962.8631 603.595.7233

Parts and Service

Furnace Parts and Services

 

Everything you need, from parts to service, to keep your vacuum furnaces operating and current with the latest technology is available from Centorr; the leaders in high performance furnaces.

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Our experienced aftermarket service group specializes in providing:

  • Spare Parts, Hot Zones and Field Service
  • Furnace Maintenance Programs
  • New Replacement Chambers
  • Furnace Upgrades and Retrofits
  • Furnace Rebuilds
  • Furnace Controls

Everything you need to keep your furnaces operating and current with the latest technology is available from the leaders in high performance furnaces.

At Centorr Vacuum Industries, our dedicated team of experienced field service engineers and technicians offer cost effective, flexible ways to replace, upgrade or refurbish your existing vacuum furnace, in-house or on-site. You can count on our comprehensive service and replacement parts for any vacuum furnace with hot zones ranging from 500°C to 3500°C - our own make or anybody else's.

Rapid delivery of spare parts and prompt response to service calls are commitments of Centorr Vacuum Industries and many commonly used spare parts are available from inventory for immediate shipment. Any parts not on hand can be fabricated quickly in our facility. A list of recommended spare parts is provided with each furnace to allow the customer to manage optimal inventory levels, and CVI’s internal inventory is controlled through a computerized order control system.

In addition to providing spare parts, service, retrofits and upgrades, Centorr Vacuum Industries offers a complete furnace rebuild capability. This capability applies not only to CVI furnaces but to those of other manufacturers.

We offer complete controls updates or overhauls replacing obsolete equipment with the latest model, or transitioning from traditional process-based controllers (such as Honeywell, Yokogawa, or Eurotherm), to the latest in PC/HMI computer controlled systems with touch-screen interface.

CVI also offers its own line of vacuum-rated inert gas cooling fans in various sizes for all makes and models of furnaces.

 

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Reconditioned Furnaces for Sale

Pre-owned Furnaces Professionally Reconditioned by Centorr Vacuum Industries

Centorr Vacuum Industries currently has no used furnaces for sale.

Please check back frequently, as refurbished used vacuum furnaces become available on an ongoing basis.

Centorr Vacuum Industries is interested in buying back any used CVI furnaces you have for sale. Please contact Dan Demers for more information at: [email protected] Centorr Vacuum Industries, 55 Northeastern Blvd, Nashua, NH 03062 Tel: 603-595-7233 · 800-962-8631 (US only) · Fax: 603-595-9220 E-mail address: [email protected]  

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Applied Technology Center Laboratory Testing

Centorr Vacuum Industries Applied Technology Center is equipped with laboratory size state of the art furnace equipment that you can use for high temperature processing of advanced materials.

Our experienced staff can offer you a unique "try before you buy" opportunity to evaluate your advanced materials processing method and better define your equipment needs, and we are pleased to offer this service to you.

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Use of one or more of our laboratory furnaces has been found helpful by several corporations in the Metals, PM/MIM, Hardmetals, Ceramics, Refractory Metals, Powders, and Advanced Materials Industries. We hope the same may apply to your group.

 
OUR EQUIPMENT AND STAFF ALLOW YOU TO:
  • Process materials on an as-needed basis
  • Test new materials
  • Fine-tune processing parameters
  • Help narrow down furnace selection criteria.
  • Confirm feasibility of new projects.
OUR ANALYTICAL EQUIPMENT INCLUDES:
  • System VII Graphite-lined sintering furnace 2800°C
  • System VII Tungsten-lined sintering furnace 2200°C
  • Air-fired debind furnace
  • Inert Gas Purifier / Oxygen Monitor
CVI’S APPLIED TECHNOLOGY CENTERS ANSWERS THESE QUESTIONS:
  • How fast can you cool your load without affecting physical properties?
  • Can you fire your product in a less expensive Graphite-lined furnace?
  • What is the minimum soak time required for the desired theoretical density?
  • Is positive pressure, or partial pressure environment best?
  • Do I need Hydrogen process gas for carbon control?
  • How fast can I ramp or cool my product without thermal shocking it?
RESEARCH AND DEVELOPMENT Our R&D laboratory is fully equipped with the latest designs in high-temperature furnaces and staffed with designers, mechanical and material technicians who can help you shape your ideas into workable processes and products. PROCESSES INCLUDE:
  • Brazing
  • Physical Testing
  • Diffusion Bonding
  • Metalization
  • Annealing
  • Continuous Processing
  • Sintering (vacuum and positive pressure)
  • Combined debind and sinter furnaces.

CENTORR VACUUM INDUSTRIES

APPLIED TECHNOLOGY CENTER

LABORATORY CAPABILITIES
The Applied Technology Center of Centorr Vacuum Industries is available to process customer's products and develop process cycles for advanced materials.
Furnace / Equip

System 7

Batch Furnace Graphite

System 7

Batch Furnace Metal

Super 7

Batch Furnace Graphite

Super 7

Batch Furnace Metal

Induction Melt

Continuous

Belt Furnace
Hot Zone Size:

6"w x 6"h x 15"d

(9" inside elements)

 6"w x 6"h x 15"d (9" inside elements) 8"w x 8"h x 20"d (10” inside elements) 8"w x 8"h x 20"d (10” inside elements)

60mm Ø x 140mmH

2.3kgs (5lbs)

6"w x 1"h x 36"l
Hot Zone Element: Graphite Tungsten Graphite Tungsten

Induction

Tungsten
Hot Zone Shields: Graphite Board t W / Mo Shields Graphite Board

W/Mo Shields

Al2O3, MgO, ZrO2 / Graphite Clay Crucibles

W / Mo
Max. Temperature:

2200°C in

Vacum

2800°C in

Inert Gas

1900°C in

Vac/Inert Gas 1800°C in H2

2300°C in

Vac/Inert Gas

900°C H2

2000°C in

Vac / Inert Gas

2000°C in H2, He

<2400°C in

Inert Gas

2000°C in 1 atm Inert Gas 1800°C in H2
Max. Vacuum: 1x10-2 torr 1x10-6 torr 1x10-5 torr 1x10-6 torr

1x10-6

N/A
Max Pressure: 0.5-2 psig 0.5-2 psig 0.5-2 psig 0.5-2 psig Slight Pos.Pres

1 atm
Partial Pressure Atmos. Avail:

N2, Ar,

Forming Gas

(1-300 torr)

H2, N2, Ar,

Forming Gas

(1-300 torr)

N2, Ar, Forming Gas (10-3-1 torr) H2 (0-10 torr)

N2, Ar, Forming Gas (10-3-1 torr) H2 (0-10 torr)

N2, Ar,

Forming Gas

N/A
Positive Pressure Atmos. Avail:

N2, Ar,

Forming Gas

(0.5-2 psig)

H2, N2, Ar,

Forming Gas

(0.5-2 psig)

N2, Ar, Forming Gas

(0.5-2 psig)

N2, Ar, Forming Gas

(0.5-2 psig)

H2, N2, Ar, Forming Gas

(0.5-2 psig)

N2, Ar,

Forming Gas, H2
Vacuum System:

Binder Removal Pump / Rotary Piston Pump

Rotary Vane Pump / Diffusion Pump w/ Baffle

Rotary Vane Pump / Diffusion Pump w/Baffle Hold Pump

Rotary Vane Pump / Diffusion Pump w/Baffle Hold Pump

Rotary Vane Pump / Diffusion Pump w/ Baffle

N/A
Binder Removal:

Minor

None

None

None

N/A

 Minor
Fan Cooling

No

No

Yes

Yes

N/A

N/A
Belt Speed:

N/A

N/A

N/A

N/A

N/A

0.1"-5"/min
Rotovac Usage:

5" dia x 13" tube

N/A

N/A

N/A

N/A

N/A
Retort Usage:

I/I 5"w x 5"h x 11"d

N/A

 I/I 7"w x 7"h x 20"d

N/A

N/A

N/A
 

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Preventative Maintenance Plan

In today’s demanding market, it is vitally important to keep your systems running safely, reliably, and efficiently. Centorr Vacuum Industries offers cost effective plans to help you do this. Our team of highly skilled field service engineers are dedicated to helping our customers achieve this by offering flexible plans that range from simple repairs to full system upgrades.

Our Aftermarket Support group will help you identify what is needed and plan the installation to work with your production schedules. With over 65 years of producing vacuum furnaces CVI can also provide support and replacement of hot zones produced by other manufacturers.

Call or email our team today to find out how we can make your job easier.

Centorr Vacuum Industries Preventative Maintenance Plan Includes:

CHAMBER AND HOT ZONE:
    • Examine elements and feedthroughs for damage.
    • Examine heat shields for damage or severe distortion.
    • Check thermocouples and insulators for damage, heavy vapor deposits. Replace, as necessary.
    • Remove heat exchanger/fan assembly annually, remove debris, examine for damage. Clean & reassemble.
 PNEUMATIC SYSTEM:
    • Verify Operation of Pneumatically controlled valves.
    • Check for and repair leaks in system.
    • Clean inline filter and drain water trap.
    • Check operation of optional emergency air backup.
PUMPING SYSTEM:
    • Drain mechanical pump and replace oil.
    • Check Vacuum Sensors functionality and accuracy.
    • Drain diffusion pump & check condition –
    • Replace if contaminated.
    • Lower diffusion pump & clean –
    • Quarterly plan if excessive use is involved.
    • Dismantle & clean hi-vac roughing & backing valves –
    • Replace seals as necessary.
 WATER AND GAS SYSTEMS:
    • Inspect water system for leaks.
    • Verify loss of water flow Interlocks.
    • Check gas system for leaks.
    • Check for correct gas control operation.
TEMPERATURE CONTROL & MEASUREMENT:
    • Validate Temperature Sensors and Calibration Services.
    • Verify functionality of Temperature Control Loops and wiring.
Check all safety interlocks and alarms.		 VACUUM AND POSITIVE PRESSURE LEAK CHECKING:
    • Mass Spectrometer Helium leak check of entire system.
    • Carry out rate of rise and ultimate vacuum testing.
CUSTOMER MODIFICATIONS: Note all Customer specifications.
POWER SUPPLY:
    • Inspect all relays.
    • Inspect all contactors for excessive wear –
    • Replace where necessary.
    • With clean compressed air, blow down transformers.
Run power supply and check out SCR controllers.		 Optional:  MIM-Vac™ SYSTEM:
    • Inspect retort and shielding for damage. Note discrepancies.
    • Inspect retort and hot zone supports for damage or distortion.
    • Inspect elements for distortion and possible grounding.
    • Check gas inlet/binder exhaust tubes for damage or blockage
    • Inspect manifold insulation and heat tape and thermostats.
    • Check vacuum valves/throttle valves for operation.
    • Run mass flow controllers to verify control.
    • Check all Hydrogen safety interlocks and alarms.
EXAMINE CUSTOMERS FAULT RECORDER SHEET:
    • Upon service completion, carry out a full furnace cycle in conjunction with user & check operation of equipment.  If possible, record data for future comparison.
Notify user that service is complete & obtain signature on service report.		 Optional:  HYDRAULIC SYSTEM:
    • Inspect for leaks.
    • Operate to ensure correct operation.
This listing is not inclusive of all the CVI Field Service can offer. Contact Aftermarket Services for a customized service plan.
Download the Preventative Maintenance Plan
Made in the USA

Contact Us

800.962.8631

603.595.7233

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Centorr Vacuum Industries specializes in challenging custom-designed vacuum furnace and controlled atmosphere furnace solutions for a variety of difficult thermal processes. Learn More

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