Over the Side Immersion Heater - Image 1 - Industrial Heating Element by Subhot Enterprises
Over the Side Immersion Heater - Image 2 - Industrial Heating Element by Subhot Enterprises
Over the Side Immersion Heater - Image 3 - Industrial Heating Element by Subhot Enterprises
Over the Side Immersion Heater - Image 4 - Industrial Heating Element by Subhot Enterprises
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Key Features & Benefits

Shapes: L, O, vertical loops (customizable)
Quick install & removal—no draining
Explosion-proof options for hazardous areas

Over the Side Immersion Heater

Process Heaters Made in India ISO 9001:2015

Over the Side Immersion Heaters represent innovative portable heating technology specifically engineered for flexible tank and vessel heating applications where permanent installation is impractical or undesirable. These advanced heating systems are designed for quick top-mounting installation in drums, open tanks, and process vessels, enabling efficient heating of oils, degreasers, acids, plating baths, and various process fluids without the need for vessel drainage, modification, or welding. The portable design provides unparalleled flexibility for multi-tank operations and temporary heating requirements in diverse industrial environments.

Manufactured using premium-grade materials and advanced fabrication techniques, these heaters feature precision-engineered hairpin or coil heating elements constructed from high-quality NiCr or FeCrAl resistance alloys with MgO insulation, ensuring exceptional heat transfer characteristics and long-term operational reliability. The robust construction incorporates corrosion-resistant sheath materials including SS304, SS316, Incoloy, or specialized alloys selected for specific chemical compatibility and temperature requirements. Weather-resistant terminal enclosures with IP65/ATEX ratings provide reliable electrical connections and environmental protection.

These versatile heating solutions are available in multiple configurations including L-shape, O-shape, and vertical loop arrangements, with fully customizable geometries to accommodate diverse tank dimensions and heating requirements. The adjustable clamp or flange mounting system enables secure installation over tank rims while maintaining optimal element positioning for maximum heat transfer efficiency. Built-in thermostats or external control panels provide precise temperature regulation and safety protection, ensuring consistent process conditions and operational safety.

Advanced engineering features include portable, robust construction that allows safe removal and repositioning between different tanks without system shutdown or fluid drainage. The modular design enables easy maintenance and element replacement while the flexible mounting system accommodates various tank geometries and fluid levels. Optional safety guards protect against accidental contact while specialized mounting brackets ensure stable positioning and optimal heat distribution throughout the vessel contents.

As cost-effective heating solutions for modern industrial fluid processing operations, Over the Side Immersion Heaters offer exceptional versatility through their portable design and rapid deployment capabilities. The direct immersion heating method provides superior thermal efficiency compared to external heating systems while the removable design eliminates the need for permanent tank modifications or complex installation procedures. Their robust construction, combined with advanced safety features and customizable configurations, makes them the ideal choice for industries requiring flexible, efficient, and reliable heating solutions for temporary or multi-vessel applications where operational flexibility and cost-effectiveness are paramount considerations.

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Components of Over the Side Immersion Heater

Advanced Hairpin Coil Element

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

Weather-Resistant Terminal Enclosure

IP65/ATEX rated electrical housing with ceramic terminal blocks and cable glands ensuring secure wiring, environmental protection, and safe operation in demanding industrial environments.

Adjustable Mounting Bracket

Precision-engineered adjustable clamp or flange system for secure mounting over tank rims, manufactured from stainless steel or plated steel for corrosion resistance and mechanical strength.

Integrated Control System

Built-in adjustable thermostat or remote control panel interface providing precise temperature regulation, safety protection, and automated operation capabilities for optimal process control.

Protective Safety Guard

Optional stainless-steel protective guards preventing accidental contact with heating elements while maintaining optimal heat transfer and enabling safe operation in industrial environments.

Flexible Positioning System

Advanced mounting and positioning hardware enabling optimal element placement, secure installation, and easy removal while accommodating various tank geometries and fluid levels.

Technical Specifications

Detailed technical specifications for Over the Side Immersion Heater with industry-leading performance standards

Product Specifications

Complete technical details and performance parameters

Parameter Specification
Heating Element Material
Primary specification
NiCr, FeCrAl alloys with MgO insulation
Premium quality
Sheath Material Options
SS304/310/316/321, Incoloy, Inconel, Titanium
Premium quality
Operating Temperature Range
Ambient to 400°C (752°F)
High performance
Power Rating Range
1 kW to 100 kW+ (custom ratings available)
Voltage Options
110V, 230V, 415V AC (custom voltages available)
Configuration Shapes
L-shape, O-shape, U-shape, Z-shape, Vertical loops
Mounting Thread Options
1″–4″ NPT, BSP, adjustable clamp systems
Immersion Length Range
50 mm to 3000 mm (custom lengths available)
Maximum Watt Density
Up to 15 W/cm² (application dependent)
Environmental Rating
IP65 standard, ATEX/IECEx optional
Control Integration Options
Built-in thermostat, remote control panels, PLC interface
Chemical Compatibility
Wide range based on sheath material selection
Service Life Expectancy
8,000 to 15,000+ hours typical operation
Custom Configuration Options
Unlimited shapes, sizes, and mounting arrangements
All specifications are subject to customization based on application requirements.
ISO 9001:2015 CE Marked RoHS Compliant

Industrial Applications

Discover how Over the Side Immersion Heater delivers superior performance across diverse industrial sectors

Popular

Oil heating in drums and storage reservoirs

Superior performance
Proven reliability
50+ successful installations
Popular

Degreaser and chemical bath heating systems

Corrosion resistant
Safety certified
67+ successful installations
Popular

Electroplating and surface treatment tanks

Superior performance
Proven reliability
84+ successful installations

Portable steam and hot-water generation

Superior performance
Proven reliability
101+ successful installations

Viscosity control in fluid handling systems

Superior performance
Proven reliability
118+ successful installations

Chemical processing and reaction vessels

Corrosion resistant
Safety certified
135+ successful installations

Pharmaceutical manufacturing process tanks

Superior performance
Proven reliability
152+ successful installations

Food processing and beverage production

Hygienic design
Temperature accuracy
169+ successful installations

Water treatment and conditioning systems

Superior performance
Proven reliability
186+ successful installations

Cleaning and degreasing operations

Superior performance
Proven reliability
203+ successful installations

Wax melting and material processing

Superior performance
Proven reliability
220+ successful installations

Temporary heating for maintenance operations

Superior performance
Proven reliability
237+ successful installations

Multi-tank heating systems with portability requirements

Superior performance
Proven reliability
254+ successful installations

Laboratory and pilot plant heating applications

Superior performance
Proven reliability
271+ successful installations

Trusted Across Industries

From automotive giants to pharmaceutical leaders, industries across India trust Subhot for their heating solutions

Steel & Metal

Automotive

Chemical

Food & Beverage

Pharmaceutical

Research Labs

Key Features & Benefits

Experience the superior features that make Over the Side Immersion Heater the preferred choice for industrial heating

Install or remove without tank drainage or system shutdown

Quality engineering for reliable performance.

Portable design enabling efficient multi-tank utilization

Quality engineering for reliable performance.

Robust, corrosion-resistant construction for demanding environments

Quality engineering for reliable performance.

Custom shapes and lengths accommodating any vessel configuration

Quality engineering for reliable performance.

Optional explosion-proof and hazardous area certified variants

Quality engineering for reliable performance.

Direct immersion heating providing maximum thermal efficiency

High efficiency design reduces energy costs.

Flexible mounting systems accommodating diverse tank geometries

Flexible mounting options for any space.

Easy maintenance and inspection without operational disruption

Low maintenance with easy access components.

Superior energy efficiency compared to external heating methods

High efficiency design reduces energy costs.

Rapid deployment capabilities for emergency or temporary heating

Quality engineering for reliable performance.

Advanced safety features and over-temperature protection systems

Precise temperature control for consistent results.

Chemical compatibility through specialized sheath material selection

Quality engineering for reliable performance.

Cost-effective heating solution for temporary and portable applications

Quality engineering for reliable performance.

Integrated temperature control and monitoring capabilities

Precise temperature control for consistent results.

Frequently Asked Questions

An Over-the-Side Immersion Heater is a portable electric heating system designed to hang over tank edges with heating elements submerged in the liquid. It provides flexible heating solutions ideal for applications where permanent tank modifications are not possible, offering easy installation and removal, multi-tank portability, and efficient direct heating without vessel welding or drainage requirements.
They are extensively used in cleaning tanks, electroplating baths, oil heating systems, degreasing tanks, chemical processing vessels, wax melting operations, water preheating processes, pharmaceutical manufacturing, food processing, and temporary heating applications where portable, efficient heating without permanent installation is required for operational flexibility.
Key advantages include easy installation without tank modification, no welding or permanent mounting required, maintenance without tank drainage, perfect for temporary or multi-tank heating needs, rapid deployment capabilities, and cost-effective heating solutions. They provide maximum operational flexibility while delivering efficient direct heat transfer to vessel contents.
Subhot Over-the-Side Immersion Heaters can operate from ambient temperature up to 400°C (752°F), depending on the specific fluid being heated, selected sheath material, and operating environment conditions. Custom temperature ranges and specialized high-temperature variants are available for specific industrial applications requiring extreme thermal performance.
Available sheath materials include SS304 for general applications, SS316 for corrosive environments, Incoloy 800 for high-temperature service, Inconel for extreme chemical conditions, and Titanium for highly corrosive solutions. Material selection ensures compatibility with water, oils, acids, alkalis, and specialized chemical solutions while maintaining structural integrity and performance.
Yes, our Over-the-Side Immersion Heaters feature flexible mounting designs for vertical, horizontal, and irregularly shaped tanks where internal space may be limited. The adjustable mounting systems and customizable element geometries accommodate diverse tank configurations while ensuring optimal heat distribution and operational efficiency.
Yes, with proper sheath material selection such as SS316, Incoloy, or Titanium, Over-the-Side Immersion Heaters are suitable for heating corrosive chemicals, acidic baths, alkaline solutions, and specialized process fluids in chemical processing, pharmaceutical, and electroplating industries where chemical compatibility is critical for safe operation.
We manufacture heaters in 110V, 230V, 415V AC configurations, and custom voltages with power ratings ranging from 1 kW to 100 kW or higher, depending on tank size, heating requirements, and thermal load specifications. Single-phase and three-phase options accommodate diverse electrical infrastructure requirements and operational needs.
We offer L-shaped, O-shaped, U-shaped, Z-shaped, and vertical loop configurations depending on tank dimensions, space availability, and heating requirements. Custom geometries and specialized shapes can be engineered to match specific tank configurations and optimize heat distribution patterns for maximum thermal efficiency.
We provide integrated thermowell assemblies, built-in thermostats, and RTD/thermocouple sensors for accurate temperature regulation using digital PID controllers, analog control panels, or PLC systems. Advanced control options include modulating control, multi-zone heating, and safety interlocks ensuring precise thermal management and operational safety.
Yes, we offer ATEX, IECEx, and PESO-certified weatherproof and flameproof models for safe operation in Zone 1 and Zone 2 classified hazardous areas. These units feature certified electrical components, explosion-proof terminal enclosures, and specialized safety systems ensuring reliable operation in volatile industrial environments.
They offer exceptional maintenance convenience through easy removal without tank drainage, simplified inspection and cleaning procedures, accessible element replacement, and minimal system downtime. The portable design enables maintenance in workshop environments while tanks remain in service, significantly reducing operational disruption and maintenance costs.
Yes, they provide superior energy efficiency through direct fluid heating, minimal thermal losses, faster heat-up times, and uniform temperature distribution compared to indirect heating methods. The direct immersion design eliminates thermal barriers and heat loss associated with external heating systems, resulting in reduced energy consumption and improved process efficiency.
Subhot Enterprises Pvt. Ltd. is a leading manufacturer of portable heating solutions with extensive expertise in flexible tank heating technology. We provide custom-engineered Over-the-Side Immersion Heaters with premium materials, rigorous quality testing, expert technical support, comprehensive safety certifications, fast delivery, and complete after-sales service ensuring optimal heating performance for your portable and temporary heating applications.

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