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Industrial sectors

Heat treatment

Introduction

Wide range of sensors for controlling electrical thermal processes of any size

Process control is critical in the heat treatment sector. Gefran offers a specific range of products and the best process control solutions for electrical heat treatments, from small laboratory kilns to large metal/glass/silicon furnaces.
These products provide features such as energy efficiency, preventive maintenance, advanced process control, and process data storage and management.
The range includes products such as: indicators and alarm units, single and multi-loop PID controllerspower units to control electrical heating by means of resistive loads, SWIR lamps, and multi-I/O products with integrated control functions, automation, and process data recording and storage.

Our case history


Heat treatment

Linn – Inductive heated lab furnace

Heat treatment

Isoclima (B.H.T.) – High performance glass

Articles

01

The overcurrent fault protection (OFP) in heat treatment

Safe control of the heat treatment system process with electronic fuses

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Application Notes

Dual zone PID controller for Steelworks Annealing and Tempering Furnace

Find out how to control the temperature in a 900° annealing and tempering furnace

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Application Notes

Power resistors in vacuum furnaces

Discover the advantages of a robust and performing vacuum oven control system thanks to the power resistors

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Application Notes

Controllers for bright annealing furnaces

Find out how to achieve temperature uniformity of 1.5 ° C in a 3-zone metal heat treatment furnace with a multifunctional PID controller

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Application Notes

Power controller in the holding furnaces for die casting

How to solve the non-linearity of the resistive value of the SiC heater with the power controller in the holding furnaces for die casting

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Application Notes

Complete control of a thermal fluid heater with multifunction PID controller

How the 3850T regulator in the diathermic fluid generator allows to control PID, safety interlocks, system logic and remote access for monitoring diathermic fluid generators

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Application Notes

Control of the electric heaters of the float systems with electronic power controller

Find out how in the cooling tunnel of a float glass plant the electronic power controller allows you to control the electric heaters based on the temperature profile and the cooling gradient

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Application Notes

GPC power controller for autoclave treatment of laminated safety glass

Learn how to control resistive heaters, applied to an autoclave curing process, for the production of laminate safety glass

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Application Notes

PID temperature controller for aluminium furnace AMS2750 conformant

Find out how to get the most accurate temperature readings from AMS2750 certified aluminium furnaces

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Application Notes

GPC power controller for preheating furnaces for aluminium extrusion dies

Find out how to control electric heaters in preheating furnaces with dies for aluminium extrusion

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Application Notes

Dual zone PID controller for Steelworks Annealing and Tempering Furnace

Find out how to control the temperature in a 900° annealing and tempering furnace

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Application Notes

Power resistors in vacuum furnaces

Discover the advantages of a robust and performing vacuum oven control system thanks to the power resistors