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Vacuum furnace for Vacuum Flask Sealing Heat Preservation

Min.Order Quantity: 1 Set/Sets Vacuum furnace for Vacuum Flask Sealing Heat Preservation

Supply Ability: 2 Set/Sets per Month Vacuum furnace for Vacuum Flask Sealing Heat Preservation

Payment Terms: L/C,T/T,

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 Double chamber vacuum brazing furnace is composed of vacuum chamber, heating system, working table, pumping system, cooling system and electric control system.

A. Functional features:
1. The equipment is a double vacuum chamber and a set of pumping system configuration scheme. Two rooms alternate work, improve production efficiency.
2. Double shell vacuum chamber design, middle interlayer is water layer.
3. The electrical operation and control system adopts PLC program and man-machine interface (touch screen), which can be operated manually, semi-automatically and fully automatically.
4. The heating temperature and time can be set at will.
5. Monitoring system
1) complex vacuum meter with digital display.
2) automatic matching of temperature monitoring device.
3) automatic alarm device for water distribution.
4) equipped with pneumatic automatic alarm device.
6. Functions of automatic control system:
1) vacuum system control and process display.
2) basic unit of work control and power supply display.
3) safety alarm and diagnostic display.
7, the table is fixed, installed in the middle of the cavity, on, in, the next three layers, the cup basket on the table.
8. Load and unload workpieces with a small hydraulic forklift. (customer preparation is required)




Vacuum Chamber


Inner Chamber Size

Φ1800×2200  mm/Optional


All the material is using Stainless steel. Inner plating thickness≥10mm,Outer plating thickness≥5mm  Door flange thickness≥30mm

 Chamber surface spray paint treatment, the paint color could decide by customer.


Horizontal,Double door structure.

Double layer structure,interlayer for cooling water.

Gate use spring hinge,can let the door seel uniform pressure.

Door adopt cylinder clamping mechanism,decorate 2 sets.

Pumping point was in top of the chamber and flashboard valve connection.

Inspection Window

There is a inspection window in the vacuum chamber door,can observe the inner working.

Work Rest

Using Q235 angle iron to make, total 3 layers.

Match 6 cup basket,use stainless steel wire mesh


Heating System

Heating using stainless steel U type heat tube.The highest temperature achieved 550ºC in chamber.

Heat tube distribution: Around the work rest.Up and

 down,right and left,front and back,middle two layers.

Match 8 thermocouples,respectively test 8 points

 environment temperature in chamber.

Using solid-state relay, temperature controller, PID control.

Heating power about 90KW.

Pumping System

Diffusion Pump

Adopt 1 set of KT-800 diffusion pump,be made by Zhenlong Company in Shenyang.

Pumping speed: 30000L/S  Power:13KW

Match 1suit of water cold trap

Booster Pump

Adopt one set of RTO-1200 roots pump,be made by Cuiman Company in Shanghai.

Pumping speed: 1200L/S   Power:12KW

Mechanical Pump

Adopt 1set of HL-150 rotary plunger valve pump,be made by Shengong Company in Zhejiang.

Pumping speed: 150m3/h  Power:11KW

Holding Pump

Adopt 1 set of 2X-30 sliding vane rotary vacuum pump,be made by Nanguang Company in Chendu.

Pumping speed: 30m3/h  Power:3KW

Vacuum Measurement System

One suit of digital compound vacuum gauge,be made by Zhenghua Company in Chengdu.

Two vacuum chamber switch used.

Cooling System

3 sets of water separators

Inlet and outlet pipe using two colors distinguish,the line specifications, neat, beautiful.


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