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We are offering Electric Heaters such as thermowell heaters, oil immersion heaters, flexi heaters, radiant quartz heaters, cartridge heaters, acid immersion heaters, strip heaters, quartz immersion heater, water heaters and drum heaters.
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Thermowell Heaters | | Backed by a team of experts, we offer a range of thermowell heaters, which include for vertical use (with renewable element interiors), and for horizontal mounting (with renewable element interiors). These thermowell heaters are available in different values of watts, volts, sheathing, depth and flange. | 
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| Oil Immersion Heaters | | We offer a range oil immersion heaters, which includes U shaped heating elements - SS304, and U shaped finned heating elements - SS304 - MS finns. These oil immersion heaters are available in different types that have separate set of values for watts, volts, length, breadth, height, and diameters. | | Send Enquiry |
Flexi Heaters | | We offer a range of flexi heaters that includes CALGEN® heat tracers, trace heating system for long pipelines, CALGEN® heating tapes, CALGEN® heating jackets. All these are discussed below:
CALGEN® Heat Tracers
- CFH products provides uniform operating temperature to full length of pipeline
- Unique multi strand heating element
- CFH is the only system which has enough power for rapid melt-out during restart after plant shut down conditions
- Temperatures range from ambient to 200deg C (other temperature ranges can also be made as per customer's requirements.)
- Long circuit lengths up to 200 metres or more
- Short lengths up to 3 metres
- Latest technology backed by group resources
- Locations in hazardous or non-hazardous areas. System is waterproof for overload or buried pipelines
- Easy to install
- Approved by recognized inspection agencies like C.C.E Nagpur & tested by CMRS, Dhanbad
- CFH are rugged enough to withstand rough handling, yet flexible and easy to install
We assist our customers in the designing, installation instructions, complete drawings, and any technical field service, as per their requirements. Our clients are required to provide us any process information necessary for accurate designing and operating temperature, and we will do the rest. We offer thermostats, special controls, banding seals, tapes, and miscellaneous specialty components.
In addition, we also offer following services:
- Feasibility study system
- Design of equipment at site
- Supply and installation of temperature control equipment
- Training of client's staff
- Surveillance of site
- Commissioning
- Supply of operating manuals
- Electrical power distribution cabling were required
Trace Heating system For Long Pipelines
CALGEN® traces are multi-stranded nichrome wires that are insulated with PTFE. This provides these high temperature rating & weatherproofing. These are braided with glass yarn for efficient heat transfer & H type varnish coating. This system is ideal for fuel pipelines that carry Furnace, LSHS, Post FCC oils and other viscous oils in the process pipelines, storage tanks.
CALGEN® electrical heat tracing process is defined as the process of applying heat to external surface of a pipe or tank to maintain precise temperature of the contents.
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| Radiant Quartz Heaters | | Our wide range of heating equipment includes radiant quartz heaters medium wave that is designed for applications requiring infrared radiant heating. These radiant quartz heaters consist of a
helically wound resistance coil housed in a pure vitreous silica fused quartz tube. The coil provides a longer life to a product at a rated voltage. The quartz tubing of the heater is equipped with a specially designed ceramic insulating cap. The cap is securely fastened to the quartz tube with high temperature cement, offering excellent support to the power connecting termination. This cap allows the quartz tubing to breathe. The radiant quartz heaters are characterized by the following salient features:
- Compact and versatile
- Quick heat and cool down response
- Functional design
- Clean heat energy
- Lower power consumption
- High operating temperature
Radiant quartz heaters are one of the most efficient sources of radiant energy. These deliver near and far infrared wavelengths, which are more effective than a single wavelength, capable of generating full heat output capacity in 40-50 seconds and cool down in less than 15 seconds. In addition to this, the radiant heaters provide longer life whether operated continuously or intermittently. It is advisable to rate the quartz rating applications around 35 40 watts per SQ inch for efficient heating and longer operating life.
Since the Quartz heating elements have very low emission in the visible spectrum these do not give off an objectionable glare. Apart from this, the optimum design of the element provides a clear red color on the translucent quartz tube when operating at full voltage. This generates an infrared wavelength at energy peak of 2.5 to 3 microns, which gets completely absorbed during the process benefiting the industrial applications.
The radiant quartz heaters have additional features that make them superior to other heaters. These are as follows:
High Efficiency: Infrared heaters generate radiant energy that directly heats the product as opposed to a convention oven, which depends on air circulation as the heat transfer medium. This subsequently results in more efficient energy usage and lower operating cost. By eliminating the air medium, radiant heating also reduces the losses that occur in hot air ovens.
Shorter oven lengths: Infrared heaters produce greater heating, which enables the products to get heated faster than in a convection oven. Due to shorter product heating cycles using radiant heat, less oven length is required to do the job. This results in a 30-50% reduction in the oven length as compared to convection oven designs.
The radiant quartz heaters are widely used in the following areas:
- Finish curing or latex and resin curing
- Plastic Processing
- Ink drying
- Textile and non-oven fabric manufacturing
- Paper and paper board manufacturing
- Food Processing
- Ceramic Drying
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Cartridge Heaters | | We offer cartridge heaters of low watt density to our customers. These are offered in the options of brass sheathed and SS sheathed. To meet the diversified requirements of our customers, we offer these heaters in different values of lengths, diameter, and power options. The length range in which these cartridge heaters are provided include 2.5" to 24”. Their power option range includes 85w to 1500w.
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| Acid Immersion Heaters |
| We offer O-T-S plating & tank heaters, alkaline, acid immersion heaters that are offered in different options of watts, volts, ver. Length, and cold zone. These acid immersion heaters have the sheath diameter 11mm OD (8mm OD for 1000w models) and splash proof terminal boxes. Their other features include:
- SS sh SS 304 / 316 / Incolloy 800 sheath material
- Flame Proof earthed, loop form elements designed for immersion heating of liquids by hanging over the side of open tanks
- SS terminal protection covers can also be supplied
- These elements are intended for heating of mild alkaline solutions, detergent solutions, clean, wash, rinse water etc., Particularly in plating shops. However their simplicity, ease of installation and portability makes them attractive to all industries for heating of water or solutions not injurious to SS / Incolloy 800
As a general guide, 1KW will raise 10 litres of water from 20 deg C to 90° C in one hour, allowing approx.,20% for heat losses. CALGEN brand Alkali and Acid immersion heaters as per IS 4159 (tubular hair pin bend)
| Type | Watts | Volts | Ver. Length | Cold Zone | | CAIH/10/460 CAIH/20/610 CAIH/30/685 CAIH/40/685 CAIH/10/540 CAIH/20/730 CAIH/30/870 CAIH/40/1000 | 1000 2000 3000 4000 1000 2000 3000 4000 | 230 230 230 230 230 230 230 230 | 450 610 685 685 540 730 870 1000 | 150 150 300 300 150 300 300 300 |
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Strip Heaters | | | We offer a range of strip heaters, which includes refractory insulated, refractory insulated heavy duty, and finned. All these are offered in different options of fixing holes, watts, and dimensions. These strip heaters are explained below: Strip Heaters (Refractory insulated)
| Type | L | W | T | Fixing Holes | Watts | | CRSH/12/500 CRSH/15/500 CRSH/18/750 CRSH/21/1000 CRSH/24/1000 CRSH/27/1000 CRSH/30/1500 CRSH/36/2000 | 305 380 457 533 610 685 762 915 | 38MM 38MM 38MM 38MM 38MM 38MM 38MM 38MM | 9.5 T 9.5 T 9.5 T 9.5 T 9.5 T 9.5 T 9.5 T 9.5 T | 280 MM 355 MM 432 MM 508 MM 585 MM 660 MM 735 MM 890 MM | 500 500 750 1000 1000 1000 1500 2000 | |
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| Quartz Immersion Heater | | The silica and quartz immersion heaters that we manufacture are widely used in diverse industries, which require heating of corrosive liquids such as electro- plating solutions and scale removing baths. These silica and quartz immersion heaters are economical, clean, efficient and are considered to be an extremely safe mode of heating. The silica and quartz heaters are completely unaffected by most acids up to highest temperatures, barring hydrofluoric and phosphoric. These are known to have the following features:
- Silica / quartz industrial heaters are safe in operation. This is because the outer silica and inner porcelain have excellent electrical insulation characteristics.
- These sheaths obviate the need for the periodic replacements from corrosion. Due to their chemical inertness, any contamination to the solution to be heated is eliminated.
- The moulded rubber cap and electrical cable are thoroughly bonded together because of which no damage can be caused through bending of the cable. Here the PVC caps come for assistance in heating material like rubber.
- These heaters are extremely easy to maintain as they can be serviced by normal technicians. The two-piece moulded cap helps in simplifying the service. The heater can be quickly demounted and replacements can be made in minutes. This becomes of vital importance when the heaters are used for continuous processing and when spares are held by the in-house maintenance department.
- These heaters are compact units and occupy very little space in the tank. These have a smooth exterior, which minimizes surface deposition and facilitates cleaning.
- Installation is simple and inexpensive.
- Installation Instructions
Handling & installing quartz heaters require utmost attention. This is because the sheath is made of brittle material & is particularly susceptible to mechanical shocks. The installation instruction are as follows:
- The liquid level in the tank should not be less then 4¿ from the bottom edge of the rubber cap. When the temperature of the liquid is above 50°C, we would recommend a minimum distance of about 6” between the edge of the cap and liquid surface. The caps must not be submerged in liquids
- The liquid level must not be allowed to fall below the minimum immersion depth ( cold zone )
- None of the heaters should be supported by the cap or cable alone
- Heaters sheaths should not be allowed to become coated with deposits from the bath as it lowers heat efficiency , or even breakage, may result.
| Type | Watts | Volts | DIA | L | | CSC/500/12 | 500 | 230 | 45 | 300 | | CSC/750/18 | 750 | 230 | 45 | 450 | | CSC/1000/24 | 1000 | 230 | 45 | 600 | | CSC/1500/30 | 1500 | 230 | 45 | 750 | | CSC/2000/36 | 2000 | 230 | 45 | 900 |
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Water Heaters | | We offer a range of water heaters to our clients that are known for their high efficiency. The range includes water immersion heaters (commercial) copper sheathed, water immersion heaters (industrial) SS 304 sheathed, kettle elements, and U shaped water heaters. These water heaters are offered in different types, watts, and volts. A brief description of these is as follows: Water Immersion Heaters (Commercial) Copper Sheathed | Type | Watts | Volts | Immr. Dept | Flange | | CWH/C/10/220 D CWH/C/15/220 D CWH/C/20/325 D CWH/C/30/425 D | 1000 1500 2000 3000 | 230 230 230 230 | 220 220 325 425 | 1.25”BSPT 1.25”BSPT 1.25”BSPT 1.25”BSPT | WATER IMMERSION HEATERS (INDUSTRIAL) SS 304 SHEATHED | Type | Watts | Volts | Immr. Depth | Flange | | CWIH/I/20/220
CWIH/I/20/220
CWIH/I/30/280
CWIH/I/30/220
CWIH/I/40/260
CWIH/I/60/380
CWIH/I/90/550 | 1000 2000 3000 3000 4000 6000 9000 | 230 230 230 230 /415 230 /415 230 /415 230 /415 | 220 220 280 220 260 380 550 | 1.25”BSPT 1.25”BSPT 1.25”BSPT 1.50”BSPT 2” BSPT 2” BSPT 2” BSPT | |
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| Drum Heaters | | We design and manufacture CALGEN drum heaters in a variety of sizes and ratings depending upon the specific requirements of the customers. These drum heaters are very helpful in heating stored viscous fluid to a pourable temperature. The speed flow of solid and semi solid viscous material can be controlled with CALGEN drum heaters. The outer body of these heaters is made of mild steel (split joined with hinges) and bottom 3 castors for easy movement and transport. The drum heaters are made very sturdy and tough. These are long lasting and resistant to few chemicals.
The panel board of the calgen drum heater is fabricated from mild steel sheet with powder coating and assembled with contactor, digital temperature controller, MCB, on/off switch, neon indicators, and other electrical hardware to suit the 6 kw rating drum heater. However, it is advisable to check the total wattage (no. of heaters) and material being heated inside the drum. This helps in determining the actual temperature to which that specific material can be heated. Our drum heaters are very easy to install and remove. They are known for the following features:
- Rapid heating of drum
- Durable metal design
- Thermostat / digital
- Temperature controller
- 6 feet power cord
- Min., 2-3 weeks delivery time
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