• Pit Furnace

Pit Furnace

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Gas Fired/Electric Pit Type Furnace by Therelek

Our pit furnaces are designed and manufactured for very small to very large workpieces. Pit furnace is available with or without retorts in customized dimensions and variations to carry out the complete heat-treatment process.

Pit furnaces are used in various applications like gears of wind power generation and bearings in the railway industry for gas carburizing and nitriding.

Features & Specifications

Temperature Range: Up to 600Ā°C (for low temperature) & Up to 1100Ā°C (for high temperature)

Retort MOC: AISI 304/AISI 310/AISI 316/AISI 330/Inconel 600

Insulation: Vacuum Formed Ceramic Fibre Modules/Ceramic Fibre Blanket & Module/Refractory Brick Lining

Heating media options: Electric/Gas Fired/Oil Fired

Heating elements: Nichrome Wire/Special Alloy Resistance Heating Wire

Furnace classification: Class 2/Class 3

Instrumentation options: Process Automation Equipment, Thyristor, Programmable Temperature Controller, Temperature Recorder, PLC, SCADA, HMI

Standard applications: Stress Relieving, Tempering

Types of Pit Type Furnace

Low Temperature Pit Type Furnace

Pit type air circulation furnaces are installed with the opening at ground level or just above it. These are low-temperature furnaces with operating temperatures up to 650Ā°C.

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High Temperature Pit Type Furnace

Pit type sealed retort furnaces are of a cylindrical design vertically erected with a positive sealing mechanism on top in order to contain and preserve heat and atmosphere during a process cycle.

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More about Pit Furnace

  • Applications

Ā» Stress relieving

Ā» Tempering

Ā» Annealing/Annealing under protective atmosphere

Ā» Isothermal Annealing

Ā» Carbonitriding

Ā» Carburizing

Ā» Decarb annealing

Ā» Gas Nitriding

Ā» Hardening

Ā» Stress Relieving

Ā» Wire annealing

Ā» Ferritic Nitro Carburizing

Ā» Normalizing

Ā» Case Hardening

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