High Vacuum Furnace

High Vacuum Furnace \ High Vacuum Tubular Annealing Furnace

DESCRIPTION:

Model No: LYL-IMT
Heating Rate: ≤0.1-40°C/min
Rated Voltage: 220V/380V
Chamber Size: Customizable
Design Temperature: 800°C-1800°C
Temperature Control Accuracy: ±1°C
Temperature Measuring Element: K (0-1300°C) / S(0-1600°C)/ B (0-1820°C)

Customization > Get A Quote

PRODUCT INTRODUCTION

PRODUCT PARAMETERS

Main Technical Parameters

Item	Specification
Rated Voltage	220V/380V
Design Temperature	800℃, 1000℃, 1200℃, 1400℃, 1600℃, 1700℃, 1800℃
Heating Rate	≤0.1-40℃/min (adjustable)
Heating Element	High-quality imported resistance wire / High-quality U-type silicon carbide rod / High-quality U-type silicon molybdenum rod
Temperature Control Accuracy	±1℃
Vacuum Degree	-0.1MPa~6.7×10⁻³Pa (optional)
Flowmeter	Float flowmeter (mass flowmeter optional)
Control Mode	Intelligent control, PID regulation, intelligent microcomputer control, multi-segment programmable temperature control curve, no need for supervision (automatic heating, heat preservation, power off when door opens)
Temperature Measuring Element	K (0-1300℃) / S (0-1600℃) / B (0-1820℃)
Furnace Chamber Material	Ceramic polycrystalline fiber / Alumina fiber / Composite alumina fiber / High-purity composite alumina fiber / Imported fiber
Atmosphere	Permeable protective cooling gases such as nitrogen, argon, oxygen, carbon monoxide can be used. Option to close off atmosphere is also available.
Heat Dissipation Method	Double-layer shell, air insulation layer (water cooling system optional with chiller)
Surface Temperature Rise	≤30℃
Accessories as per model	2 heating rods, 2 rods, 1 crucible tongs, 1 pair of refractory gloves, 1 instruction manual, 1 certificate of conformity

Selection Guide

Model	Furnace Chamber Dimensions (DepthWidthHeight mm)	Furnace Chamber Volume (L)	Power Supply Voltage (V)	Power (kW)	Temperature Control Accuracy
LYL-FANM-1	200 * 150 * 150	4.5	220	4	±1℃
LYL-FANM-2	300 * 200 * 120	7.2	220	6	±1℃
LYL-FANM-3	300 * 200 * 150	9	220	8	±1℃
LYL-FANM-4	300 * 200 * 200	12	220/380	10	±1℃
LYL-FANM-5	400 * 250 * 160	16	380	12	±1℃
LYL-FANM-6	400 * 300 * 300	36	380	14	±1℃
Temperature Class	800℃-1800℃ Optional
Customization	Non-standard models can be customized according to customer requirements, including chamber size, voltage, power, operating temperature, control system, etc.

STANDARD ACCESSORIES

Standard Accessories

Name		Picture	Quantity	Description
High-temperature Gloves			1 pair	Excellent comfort, keeps hands warm; Cut-resistant, abrasion-resistant, and heat-resistant (withstands contact with 350°C heat for 60 seconds, 100°C heat for 180 seconds). Durable.
Heating Elements	Silicon Carbide Rods		2 pieces	Silicon carbide elements, characterized by their high operating temperature, hardness, and brittleness, are ready for use after formation. For instance, silicon carbide rods and tubes, made from silicon carbide, can achieve a heating temperature of up to 1500°C under dry air conditions. Under vacuum conditions, the operating temperature ranges from 1000°C to 1200°C, while in a nitrogen atmosphere, the long-term use temperature reaches 1350°C.
Heating Elements	Silicon Molybdenum Rods		2 pieces	Silicon molybdenum rods, when heated to high temperatures in an oxidizing atmosphere, form a dense layer of quartz glass on the surface, protecting them from further oxidation. Therefore, silicon molybdenum rods exhibit high-temperature oxidation resistance. In an oxidizing atmosphere, they can reach temperatures up to 1800°C, making them suitable as heating elements for high-temperature furnaces in industries such as electronics, ceramics, magnetic materials, glass, metallurgy, and refractories.
Crucible Tongs			1 piece	1.A common chemical instrument typically used for handling crucibles. Generally made of stainless steel or other non-flammable, oxidation-resistant hard materials. 2.Clean crucible tongs must be used. 3.When using crucible tongs to pick up a hot crucible, the tips should be preheated first to prevent the crucible from cracking due to localized cooling. After use, the tongs should be placed on a table or asbestos mat with the tips facing upward. 4.After the experiment, crucible tongs should be cleaned, dried, and stored in the laboratory equipment cabinet. 5.Use the curved section for gripping crucibles; the tips are for other purposes. 6.Crucible tongs are not necessarily used exclusively with crucibles; they can also be used independently.

Optional Accessories List

Separate Control Cabinet	Touch Screen Instrument	Remote Auxiliary Module
Observation Window	Exhaust Hole and Chimney	Hot Air Fan
Crucible, Boat	Door Plug	Furnace Bottom Plate
Forced Draft	Thermocouple	Centralized Control Industrial Computer
Caster Wheel	Multi-point Temperature Measurement	Exhaust Gas Purification Device

Special Note

Item	Content
Factory Environment	1. Indoor use; 2. Ambient temperature range: ±5~45℃; 3. Relative humidity of surrounding environment does not exceed 85%; 4. No conductive dust, explosive gases, or gases that can severely damage metals and insulating materials around the furnace.
Safety Protection	1. When using the electric furnace for the first time or after long-term shutdown, baking is required; otherwise, it is easy to cause furnace cracking. 2. Keep clean regularly and check whether the furnace wiring is in good contact. 3. When using the electric furnace, the furnace temperature shall not exceed the rated temperature to avoid damaging the heating elements. It is forbidden to pour various flammable liquids and molten metals into the furnace. 4. During operation, generally below 300℃, the heating rate should not be too fast, because the furnace chamber is cold at the beginning of heating and needs to absorb a lot of heat.
Friendly Tips	1. To ensure the normal service life of the equipment, please do not run at the rated temperature for a long time. 2. Carefully check and verify the quantity of goods and accessories upon receipt to avoid inconvenience caused by missing or incorrect items. 3. To extend the service life of the instrument, we recommend a heating rate and cooling rate of 10℃/min. 4. The cooling rate should not exceed 5℃/min. 5. This furnace has no vacuum sealing structure, so flammable and explosive gases must not be introduced. 6. After this furnace has been used for a period of time, slight cracks may appear in the furnace chamber, which is a normal phenomenon and will not affect usage. At the same time, it can be repaired with alumina coating.

Item

Content

Factory Environment

1. Indoor use;

2. Ambient temperature range: ±5~45℃;

3. Relative humidity of surrounding environment does not exceed 85%;

4. No conductive dust, explosive gases, or gases that can severely damage metals and insulating materials around the furnace.

Safety Protection

1. When using the electric furnace for the first time or after long-term shutdown, baking is required; otherwise, it is easy to cause furnace cracking.

2. Keep clean regularly and check whether the furnace wiring is in good contact.

3. When using the electric furnace, the furnace temperature shall not exceed the rated temperature to avoid damaging the heating elements. It is forbidden to pour various flammable liquids and molten metals into the furnace.

4. During operation, generally below 300℃, the heating rate should not be too fast, because the furnace chamber is cold at the beginning of heating and needs to absorb a lot of heat.

Friendly Tips

1. To ensure the normal service life of the equipment, please do not run at the rated temperature for a long time.

2. Carefully check and verify the quantity of goods and accessories upon receipt to avoid inconvenience caused by missing or incorrect items.

3. To extend the service life of the instrument, we recommend a heating rate and cooling rate of 10℃/min.

4. The cooling rate should not exceed 5℃/min.

5. This furnace has no vacuum sealing structure, so flammable and explosive gases must not be introduced.

6. After this furnace has been used for a period of time, slight cracks may appear in the furnace chamber, which is a normal phenomenon and will not affect usage. At the same time, it can be repaired with alumina coating.

Common Faults & Trouble Shooting

Fault Phenomena	Fault Causes	Troubleshooting Methods
No power indication when turning on the control power switch	Control circuit issue, blown fuse, or no power supply	Check for short circuits, rectify, and replace the fuse
Voltage present but no current during equipment operation	Heating element broken	Replace the heating element
Instrument PV display shows the maximum temperature for the corresponding thermocouple type	Thermocouple short circuit	Replace the thermocouple
All power supplies normal but furnace does not heat up	Main control circuit damaged	Notify a qualified technician for repair