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Sinterbar Series 3750 Model: 121812-2200 |
High Temperature, Vacuum and High-Pressure Inert Gas Controlled Atmosphere, Furnaces for Debinding, Vacuum Sintering, and High-Pressure
Gas Isostatic Densification in Horizontal Front Loading or Vertical Top or Bottom Loading Designs.

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Sinterbar Series 3750 Model 1212-2200-100B Graphite Heating Element Graphite Insulation |
- Maximum Temperature: 1650° C (3000° F) to 2200° C (3992° F)
- Primary Use: Production
- Heat method: Electric Resistance
- Operation: Vacuum, partial pressure, and High-Pressure Inert Atmosphere
- Operating Mode: Batch
- Chamber Wall: Cold (Water Jacket)
- Maximum Vacuum: 10-2 Torr
- Maximum Partial Pressure Inert Gas: vacuum to 50 torr (65 mbar).
- Maximum Positive Pressure Inert Gas: 60-100 Bar (900-1500 psig)
- Configuration: Horizontal or Vertical
- Heat Zone Size: 1,4,10, and 12 cu ft (28, 113, 283, 340 Liters) standard sizes. Custom sizes available upon request.
- Heating Element: Graphite or Refractory Metal.
- Application: Vacuum Debinding and Sintering and High-Pressure Gas Isostatic Densification.

This production furnace design is used for vacuum, partial pressure, and high-pressure inert gas isostatic densification treatment of a
variety of metals, hardmetals, and advanced ceramics for sintering and pressure consolidation.
Including:
- Alternative to Hot Pressing or Hot Isostatic Pressing
- Glass-to-metal and Ceramic-to-metal Sealing Operations
- Fiber and Particle Strengthened High-Temperature Composites
- Densification
- Debinding and Sintering of Tungsten Carbide grades with moderate Cobalt content suited to Liquid Phase Consolidation
- Ceramic Firing of Si3N4 and other Sinterable Ceramics with Sufficient Molten Glassy Phase
- Tool Steels including Molybdenum and Tungsten Alloy Steels with transient Liquid Phases suited for Pressure Consolidation
- Material Testing
- Cermets and Other Advanced Materials

- Proven Graphite element design with Graphite board or Felt linings
- Horizontal Front Loading and Vertical Top or Bottom Loading Designs Available
- Robust and Reliable Centorr Vacuum Industries' Design
- Long Life from Rugged Centorr Vacuum Industries' Construction
- Highest Quality at an affordable price
- Rapid heat up and cool down with atmospheric fan cooling and Heat Exchanger package
- Can Eliminate separate Hot Isostatic Pressing Operations required for Densification
- Higher Product Quality with Increased Part Densities and Improved Mechanical Properties
- One-step Debind and Pressure Sintering Capability utilizing Sweepgas Binder Removal Technology in Inert or Hydrogen gas

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Graphite Hot Zone with Multi-Zone Control and Locking Ring Door |
Operating Temperature: 1650° C (3000° F) to 2200° C (3992° F) in Vacuum, Partial Pressure, or High-Pressure Argon or Nitrogen Gas.
Hydrogen Gas systems available for debinding to 1000° C (1832° F)
Operating Pressure: Vacuum to 60-100 Bar (900-500 psig).
Ultimate Vacuum: Low Vacuum - 10-2 torr range (chamber clean, cold, empty, dry, and out gassed).

Contact CVI directly for pricing.

10-12 months from Purchase Order.

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ASME Rated and Code-Stamped Design. Double-walled, water-cooled mild steel inner liner with mild steel outer jacket and flanges.
Stainless steel jackets available upon request.
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| Hot Zone: |
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Standard Sizes from: 1, 4, 10, and 12 cu ft (28, 113, 283, 340 Liters). Custom Sizes available upon request.
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PUMPING SYSTEM ALTERNATIVES
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| Vacuum System: |
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Rotary Piston mechanical pumps and blowers for debinding and vacuum sintering. Dry Vacuum pumping systems available upon request.
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| Power Supply: |
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SCR or VRT style Power Supplies fully interlocked for failsafe operation.
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| Temperature Sensor: |
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Type "C" Molybdenum sheathed thermocouples for Control and Overtemperature. Optical Pyrometers used for High-Temperature operation.
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| Controller: |
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CVI Custom HMI Scada System for Precise Temperature and Vacuum Control.
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Overtemperature Controller & Hot Zone Interlock: |
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Honeywell, Eurotherm, or Yokogawa Digital Overtemperature Controllers.
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| Furnace Cabinet: |
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Contains temperature control instrumentation, vacuum, and pressure, instrumentation, with manual and fully-automatic operated valving,
enclosed in a painted steel cabinet.
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| Electrical: |
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380V, 400V, 460V, 575V, 3PH, 50 or 60 Hz.
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| Water Supply: |
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90°F (32°C) max. inlet at 35-40 PSIG (3.4-3.7 Bar)
Max pH not to exceed 7.8.
Conductivity not to exceed 350 micro MHOS.
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| Water Return: |
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10 PSIG (1.7 Bar) Max. back pressure
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| Inert Gas: |
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Argon, Nitrogen, or Hydrogen
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| Pump Exhaust: |
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As Required.
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Payment Terms - contact CVI for terms
FOB: EX-WORKS (CVI Manufacturing Facility, Nashua, NH USA)
CVI Standard Terms and Conditions, Form TC-2000

Warranty, Manuals, Checkout and Field Service Warranty, Form C/VI-107

Can be accommodated in Containers or Flatbed Trucks.

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