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Bundle Rod Heater

Bundle Rod Heaters are premium industrial heating elements specifically engineered for high-temperature furnaces and heavy-duty thermal processing applications. These advanced rod type heating elements feature a sophisticated construction comprising multiple terminal rods, a central support rod, and precision-engineered ceramic discs that form an efficient heating bundle capable of withstanding extreme operational demands.

Up to 1250°C

1 kW to 75 kW

Customizable

  • Reduces CO₂ emissions by eliminating flue gases
  • Convenient temperature control, assembly and maintenance
  • Strong heating ability and high efficiency
  • Horizontal or vertical mounting options
  • See all 7 features
Overview

Product Description

Bundle Rod Heaters are premium industrial heating elements specifically engineered for high-temperature furnaces and heavy-duty thermal processing applications. These advanced rod type heating elements feature a sophisticated construction comprising multiple terminal rods, a central support rod, and precision-engineered ceramic discs that form an efficient heating bundle capable of withstanding extreme operational demands. Manufactured using superior ferrous alloy powder metallurgical elements, including FeCrAl Super, SAPM, FeCrAl HTM, NiCr 80/20 & NiCr 70/30 heating materials, these high temperature rod heaters deliver exceptional thermal performance, uniform heat distribution, and remarkable durability under continuous operation up to 1250°C. The rod bundle heater design incorporates SS 310 or Incoloy support rods and terminals, complemented by high-purity alumina ceramic discs and ceramic fiber components for superior structural integrity. These high power rod heaters are available in an extensive power range from 1 kW to 75 kW, making them suitable for diverse industrial applications including primary aluminum holding and melting furnaces, galvanizing furnaces in steel industries, automotive heat treatment processes, annealing furnaces, carburizing furnaces, and sealed quench furnaces (SQF). The industrial rod heating bundle technology ensures optimal watt density distribution of 1 to 10 W/cm² with precise cold resistance tolerance of ≤3%. Key advantages of these furnace rod heaters include their ability to operate in both horizontal and vertical mounting configurations, providing exceptional design flexibility for various furnace layouts. The advanced metallurgy and robust construction deliver significantly longer working life compared to conventional heating systems while maintaining consistent performance throughout their operational cycle. As an environmentally conscious thermal oil heater alternative, Bundle Rod Heaters substantially reduce CO₂ emissions by eliminating flue gases associated with combustion-based systems. Their higher thermal efficiency minimizes energy consumption and heat losses, making them an ideal choice for industries seeking sustainable heating technologies without compromising operational performance. The heaters feature convenient temperature control capabilities, simplified assembly procedures, and reduced maintenance requirements, ensuring cost-effective long-term operation.
Why It Performs

Key Features

  • Reduces CO₂ emissions by eliminating flue gases
  • Convenient temperature control, assembly and maintenance
  • Strong heating ability and high efficiency
  • Horizontal or vertical mounting options
  • Minimized environmental impact
  • Longer working life and better technical properties
  • Higher surface load & resistivity
Build Quality

Construction

  1. 01

    Terminal Rod

    Carries the power supply wiring. Usually made of FeCrAl, SS310 or INCOLOY. Number of rods depend upon the supply connection.

  2. 02

    Center Rod

    Used to provide central support to the heater. Usually made of FeCrAl, SS310 or INCOLOY. It is longer than the terminal rods.

  3. 03

    Ceramic Disc

    Used to encompass all the heating elements to form a bundle. Made of Alumina. Usually of flower shape.

  4. 04

    Fiber Disc

    Used to hold the terminal rods and central rod together. Inserted in the cold zone of the heater. Made of ceramic fiber.

  5. 05

    Top Plate

    Holds and supports terminal rods and central rod. Provides structural stability and secure mounting of the heater assembly.

Technical Data

Specifications

Heating Element Material
Ferrous alloy powder metallurgical element, FeCrAl Super, SAPM, FeCrAl HTM, NiCr 80/20 & NiCr 70/30
Power
1 kW to 75 kW (custom)
Cold Resistance Tolerance
≤3%
Max. Temperature
up to 1250°C (custom)
Voltage
Up to 480V AC (custom)
Watt density
Up to 5W/cm²
Where It's Used

Applications

  • Primary aluminium holding and melting furnace
  • Galvanizing furnace in steel industries
  • Heat treatment furnace in automotive industries
  • Annealing furnace
  • Carburizing furnace
  • SQF(Sealed Quench Furnace)
Questions

Frequently Asked Questions

Bundle Rod Heaters are engineered for high-temperature industrial applications and can operate reliably at temperatures up to 1250°C. This makes them suitable for use in heat treatment furnaces, melting furnaces, and sealed quench furnaces where consistent and uniform heating is critical. Their robust design ensures stability even under prolonged high-temperature conditions.

Worldwide Supply

Available In

We manufacture the Bundle Rod Heater in India and export it to 20 countries. Choose yours for local supply details.

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