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Laboratory vacuum hardening furnace for SKS,SKD,SKH iron
Introduction of laboratory vacuum hardeing furnace
PT series vacuum furnace is widely used for heating treatment of metal materials in low vacuum, recursive, protective atmosphere, also can be used for heating treatment of special materials, such as carbonization process of carbon products. The furnace chamber is ceramic fiber with excellent thermal insulation; Vacuum Reservoir with water cooling system.
Features of laboratory vacuum hardeing furnace
*The furnace can warm up quickly in 20-40 minutes;
*Programmable automatic temperature control system;
*Light ceramic fiber products as furnace chamber, compared to old furnace, the weight of our furnace is less than 40%, the consumptive power is less than 40%;
*Communication software with USB cable to computer (optional);
*Temperature control can reach to ±1°C;
Specifications of laboratory vacuum hardening furnace
| Furnace construction | • 1700 type high purity ceramic fibre insulation; |
| Chamber Size (list of standard sizes in stock; other sizes customized ) | 100x100x100mm; 120x120x130mm; 150x150x150mm; 150x150x200mm; 200x200x200mm; 200x200x300mm; 300x300x300mm; 300x300x400mm |
| Power | 1KW~120KW |
| Voltage | AC 110V-440V, 50/60HZ (please tell us when your place order.) |
| Max. Temperature | 1200/1400/1600 °C (< 3 hours) |
| Continuous work temp. | 1100/1300/1500°C |
| Max. Heating Rate | 15 °C /min |
| Temperature controller | • PID automatic control and auto-tune function. • 51 programmable segments for precise control. • Built in protection for over-heated and broken Thermal couple. • Larger digital control panel (48 x 96 mm) for easy operation. |
| Vacuum system | Double rotary pump + Diffusion pump + multi-vacuum gauge + high vacuum valves |
| Max. vacuum | 7x10-3 Pa |
| Temperature Accuracy | +/- 1 °C |
| Heating Element | Resistance wire/ SiC heating element / MoSi2 heating element |
| Heating Element | K/S/ B type |
| Outer Dimension | Dia300~dia1200mm |
| Gross weight with package | 280Kgs~2500kgs |
| Accessories (free charge) | |
| Warranty | One year limited warranty (Consumable parts such as thermocouple, o-rings and heating elements are not covered by the warranty, please order the replacements at related products below.) |
Standard Size(Other sizes are available):
| Standard chamber size (Length x Width x Height) | Delivery time | Standard chamber size (Length x Width x Height) | Delivery time |
| 150x150x150mm | 30 days | 300x300x400mm | 30 days |
| 150x150x200mm | 30 days | 400x400x400mm | 30 days |
| 200x200x200mm | 30 days | 500x500x500mm | 30 days |
| 200x200x300mm | 30 days | 600x600x600mm | 30 days |
| 300x300x300mm | 30 days | 800x800x800mm | 30 days |
Picturers:


Note: Any colors, any logo acceptable, sizes can customizable.

Zhengzhou Protech Furnace Co., Ltd is one professional supplier of high temperature furnace and heating element, like lab muffle furnace, tube furnace, dental furnace, vacuum furnace,atmosphere furnace,induction furnace, gold melting furnace, SiC heating element, MoSi2 heating element, alumina tubes and crucibles, and etc.
We have rich experience in the various thermal applications fields, especially on the high temperature lab furnace and heating elements researthing and developping working, which earn us a sound reputation among our product
users and clients.

1. Reply your inquiry in 24 working hours.
2. Experienced staffs answer all your questions in fluent English.
3. Customized design is available.
4. Exclusive and unique solution can be provided to our customer by our well trained
and professional engineers and staff.
5.As an honest seller, we always use superior raw material, advanced machines,
skilled technicians to ensure our products to be finished in high quality and stable feature.
1. What’s your MOQ ?
At present we haven’t strict policy for this,so welcome orders with any quantity.
2. Are you a manufacturer or trade company ?
Yes,you can assured that we are a producer with full experience doing business in domestic and oversea.
3. We are not professional for operation and installation of your machine?
While it is not a stumbling block,our machine is easy to operate,no need to professional training,and the instruction manual and vedio sent to you are enough.What’s more,we have professional engineers and they can solve all questions.
4. How about packaging ?………….if machine damaged,what should I do ?
Usually machine is packed with wooden case and standard export carton,plywood carton or as your requirement.Damage haven’t happened before,if happen,we will arrange replacement.
5. We haven’t do business before,how can I trust your company and machine ?
We have been GOLD supplier for three years with no complaints on Alibaba.and our machine have exported to Eath Asia,South Asia,the middle East Asia,Africa etc. areas and have a good feedback.
Contact :Anna Liu
Skype:protechsales03
Mob.:86-18137195605
Tel:86-0371 67103035
Email:anna(@)lab-furnace.com
QQ:535221892
We have professional engineers with rich experiences on material research and application,
please feel free to contact us if you have any requirement or questions,
we will be available to service you anytime!
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