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Flanged Immersion Heater

Flanged Immersion Heaters represent advanced tank and vessel heating technology specifically engineered for direct heating of industrial fluids, chemicals, oils, and process liquids in large-capacity storage tanks and pressure vessels. These sophisticated heating assemblies feature precision-manufactured MgO-packed hairpin or bulge tubular heating elements that are expertly welded or brazed into ANSI or DIN standard flanges, providing secure, leak-proof mounting solutions for demanding industrial applications. The robust flange-mounted design ensures reliable operation under high-pressure conditions while enabling easy installation and maintenance without vessel drainage.

High watt density up to 65 W/in²

Operates to 650 °C

Replaceable elements without vessel drainage

  • Leak-proof flange design ensuring zero-maintenance operation
  • Wide alloy selection for corrosion and chemical resistance
  • Explosion-proof and hazardous area certifications available
  • Custom flange sizes and element configurations for any application
  • See all 14 features
Overview

Product Description

Flanged Immersion Heaters represent advanced tank and vessel heating technology specifically engineered for direct heating of industrial fluids, chemicals, oils, and process liquids in large-capacity storage tanks and pressure vessels. These sophisticated heating assemblies feature precision-manufactured MgO-packed hairpin or bulge tubular heating elements that are expertly welded or brazed into ANSI or DIN standard flanges, providing secure, leak-proof mounting solutions for demanding industrial applications. The robust flange-mounted design ensures reliable operation under high-pressure conditions while enabling easy installation and maintenance without vessel drainage. Manufactured using premium-grade materials and advanced fabrication techniques, these heaters incorporate high-quality tubular heating elements constructed from NiCr or FeCrAl resistance alloys with high-purity magnesium oxide insulation, ensuring exceptional heat transfer characteristics and long-term operational reliability. The precision-engineered flanges are available in carbon steel, stainless steel SS304/316, or Incoloy materials with ANSI 150/300/600# or DIN PN16/40 ratings, providing superior corrosion resistance and mechanical strength for diverse industrial environments and fluid compatibility requirements. These versatile heating solutions are specifically designed for heating oils, water, chemicals, heat transfer fluids, and specialized process liquids where direct immersion heating provides optimal thermal efficiency and uniform temperature distribution. The hairpin or bulge element configurations maximize heat transfer surface area while ensuring adequate fluid circulation patterns around the heating elements. Optional integrated thermowells and RTD sensors enable precise temperature monitoring and automated control, ensuring optimal process conditions and safety compliance in critical applications. Advanced engineering features include customizable element lengths, power distributions, and mounting orientations to accommodate diverse tank geometries and heating requirements. The leak-tight flange design incorporates high-temperature gaskets manufactured from PTFE, graphite, or Viton materials, ensuring chemical compatibility and zero-leakage operation under demanding process conditions. Optional control modules featuring PID controllers, safety interlocks, and communication interfaces enable sophisticated thermal management and integration with plant automation systems. As energy-efficient heating solutions for modern industrial fluid processing operations, Flanged Immersion Heaters offer superior thermal performance through direct heat transfer, eliminating the thermal barriers and energy losses associated with external heating methods. The replaceable element design enables maintenance and upgrades without complete vessel drainage, minimizing downtime and operational costs. Their robust construction, combined with advanced materials and precision manufacturing techniques, ensures reliable long-term operation in demanding industrial environments where consistent fluid heating performance is essential for product quality, process efficiency, and operational safety.
Why It Performs

Key Features

  • Leak-proof flange design ensuring zero-maintenance operation
  • Wide alloy selection for corrosion and chemical resistance
  • Explosion-proof and hazardous area certifications available
  • Custom flange sizes and element configurations for any application
  • Field-replaceable elements eliminating vessel downtime
  • Uniform heat distribution throughout large vessel volumes
  • High watt density capability enabling compact heating solutions
  • Precise temperature control with integrated sensor systems
  • Energy-efficient direct heating minimizing thermal losses
  • Robust construction engineered for continuous industrial operation
  • Multiple mounting orientations accommodating diverse installations
  • Advanced safety features and over-temperature protection
  • Custom element lengths and power distributions available
  • Superior thermal response and heating uniformity
Build Quality

Construction

  1. 01

    Precision Hairpin/Bulge Elements

    High-quality NiCr or FeCrAl tubular coils with MgO insulation providing efficient heat transfer, uniform temperature distribution, and extended operational life in demanding fluid heating applications.

  2. 02

    Engineered Welded Flange

    ANSI 150/300/600# or DIN PN16/40 flanges manufactured from carbon steel, SS304/316, or Incoloy providing leak-tight mounting, pressure resistance, and chemical compatibility.

  3. 03

    Weather-Resistant Terminal Enclosure

    IP23 standard or IP66/ATEX optional terminal boxes with ceramic terminal blocks and cable glands ensuring safe electrical connections and environmental protection.

  4. 04

    Chemical-Compatible Gasket System

    High-temperature PTFE, graphite, or Viton flange gaskets providing chemical compatibility, zero-leakage operation, and long-term sealing integrity under demanding conditions.

  5. 05

    Integrated Thermowell Assembly

    Optional stainless steel thermowell with PT100 RTD or thermocouple sensors providing accurate temperature monitoring, process control feedback, and safety system integration.

  6. 06

    Advanced Control Interface

    Optional control modules featuring PID controllers, safety interlocks, communication interfaces, and automated systems for sophisticated thermal management and plant integration.

Technical Data

Specifications

Heating Element Material
NiCr, FeCrAl alloys with high-purity MgO insulation
Sheath Material Options
SS304/310/316/321, Incoloy, Inconel, Titanium
Operating Temperature Range
Up to 650°C (1202°F) - customizable
Maximum Watt Density
Up to 65 W/in² (10 W/cm²)
Power Rating Range
1 kW to 300 kW+ (custom ratings available)
Voltage Options
110V, 230V, 415V, 480V AC (custom available)
Flange Standards
ANSI 150–600#, DIN PN16/40 (DN50–DN200)
Flange Size Range
2" to 24" diameter (custom sizes available)
Immersion Length Range
50 mm–3000 mm (custom lengths available)
Pressure Rating
Up to 40 bar (600 PSI) - custom ratings available
Terminal Box Rating
IP23 standard, IP66/ATEX/IECEx optional
Control Integration
Built-in thermostat, RTD, PLC interface options
Service Life
10,000 to 20,000+ hours typical operation
Mounting Orientations
Horizontal, vertical, angular configurations
Where It's Used

Applications

  • Chemical process baths and reaction vessels
  • Heat transfer oil circulation and heating systems
  • Water treatment and wastewater processing tanks
  • CIP/SIP vessels in food and pharmaceutical industries
  • Industrial storage and blending tank heating
  • Steam generation and boiler feed water systems
  • Petroleum refining and petrochemical processing
  • Textile dyeing and chemical processing baths
  • Power plant water heating and conditioning
  • Pharmaceutical manufacturing process vessels
  • Food processing and beverage production tanks
  • Industrial cleaning and degreasing systems
  • Automotive fluid heating and maintenance
  • Marine and offshore platform heating applications
Questions

Frequently Asked Questions

A Flanged Immersion Heater is an electric heating system designed to directly heat liquids like water, oil, or chemicals in tanks and pressure vessels. It features tubular heating elements welded to a precision-engineered flange that mounts onto tank nozzle openings. The direct immersion design provides maximum heat transfer efficiency, uniform temperature distribution, and rapid heating response compared to external heating methods.

Worldwide Supply

Available In

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

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