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furnaces
High Temperature Muffle Furnace Manufacturer – 1700°C
As a High Temperature Muffle Furnace Manufacturer, METREX designs and manufactures precision-engineered muffle furnaces capable of operating up to 1700°C. These furnaces are widely used in laboratories and industrial environments for heat treatment, material testing, sintering, and high-temperature research applications.
Model: MF - 17PTechnical Specifications of High Temperature Muffle Furnace
- Maximum Temp: 1700°C
- Working Temp: 1600°C / 1650°C
- Temp Accuracy: ±2°C
- Heating Elements: Molybdenum disilicide (MoSi2), replaceable
- Inner Chamber: Ceramic Brick / Board with heating elements
- Insulation: Ultra high purity alumina low thermal mass
- Construction: Triple walled, powder coated mild steel body
- Door: Parallel action hinged, insulated with ceramic fibre
- Power Control: SCR unit (Phase Angle Thyristor)
- Temp Control: Microprocessor based, dual display, soft touch keys
- Sensor: Pt / Pt - Rh
- Safety: Over current & short circuit protection
- Control Panel: Separate with electrical accessories
- Power Supply: 415 Volts, 2/3 phase AC
Inner Muffle Size
| W x H x D | Load |
|---|---|
| 150 x 150 x 300 mm | 6.0 kw |
| 150 x 150 x 200 mm | 4.0 kw |
| 200 x 200 x 200 mm | 8.0 kw |
Optional
Data logger to store data upto 1 Lakh records, viewable on PC in Excel sheet.
Muffle Furnace Manufacturer – 1200°C / 950°C
As a Muffle Furnace Manufacturer, METREX designs and manufactures reliable muffle furnaces operating at 1200°C and 950°C for laboratory and industrial applications. These furnaces are ideal for routine heat treatment, material testing, annealing, and general laboratory heating where precise temperature control and energy efficiency are required.
Model: MF - 9M / MF - 12MTechnical Specifications
- Lightweight with ceramic fibre wool insulation (instead of brick insulation).
- Outer casing made of double-walled thick P.C.R.C. sheet, powder coated.
- Heating Element: Kanthal “A-1” wire.
- Insulation: High-grade ceramic fibre insulation, minimal heat loss.
- Viewing cap provided on door for observation without heat loss.
- Temperature controlled by Microprocessor PID Digital Controller, dual display.
- Temp Accuracy: ±1°C.
- Works on 220/230V, 1 phase or 415/440V, 3 phase AC supply (for large furnaces).
Inner Muffle Size - MF 9M
| Size (W × H × D) | Rating |
|---|---|
| 100 × 100 × 225 mm (4" × 4" × 9") | 2.5 kW |
| 125 × 125 × 250 mm (5" × 5" × 10") | 3.0 kW |
| 150 × 150 × 300 mm (6" × 6" × 12") | 4.0 kW |
| 200 × 200 × 300 mm (8" × 8" × 12") | 6.0 kW |
| 250 × 250 × 400 mm (10" × 10" × 16") | 8.0 kW |
| 300 × 300 × 450 mm (12" × 12" × 18") | 10.0 kW |
Inner Muffle Size - MF 12M
| Size (W × H × D) | Rating |
|---|---|
| 100 × 100 × 225 mm | 1.5 kW |
| 125 × 125 × 250 mm | 2.0 kW |
| 150 × 150 × 300 mm | 3.0 kW |
| 200 × 200 × 300 mm | 4.0 kW |
| 250 × 250 × 400 mm | 5.0 kW |
| 300 × 300 × 450 mm | 6.0 kW |
Working Temperature
MF-9M: 1200°C | MF-12M: 950°C
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High Temperature Muffle Furnace - 1400°C (Advance)
Model: MF - 14P / 12P (Advance)Technical Specifications
| Specification | MF - 14P (Advance) | MF - 12P (Advance) |
|---|---|---|
| Maximum Temp | 1500°C | 1200°C |
| Working Temp | 1400°C | 1150°C |
| Temp Accuracy | ±1°C | |
| Heating Elements | Silicon Carbide, end connection | Kanthal A1 Wire, Coil Type |
| Inner Chamber | Ceramic Board with SiC base plate | Grooved Refractory with embedded coils |
| Insulation | Ceramic Fibre | |
| Construction | Triple walled, air insulated for minimal skin temp | |
| Body | Mild steel, powder coated | |
| Door | Parallel action hinged, ceramic fibre lining | |
| Power Control | SCR unit (Phase Angle Thyristor) | |
| Temp Control | 5.6" Touch Screen TFT display, programmable steps, dual set point & soft touch keys | |
| Safety | Over current, short circuit, thermocouple break alarm, high temp alarm | |
| Power Supply | 220V, 1 Phase AC supply / 415V, 3 Phase AC | |
Inner Muffle Size
| Size (W × H × D) | Load (kW) MF-14P(A) | Load (kW) MF-12P(A) | Power Supply |
|---|---|---|---|
| 100 × 100 × 125 mm | 2.5 | 2.0 | 220V, 1 Phase AC |
| 125 × 125 × 250 mm | 3.0 | 2.5 | 220V, 1 Phase AC |
| 150 × 150 × 300 mm | 4.0 | 3.0 | 220V, 1 Phase AC |
| 200 × 200 × 300 mm | 6.0 | 4.0 | 415V, 3 Phase AC |
| 300 × 300 × 300 mm | 7.0 | 5.0 | 415V, 3 Phase AC |
Optional
Data acquisition on PEN drive, viewable in Excel sheet.
Programmable Muffle Furnace - 1500°C
Model: MF - 14PTechnical Specifications
- Maximum Temp: 1500°C
- Working Temp: 1400°C
- Temp Accuracy: ±1°C
- Heating Elements: Silicon Carbide Spiral / Rod type, easily replaceable
- Inner Chamber: Ceramic Board with Silicon Carbide base plate, heating elements placed on top
- Insulation: Ceramic Fibre of Zirconia grade
- Construction: Triple walled with air insulation for minimal skin temp
- Body: Mild steel, powder coated
- Door: Parallel action hinged, insulated with ceramic fibre, viewing cap
- Power Control: SCR unit (Phase Angle Thyristor)
- Temp Control: Microprocessor programmable controller, 1 program × 16 segments, dual display
- Sensor: Pt / Pt - Rh 13%
- Safety: Over current & short circuit protection, thermocouple break alarm, high temp alarm
- Control Panel: 220V single phase AC / 415V 3-phase (for 6kW & above)
Inner Muffle Size
| W x H x D | Load |
|---|---|
| 100 x 100 x 125 mm | 2.5 kW |
| 125 x 125 x 250 mm | 3.0 kW |
| 150 x 150 x 300 mm | 4.0 kW |
| 200 x 200 x 300 mm | 6.0 kW |
| 300 x 300 x 300 mm | 7.0 kW |
Optional
Data logger to store data upto 1 Lakh records, viewable on PC in Excel sheet.
Bottom Loading Furnace
Model: MBL - 15Technical Specifications
- Maximum Temp: 1500°C
- Working Temp: 1400°C
- Heating Elements: Silicon Carbide Heating Element (two sides, easily replaceable)
- Insulation: High Density Ceramic Insulation
- Furnace has opening at Top and Bottom. Bottom lid closed by Motorized Lifting, crucible with sample can be lifted for heating and lowered by push of button.
- Control Panel: Placed on the side with all components.
- Temp. Programmer: Microprocessor-based with minimum 1 program × 16 segments (ramp/soak).
- Control: SCR Unit (phase angle thyristor)
- Melting Capacity:
- 2–3 kg (Aluminium), Size 150 × 150 × 200 mm (W × L × H)
- 3–5 kg (Aluminium), Size 200 × 200 × 250 mm (W × L × H)
- Power Supply: 220V / Single Phase / 50Hz
Optional
Data logger to store up to 1 Lakh records. Data can be downloaded in pen drive and viewed on PC in Excel sheet.
Split Type Furnace
Model: MS - 11 (V/H) & MS - 14 (V/H)Technical Specifications
| Model | MS-11 (V/H) | MS-14 (V/H) |
|---|---|---|
| Maximum Temp | 1200°C | 1500°C |
| Working Temp | 1100°C | 1400°C |
| Temp. Accuracy | ± 1°C | ± 1°C |
| Heating Elements | Kanthal A1 wire, Coil type with end connections | Silicon carbide with end connections, easily replaceable |
| Inner Chamber | Ceramic Refractory / Board | Ceramic Fibre Zirconia grade |
| Insulation | Ceramic Fibre | Ceramic Fibre |
| Construction | Split Type (Vertical V / Horizontal H) | Split Type (Vertical V / Horizontal H) |
| Body | Made of mild steel, duly powder coated | |
| Max Tube Size to be Accommodated (Without Tube) |
Dia. up to 70 mm | Hot Zone length = 220 mm | Overall length = 480 mm | |
| Power Control | SSR Unit | SCR Unit (Phase Angle Thyristor) |
| Temp. Control | Microprocessor based PID Digital Set Point Controller, dual display of Set & Actual Temp, with soft touch keys, thermocouple break protection & cold junction compensation | |
| Sensor | Cr / Al | Pt / Pt-Rh 13% |
| Safety | Over current and short circuit protection, thermocouple break alarm, high temperature alarm | |
| Power Supply | 220 Volts, single phase AC supply | |
Three Zone Tube Furnace
Model: MTZ - 12 / MTZ - 14Technical Specifications
| Specification | Details |
|---|---|
| Construction | Table mounted furnace. Tubular furnace opened at both ends, suitable for tube Ø65 mm. Made of KANTHAL A1 modules with elements embedded into the periphery, virtually fume radiating. |
| Hot Zone | 3 zones, each zone length Ø225 mm. End openings Ø65 mm for quartz/alumina tube. Overall furnace length ≈ 950 mm. |
| MTZ-12 | Maximum Temp: Up to 1200°C, Working Temp: 1100°C |
| MTZ-14 | Maximum Temp: Up to 1400°C, Working Temp: 1350°C |
| Temp. Controller | Each zone controlled by separate programmable temperature controllers (1 Program × 16 steps) |
| Power | Approx. 9 KW, 3 Phase AC Supply |
| Size | Overall length = 950 mm, Dia = 65 mm. Compatible with quartz/alumina tube (OD = 65 mm / Length = 1200 mm) & stainless steel high vacuum flanges for 10⁻² torr vacuum at room temp or gas purging. |
| Optional |
|
Rocking Tube Furnace
Model: MRF - 11P / MRF - 14PTechnical Specifications
| MODEL | MRF-11P | MRF-14P |
|---|---|---|
| Maximum Temp. | 1150°C | 1400°C |
| Working Temp. | 1000°C | 1350°C |
| Temp. Accuracy | ± 1°C | ± 1°C |
| Heating Elements | Kanthal – A1 wire, Coil type wound on the tube | Silicon Carbide Heating Rods |
| Tube Diameter | 40 mm | 40 mm |
| Tube Material | Alumina | Alumina |
| External Diameter of Furnace | 250 mm | 400 mm |
| Overall Length | 400 mm | 600 mm |
| Hot Zone Length | 200 mm | 200 mm |
| Rocking Angle | ± 30° | ± 30° |
| Insulation | Ceramic Fibre | Ceramic Fibre |
| Temp. Control | Microprocessor based Programmable (1 prog. × 16 segments) Temp. Controller, with ramp and soak segments. Dual display of Set & Actual Temp. with soft touch keys, with Thermocouple break protection & Cold junction compensation. | |
| Sensor | Cr / Al | Pt / Pt-Rh |
| Safety | Over current and Short Circuit Protection, Thermocouple break alarm, High Temp. alarm | |
| Power Control | SSR Unit | Thyristor Control Unit |
| Power Supply | 220V, 50Hz Single Phase AC only | |
| Optional |
|
|
Tilting Furnace
Model: MTF - 10Technical Specifications
| Specification | Details |
|---|---|
| Maximum Temperature | 1100°C |
| Crucible | Silicon Carbide Pot |
| Capacity | 10 kg (Aluminium) |
| Thermocouple | K Type |
| Temperature Controller | PID Digital Temperature Controller |
| Power Relay | Contactor |
| Control Panel | Separate |
| Tilting | Manual |
| Fabrication | Heavy Angle Iron Frame |
| Power Supply | 415V, 3 Phase AC |
Thermal CVD Furnace
Model: MCVD - 11/14Technical Specifications
| Specification | Details |
|---|---|
| Number of Zones | One / Two / Three Zone (as per requirement) |
| Heating Temperature Range | Up to 1200°C / 1400°C |
| Heating Element | Kanthal A-1 / Silicon Carbide |
| Temperature Accuracy | ±1°C |
| Furnace Tube Size | ID = 60 mm, OD = 65 mm, Length = 1200 mm |
| Quartz Tube with Flanges | High purity fused quartz (up to 1100°C) |
| Flanges | SS 304 with double silicon ‘O’ ring and metal ring, KF-25 connection |
| Heating Rate | 15°C per minute (max) |
| Display | 7” LCD Touch Screen HMI with data logging |
| Construction | Horizontal and Split type |
| Insulation | Vacuum formed Zirconia fiber |
| Shell Construction | MS body with powder coating, double layer body |
| Temperature Control | 3× (30 segment) PID Programmable Digital Temp. Controller |
| Temperature Sensor | 3 numbers (K-type up to 1200°C / R-type up to 1400°C) |
| Power Control | SSR Unit / Thyristor Unit |
Vacuum Furnace
Model: MVF - 1000Technical Specifications
| Specification | Details |
|---|---|
| Furnace Structure | Double layers steel casing with fan cooling |
| Inner Vacuum Furnace Chamber Size | 100 × 100 × 100 mm (W × D × H) |
| Suitable Tray Size | Alumina tray of size 100 × 100 mm |
| Outer Chamber | Steel cylindrical chamber with vacuum & gas purging attachment |
| Temperature Control | Programmable PID digital auto temperature control (1 program × 16 segments) |
| Overheat Protection | Built-in overheat protection and thermocouple accuracy from 1 to 10°C/min; soak time adjustable as desired |
| Control Accuracy | ±1°C |
| Working Temperature | 1500°C |
| Thermocouple | R-Type |
| Heater | MoSi₂ (Molybdenum Disilicide) heaters |
| Gas Purging | Inlet at bottom and outlet at top of opposite wall (diagonally opposite) for efficient gas flow |
| Power | 4 KW |
| Control Panel | Mounted on side or bottom of the furnace with temperature & vacuum indicators, gas flow meter, switches, etc. |
| Vacuum Pump & Valve | Pumping rate: 200 L/min. Double stage vacuum pump with diffusion pump to maintain vacuum of 10⁻² to 10⁻³ torr @ 1500°C |
| Optional |
1. Gas flow meter 50 to 500 SCCM (gas to be specified) 2. MFC flow rate up to 1000 SCCM |
Salt Bath Furnace
Model: MSB - 1000Technical Specifications
| Specification | Details |
|---|---|
| Furnace Type | Salt bath furnace for quenching up to 800°C |
| Bath Volume | Dia = 70 cm, Depth = 70 cm |
| Material of Crucible | SS 310, 8 mm thickness |
| Heating Element | Kanthal A1 |
| Temperature Range | 150°C to 800°C |
| Temperature Control | PID Temp. Control with contactor/relay, Accuracy ±1°C |
| Operation Time | 6 to 12 hours |
| Construction | Cylindrical shape, top opening with manual cover closing |
| Heating Element Placement | Placed on circumference and over the height |
| Insulation | Ceramic fiber blanket with outer mild steel casing |
| Power | 65 KW |
| Supply | 415V, 3 phase AC supply |
| Accessories (Optional) |
|
Programmable Furnace
Model: MF - 9P / MF - 12PTechnical Specifications
- Profile Temperature Controller with programmable microprocessor.
- Minimum 1 program × 16 segments (ramp / soak profile).
- Temperature Set Point Accuracy: ±1°C.
Inner Muffle Size
| Model | Size (W × H × D) |
|---|---|
| MF-9P / MF-12P | 100 × 100 × 225 mm (4" × 4" × 9") |
| MF-9P / MF-12P | 125 × 125 × 250 mm (5" × 5" × 10") |
| MF-9P / MF-12P | 150 × 150 × 300 mm (6" × 6" × 12") |
| MF-9P / MF-12P | 200 × 200 × 300 mm (8" × 8" × 12") |
| MF-9P / MF-12P | 250 × 250 × 400 mm (10" × 10" × 16") |
| MF-9P / MF-12P | 300 × 300 × 450 mm (12" × 12" × 18") |
Optional
Data logger to store up to 1 Lakh records. Data can be downloaded in pen drive and viewed on PC in Excel sheet.
High Temperature Tube Furnace
Model: MT - 17PTechnical Specifications
- Maximum Temp: 1700°C
- Working Temp: 1600°C / 1650°C
- Heating Elements: Molybdenum disilicide (MoSi₂), easily replaceable
- Insulation: Ceramic Brick / Board, with heating elements placed on side walls
- Outer Casing: Double walled thick P.C.R.C. sheet, powder coated
- Design: Triple wall with air insulation for minimal skin temperature
- Heating Zone: High purity recrystallized alumina tube
- Tube Sizes: Inner diameter 25 mm – 150 mm; overall length 700 mm
- End Fittings: Stainless steel with water cooled flanges
- Temperature Control: Microprocessor-based PID programmable Temp. Controller
- Display: Dual display of actual & set temperature, works with thermocouple input
- Power Control: SCR unit (Phase Angle Thyristor) with current limit and soft start
- Safety:
- P.I.D. Semiconductor safety fuse for overload protection
- Broken thermocouple protection with alarm cutoff
- Electrical accessories on bottom panel
- Power Supply: 220V / 230V, 1 Phase AC supply
Optional
High-purity recrystallized alumina tube with gas purging arrangement (argon, nitrogen, etc.).
Water circulation arrangement for flanges.
Vacuum system (rotary vane pump) with gauge and fittings.
Gas flow meter with needle valve.
Quartz tube for low temperature applications.
Digital mass flow controller.
Vacuum pump and accessories.
Programmable Tube Furnace
Model: MT - 11P / MT - 14PTechnical Specifications
- Maximum Temp: MT-11P → 1500°C | MT-14P → 1400°C
- Working Temp: 1400°C / 1300°C
- Heating Elements: Silicon Carbide with end connection, easily replaceable
- Insulation: Ceramic Fibre Board with heating elements
- Outer Casing: Double walled thick P.C.R.C. sheet, powder coated
- Design: Triple wall with air insulation for minimal skin temperature
- Heating Zone: High purity recrystallized alumina tube
- Tube Sizes: Inner dia. 40 mm × length 200 mm | overall length 700 mm
- End Fittings: Stainless steel with water cooled flanges
- Gas Purging: Gas purging system with two end stainless steel couplers
- Temperature Control: Microprocessor based programmable Temp. Controller
- Display: Dual display of actual & set temperature with thermocouple input
- Power Control: SCR unit (phase angle thyristor) with current limit & soft start
- Safety: Overcurrent and short circuit protection, semi conductor fuse for overload protection
- Power Supply: 220 V, 50 Hz, single phase AC supply
Optional (For All Tube Furnace)
• Alumina Tube with Gas Inlet
• Stainless Steel Flanges with O-Ring
• Vacuum Flanges with Rotary Vacuum Pump
• Gas Flow Meter with Needle Valve
• Digital Mass Flow Controller
• Vacuum Gauge
• Quartz Tube for Low Temperature Applications
• Water Circulation Arrangement for Cooling of Flanges
Programmable Split Type Furnace
Model: MS - 11P (V/H) & MS - 14P (V/H)Technical Specifications
Same as Split Type Furnace but with Programmable Controller having minimum 1 program × 16 segments (ramp / soak profile) instead of set point PID Controller.
Two Zone Split Type Furnace
Model: MST - 11 (H) & MST - 14 (H)Technical Specifications
| Model | MST-11 (H) | MST-14 (H) |
|---|---|---|
| Maximum Temp | Zone 1 = 1150°C Zone 2 = 800°C |
Zone 1 = 1400°C Zone 2 = 1000°C |
| Temp. Accuracy | ± 1°C | ± 1°C |
| Heating Elements | Kanthal A1 wire, Coil type with end connections | Silicon carbide with end connections, easily replaceable |
| Inner Chamber | Ceramic Refractory / Board | Ceramic Fibre Zirconia grade |
| Insulation | Ceramic Fibre | Ceramic Fibre |
| Construction | Split Type (Horizontal) | |
| Body | Made of mild steel, duly powder coated | |
| Max. Tube Size to be Accommodated (Without Tube) |
Dia. up to 70 mm | Hot Zone 1 = 225 mm | Hot Zone 2 = 450 mm Overall length = 1000 mm (approx) |
|
| Power Control | SSR Unit | SCR Unit (Phase Angle Thyristor) |
| Temp. Control | Microprocessor based PID Digital Set Point Controller individual for each Zone, dual display of Set & Actual Temp, with soft touch keys, thermocouple break protection & cold junction compensation | |
| Sensor | Cr / Al for each Zone | Pt / Pt-Rh 13% for each Zone |
| Safety | Over current and short circuit protection, thermocouple break alarm, high temperature alarm | |
| Power Supply | 220 Volts, single phase AC supply | |
Rectangular Furnace
Model: MRF - 100Technical Specifications
- Outer casing is made of double walled thick P.C.R.C Sheet, finished with attractive powder coating.
- Insulation of ceramic fibre board or with refractory brick insulation.
- Elements are made of KANTHAL “A-1” wire in coil form.
- Inner muffle size: 24 inch wide, 30 inch depth and 24 inch high.
- Temperature controlled by programmable microprocessor based PID controller (master-slave set up) with soft touch key pad and dual display of process and set temperature.
- Temperature set point accuracy ±1°C.
- Power unit is 3 phase single phase firing Thyristor having smooth increase of current instead of pulse type.
- With Digital 8 channel Data Recorder: stored data can be transferred to pen drive and viewed on PC in Excel sheet.
- Maximum Temperature: 1200°C | Working Temp: 1100°C.
- Heating Elements placed on both sides for uniform heating.
- Furnace divided in 3 Zones, each zone with independent sensors and thyristors in master-slave set up.
- Uniform heating arrangement throughout furnace.
- Rating: Minimum 18 KW.
- Suitable for 415/440 Volts A.C. 3 phase supply.
- Designed for heating concrete beams, base is heavy and can support 100 kg weight.
- Suitable insulated door arrangements for inserting/removing specimens.
- Mounted on heavy angle iron stand with wheels for easy movement.
Cylindrical Furnace
Model: MCF - 11 (V/H)Technical Specifications
- Tube furnace comprises of Alumina tube of Dia 50mm and length 250mm.
- Hot zone of 100mm at the centre.
- The tube has both ends open; thermocouple is placed at one end.
- Can be oriented vertically or horizontally (as ordered).
- Control panel separate with PID microprocessor controller, solid state relay, etc.
- Suitable to work on 220V, 50Hz AC only.
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