China MWCVD Microwave Chemical Vapor Deposition Diamond Machine/ CVD Furnace
VTF series vacuum tube furnace use high pure alumina or quartz tube as furnace tube. Working temperature is from 800℃ to 1600℃. Precise and advanced auto temperature controller, high temperature accuracy, easy operation, excellent heat-insulation effect, symmetrical temperature uniform , VTF tube furnace are widely used in the labs of university and Research Institutions, also used in factory for production.
Production Flow 
Factory 
Certifications
1. Product Specification :
Type |
QSH-VTF-1200T |
QSH-VTF-1400T |
QSH-VTF-1700T |
Max temperature |
1200℃ |
1400℃ |
1700℃ |
working temperature |
1100℃ |
1300℃ |
1600℃ |
Heating rate |
0-20℃/min |
||
Temperature accuracy |
±1℃ |
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Temperature control |
51segments programmable and PID auto control |
||
Furnace chamber |
Alumina Ceramic fiber board |
||
Furnace structure |
Double shell with fan cooling |
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Thermocouple |
K Type |
S Type |
B Type |
|
Heating elements |
Fe-Cr-Al-Mo wire |
SiC heater |
MoSi2 heater |
Rated voltage |
220V 50Hz Single-phase / 380V 50Hz 3 phase |
||
2. Temperature’s profile for your reference as below.( for example: 6 segments)
3.Heating elements
Working temperature |
Product Pictures |
Heating elements |
Characteristics |
W T≤1200C |
|
Fe-Cr-Al-Mo wire |
Compared with the ordinary iron chromium aluminum wire resistance, higher temperature and more durable |
W T≤1400C |
 |
SiC heater |
Using high temperature, anti-oxidation, corrosion resistance, long life, small deformation, easy installation and maintenance. |
W T≤1750C |
MoSi2 heater |
Suitable for ultra high temperature heating, long service life, high calorific value and economic price |
4. Trouble shooting for typical Problems
Problems |
Reason |
Solution |
|
Open Power Lock, no power indication |
Fuse (4A) in control panel is broken |
Check control panel, and replace fuse |
|
Green Power indictor is off, but Red open circuit indicator is On |
Fuse ( 50A) in main power circuit is broken |
Open the cover of front panel and replace the fuse |
|
No current shows in meter , but has Max. Voltage |
Heating element broken |
Find broken heating rod, and replace it |
|
Controller display panel SV shows“ OraL” |
Thermal Couples broken |
Replace Thermal couples ( B type ) |
|
Controller display panel SV shows“ HI AL” |
Furnace temperature > 1700C, Protection from Alarm |
Cool furnace down, and find reason why temperature is so high ( program setting may be wrong) |
|
Power and heating element are OK, but furnace can’t be controlled by program. |
Controller or related circuit may be damaged |
Heck controller. |
|
Program running, but furnace can not be heated, or real temperature is far behind the setting value |
oPL or oPH value is too low due to local voltage lower or frenquency different |
Incraese “oPL” and “oPH” value till current meter shows “ 120 A – 140A”, and program runs smoothly |
During heating below 300C, the temperature value ( PV) is not stable, and doesn’t match with setting program (SV) |
It is normal because the furnace comes with a high temperature thermocouple, which is not sensitive at temperature below 300C |
Don’t worry. Let the furnace heat to 300C, then thermocouple will functionstably with program. If the PV valueat 300C is still less than that of SV, youmay need to increase OPL value a little. |
6.Payment Terms:
We accept Payment: L/C.T T
Price terms: FOB China
7. Transport way:
By sea, we have good forwarders, super service and price ! Especially, it is free to ship by
sea sometimes!
8. Other services:
We can make and design furnaces according to your drawings or requirements.
Our engineers will provide you with the most top quality high temperature laboratory furnaces.
9. Standard or stock size :
Standard type |
QSH-VTF-1200T |
QSH-VTF-1400T |
QSH-VTF-1600T |
Hot zone Tube size |
Φ40×300mm Φ40×450mm Φ60×300mm Φ60×450mm Φ80×300mm Φ80×450mm Φ100×300mm Φ100×450mm Φ120×300mm Φ120×450mm |
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Note: Special furnace size is customizable
If you have any questions, please feel free to contact me.
Better quality, Better service!
Replacement Bearing of China MWCVD Microwave Chemical Vapor Deposition Diamond Machine/ CVD Furnace data list | ||||||||
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China MWCVD Microwave Chemical Vapor Deposition Diamond Machine/ CVD Furnace Part Parameters | ||||||||
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| flour mixer machine for bakery | 24.995 Inch | 634.873 Millimeter | 19 Inch | 482.6 Millimeter | Flanged Pilot Type | 8482.20.00.00 | ||||
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| flour kneading machine price | 11000 | 4 x M24 | 15,4 mm | Double Row | ||||
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