Controlled Atmosphere Furnace for Material Processing 1600°C (12x8x8″ 12L)

PQ L12/17 is an controlled atmosphere muffle furnace, the furnace structure was built in sealing type, which makes it could be working under Vacuum, Nitrogen and other inert gases atmosphere situation, and the chamber insulated with 1800# high quality alumina lining board, heating elements are powerful MoSi2 rods, the temperature is controlled by high precision SCR (Silicon Controlled Rectifier) digital controller with accuracy ±1°C and many segments programmable up to 1600°C.

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Product Overview

Controlled Atmosphere Furnace provides an environment for various purpose in many heat treatment experiments, providing the controlled temperature and atmosphere specific projects require. The controlled atmosphere ensure to complete tasks that require suitable temperatures. This is the best way to ensure the successful outcome of your project because it is sealed tightly to ensure the proper environment.
One of the main components of the atmosphere furnace is the correct mixture of gases. The precise measurement of each gas is essential to the success of your project. You can use a separate chamber to mix the gases, which are then pumped into the furnace chamber where the work will be completed when they are done mixing. It is essential that the separate chamber that holds the gases does not receive any outside air because it could throw off the gas mixture and render your project useless.
Programtherm design and produce a variety of controlled atmosphere furnaces based on customer’s needs, and programtherm atmosphere furnace makes your heat treatment more successful.

Main Features
  • Tmax 1700°C (in air)
  • Dual steel structure, air tight chamber, controlled atmosphere muffle furnace
  • Multiple gas inlets and outlets with stainless steel ball valves and mechnical gauge
  • Positive pressure up to 0.03Mpa and vacuum up to – 0.09Mpa
  • Water circulation device for furnace cooling
  • Powerful MoSi2 heaters heating from two sides ensure uniform temperature
  • Precise PID controller with progrmmable 30 segments
  • Touchscreen temperature controller, heating curves display on time
  • Long life type B thermocouple
  • CE certified, standard
Safety
  • Built-in ammeter and dual voltmeters for easy monitoring and troubleshooting.
  • Overheat protection shuts down the furnace if temperature is outside of acceptable range (refer to controller’s manual) or when the thermocouple is broken or malfunctions
  • Power failure protection resumes furnace operation right after the point of failure when power is reestablished
  • Microprocessor based self-tuning PID control provides optimum thermal process with minimal overshoot
Product Illustration

Atmosphere furnace PA L12/17
Atmosphere furnace PA L12/17
Atmosphere furnace PA L12/17

Technical Specifications
Model No.PA L12/17
Chamber size (DxWxH)300x200x200mm /12x8x8″
Capacity: 12 Liters
Power supply6KW
AC220V, 50/60Hz, 1 phase
Working temperatureTmax 1700°C (3092°F)
Continuously 1600°C (2912°F)
Temperature uniformity +/- 5C
Temperature controllerYudian PID controller
Auto-tune function
Programmable 30 segments
Temperature accuracy +/- 1°C
Gas port1/4″ hose barb
Working environmentsAir, inert gases, rough vacuum
Gas PressureNot to exceed 0.03 MPa / 150 torr / 3 psi
Vacuum levelMax 20000Pa
Heating rate≤10°C / min
Heating elementMoSi2 (U shape, 4pcs)
ThermocoupleB type
Chamber liningMitsubishi Raw Material high alumina 1800# fiber board
Electronic componentsSchneider maker air switch, AC contactor, SSR Relay etc.
Shipping infoWeight: 375 kgs
W970xL950xH1550mm
ComplianceCE, ISO
WarrantyOne-year limited warranty with lifetime support
Application Notes
  • However, toxic or explosive gasses are not recommended for use with controlled atmosphere furnace without necessary safety controls and supervision.
  • Small cracks may appear on the surface of the refractory ceramics over extended use. This is a normal occurrence and the cracks may be repaired with alumina coating
  • Ultimate vacuum level for PQ Controlled Atmosphere muffle furnace is around 20000 Pa with hose barb connections. Please keep in mind that our PQ atmosphere furnaces are NOT designed to be vacuum furnaces, the vacuuming part is mainly for users to pre-vac the chamber, before putting in inert or other protective gases, if you have special request on vacuum level, please order our professional vacuum furnaces.
Size Comparison
Item namePA L3/17PA L8/17PA L20/17
Inner size (DxWxH)150x150x150mm200x200x200mm400x300x300mm
Capacity3 L8 L20 L
Power4 KW5 KW7 KW
Overall dimensions (LxWxH)560x760x1310mm700x810x1360mm750x860x1450mm
Weight290 KGS330 KGS380 KGS

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