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  • Tube vacuum furnace

JK Vacuum Tube Furnace-1800℃

1.Brand Name:JK


3.Thermal Couples:B Type

4.Heating Elements:1900 Grade MoSi2 Heating Element

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  • Description
  • Details
  • Specification

1800C High Temperature Lab Vacuum Tube Furnace is a CE certified lab tube furnace using high quality ceramic fiber board with ZrO2 Liner and MoSi2 heating elements. Vacuum sealed flange with two valves & vacuum gauge, and high purity alumina tube are included for immediate use. The temperature of Tube Furnace is controlled by high precision controller with accuracy +/-1C and 51 segments programmable up to 1800C.

It is widely used for materials or chemical lab to sinter all types of new materials samples under vacuum or other gases condition.

Part 1

-- Features

♦ Controlling Accuracy: +/-1C. 

♦ Temperature uniformity: +/-1C (according to the heating chamber size).

♦ Control system: Microcomputer controlled, Easy to operate, programmable, automatic heating up, automatic heat preservation, automatic cooling.

♦ Tube adopt: High purity alumina ceramic tube as furnace tube.

♦ Stainless steel Metallic flanges sealing (Double rubber ring).

♦ Outside temperature of the furnace is close to room temperature.

♦ Double-circuit protection.

♦ Super refractory material, Excellent thermally resistant, High temperature resistant, Thermal shock resistant. 

♦ Maximum degree of vacuum -0.1Mpa.

♦ Can inflate various gas (Oxygen, nitrogen, argon, hydrogen and so on).

♦ Working temperature: 1200C, 1400C, 1600C, 1800C and so on.

-- Application 

JK 1800C tube furnace is an ideal equipment for sintering,powder calcinations,heating treatment,melting of high temperature material,thermal shock,the test of ceramics,ect.in material enterprises,commodity inspection,institutions of higher education and scientific research department.

Part 2

-- Service
• Warranty: Two year limited warranty with lifetime support, excluding heating element and ceramic tube damaged by user. Within this period, Across International will, at its sole options, replace any components that fail in normal use. Such replacement will be made at no charge to the customer for parts, provided that the customer shall be responsible for any transportation cost. This warranty does not cover consumables and failures due to abuse,misuse, accident or unauthorized alteration or repairs.
(Attention: Any damages caused by the use of corrosive and acidic gases, and any damage from wrong operate and use are not under the coverage of One Year  Limited Warranty)
• Shipping terms: By DHL/Fedex, By Sea, By Air or yourself agents.
• Package: Inside--Foamed plastic, 
Outside--Wooden case 

Furnace Structure --Double layer steel casing with air cooling.
--Two cooling fan inside to keep case temperature < 55C.
--High purity Alumina refractory chamber with 10mm thick 2000C grade ceramic liner.
Tube Materials 99.7% High purity Alumina ceramic Tube
Tube Size --Premier Grade Alumina Ceramic tube: 6.7&rsquo&rsquo(120mm)
--Two pairs of SS tune support is installed to avoid tube bending under high temperature.
Seal Flange --One pair sealing flange with double silicone high temperature O-ring is included.
--Two SS needle valves and one dial vacuum gauge are installed with flange for immediate use.
--Vacuum pressure can reach 50mtorr by quality mechanical vacuum pump and 10-5mtorr by diffusion pump.
Max.Working Temperature 1800C with vacuum, with inert gas.
Max. Heating / Cooling Rate 1-5C / min
Temperature Accuracy +/- 1C
Power Cable & Plug --10 feet length 10-3 AWG heavy duty UL approven power cable is included Extra length cable can be ordered Plug is not included. 
Warranty 2 years limited warranty (Consumable parts such as processing tubes, o-rings and heating elements are not covered by the warranty)

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