Cartridge Heaters Selection Guidelines

Type CIR High Watt Density

Advanced Internal Construction Plus Swaged Leads — The challenge to Chromalox engineers was to design a cartridge heater that would out perform any brand cartridge heater — under any given set of conditions, and to assure that the customer receives and continues to receive the most heater performance and life possible for his investment.

Type CIR Cartridge Heater — Includes several signifi cant advances in cartridge heater technology. Its high performance characteristics have been proven, not only in the laboratory, but also on Customers’ equipment on selected problem applications, at 1500°F and higher operating temperatures.

Type C-LD, C-HD & C-DE

Medium Watt Density

Type C Large Diameter Cartridge Heater — For medium and low watt density Cartridge Heater applications. The tightly compacted refractory insulation provides excellent heat transfer to the heavy wall stainless steel sheath. This means the resistance wire runs at a lower temperature than competitive units with loose-fill insulation; the result is much longer life. This heavy-duty construction also provides high dielectric strength as well as shock and vibration resistance required for many industrial applications.

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Industrial cartridge heaters

High wattage cartrige tube

imines electric heating membrane

PET heating membrane

mica insulated heating element

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heating pipe with radiator fin

cartridge heater with radiator fin

industrial cartridge heaters with radiator fin

Type CBH Electric Stud Heater — Used to wrench-tighten bolts or studs to “shrink fit” tightness.

Type SCB Small Space Heater — Edison screw base installs in standard porcelain lamp socket to heat very small spaces.

Folded and Formed Electric Heating Elements

For manufacturers of ovens, furnaces, lehrs, dryers, dehumidifiers, tanks, paint booths, custom machinery, etc.

For in-plant installations that include plastics softening, material drying, embossing heaters, fuel fired equipment conversion, dryer and oven rebuilds, upgrading existing heating equipment, light duty electric heater replacement, and add-on heat zones.

Shenzhen Xinshengfa Electrical Heating Tech Co., Ltd Folded and Formed heating elements are ribbon type elements that were developed to meet the need for higher temperatures and improved temperature control demanded in today’s heat processing operations.

First patented in 2004, Xinshengfa Electrical Heating Tech Co.‘s Folded and Formed heating elements have a unique element configuration that is sometimes imitated — never duplicated. Here are some of the performance advantages the Folded and Formed heating elements provide for your electrically heated process equipment:.

• Greater direct radiation to the workload.

• More rapid heat dissipation, at lower watt density than conventional elements.

• Faster heat-up and cool-down.

• Maximum heating efficiency at lower element surface temperatures
to prolong element life and minimize burnouts.

• Trouble-free, cost-effective, applied heat to meet your most
demanding application.

Shenzhen Xinshengfa Electrical Heating Tech Co., Ltd Folded and Formed heating elements are backed by more than 75 years experience in electrically heated equipment design and manufacture.

Why choose Shenzhen Xinshengfa Electrical Heating Tech Co., Ltd electric heating elements?

1ST… because it starts as flat ribbon. And no other heating element dissipates heat more readily over more heating area! Compare a ribbon element 1” wide by .0159: thick, with a rod element of the same cross sectional area.

The rod would be 9 times thicker than the ribbon — with less than one-fourth the radiating surface area. Result? Much of the heat is stored in the rod, instead of being dissipated. And that causes element burnout! Not so with ribbon elements. Its low mass will not allow heat to concentrate within the element. So it radiates optimum heat at low watt density. Ribbon is a more efficient heating element.

2ND… because it’s FOLDED. TRENT makes the most of the ribbon element by folding it to expose maximum flat radiating surface where it is needed most — the work zone of the equipment being heated. Other ribbon elements do not offer this important advantage. Wound ribbon elements, for example, expose radiating surfaces to one another — with only the element edges facing the work chamber. One element tends to heat the other. They hold heat. Too often they operate at higher surface temperatures than necessary — and that costs money. Folded ribbon improves air recirculation, too. Heat is picked up more readily from the flat radiating side of the ribbon — with only minimal airflow resistance from the edge of the element. In addition, folded ribbon heats up and cools down more quickly. There is practically no residual heat when the equipment is de-energized — a significant advantage in maintaining close tolerances between process control set-points and actual temperatures.

3RD… because it’s FORMED. Greater structural strength is one obvious advantage. Shenzhen Xinshengfa Electrical Heating Tech Co., Ltd‘s unique forming process makes FOLDED and FORMED heating elements virtually self-supporting. And they maintain their structural strength and stability over extended periods of use — even at high temperatures where ordinary elements sag. Shenzhen Xinshengfa Electrical Heating Tech Co., Ltd Folded and Formed heating elements require less heat absorbing support material. That not only makes them a more efficient and cost-effective heat source — it makes them much easier to replace in your equipment when necessary. And note the concave surface of the FOLDED and FORMED element. It exposes even more radiating surface — and directs more heat to the work chamber than flat ribbon.

Why settle for less? Shenzhen Xinshengfa Electrical Heating Tech Co., Ltd Folded and Formed heating elements are utilized in heater racks, plug heaters, electric ovens, electric furnaces, electric jackets, kettles, melters and hot plates. Talk to Shenzhen Xinshengfa Electrical Heating Tech Co., Ltd Electric Heating Elements Experts on 86-0755-29835076 today.

Electric heaters (commonly called “space heaters“) are typically used in areas that are insufficiently heated or as a substitute for high-cost central heating installations. Portable electric heaters are also inexpensive to buy, so maintaining them is considerably easier. These economical advantages make electric heaters a popular choice in many households. There are important safety tips to consider, but first you need to choose the heater that’s best for you.

Instructions

1. Choose the right heater for your space and heating needs. The capacities of space heaters range from 10,000 Btu to 40,000 Btu per hour. If the area you want to heat is small, you may want to choose one in the low range. Look for a general sizing table in the floor sample manual. Most space heaters work by convection, which means they follow the natural circulation of air in the room to heat it. Some space heaters are radiant, which means they emit heat outward from the source.

2. Buy the latest model heater. This will ensure that all safety features are included and current. A quality space heater will have the Underwriter’s Laboratory (UL) label attached. Keep in mind that less expensive usually means less efficient.

3. Arrange the heater appropriately. Knowing where and how to arrange the heater can maximize benefit and keep costs low. If you plan to use a room for a few hours only, it’s best to use a radiant heat space heater. That way, it can heat your immediate surroundings and you can avoid a higher bill by not heating the entire room. Always shut off heaters when you leave a room unattended. Some heaters are equipped with a timer and/or a “tip over switch” that will turn the heater off if it falls over.

4. Plug the heater directly into the wall outlet and use a quality cord.

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Tips and Warnings

Consider the risks and always put safety first. Consumers should always be mindful of portable heating devices. Many residential fires are caused by space heaters, leading to injury or, in some cases, death.

Electric Heaters and Cartridge Heaters Resource

Find information on heating elements industrial trends including heating elements suppliers and electric heaters knowledge base here

Common Cartridge Heater Configurations

How to install cartridge heater

Knowledge base for cartridge heater

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Electric Heaters Selection and Tips to Successful Heater Installation

Quality Heating Elements Manufacturer

Heatingelementsinc have built an unrivaled reputation for electric heating elements quality and reliability over the past 7 years. We formulate highly skilled and experienced personnel working with the finest raw materials. The electric heater, cartridge heater and heating tube we manufacture undergo strict quality control and detailed product testing routines.

If your Kenmore Elite Dryer is running but not heating, it may be time to change the electric heating element. Changing out the heating element is not a difficult task if you have a few basic tools and a little bit of expertise.

Instructions

1. Unplug the dryer. Locate and remove the front service panel on the bottom of the Kenmore dryer, located at the bottom of the dryer. The entire panel will pop off.

2. Remove 1 wire that runs from the heating element and test it by using a volt/ohm meter. You only need to remove 1 wire. This will provide enough ohms for a correct reading. If you are getting a zero reading, then the heating element is bad and should be replaced.

high density electric cartridge heater

3. Take the heat shield off by pulling off the wires and removing the screws that secure the heating element in place. This will free the element. Remove the heating element.

4. Replace the heating element with a new element. Make sure it is securely in place and then screw the element back into the housing and reinstall the wires.

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5. Reassemble the dryer by putting the front service panel back on. Plug the dryer back in, push it back into place and turn it on. Allow it to run for a few minutes to test the new element.

 

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Cartridge Heaters Modifications & Options

Cartridge heaters can be easily specified to meet the demands of special applications. Simply select from a variety of standard options and features to customize the heater to your specific needs. For customized engineering or alternative options, contact your Chromalox sales representative for fast turnaround on your specifications.

• Leadwire Types
• End Seal Options
• Lead Options
• Mounting Options
• Built-In Thermocouple

Leadwire Types

Seal Options

End Seal Temperature Limits

End Seal Options

Hermetic Seal
Ceramic-to-metal seal is good for element temperatures up to 1000°F. Specify heater length beyond the seal. Metal portion of the seal overlaps the heater sheath ”. For washdown conditions.

Lead Options

Right Angle Flexible Leads

Strain Relief
Strain Relief supports leads to reduce bending, crimping, and breakage.

Flexible Stainless Steel Conduit
Flexible Stainless Steel Conduit provides leadwire protection from abrasion and sharp edges, and facilitates easier handling in harsh environments. Available in both straight and right angle confi gurations.

Protective Spring
Available in both straight and right angle configurations, the Protective Spring gives strong, yet flexible leadwire protection from bending, fatigue and flexing.

Metal Braid
Stainless Steel metal braid protects leadwire from abrasion and sharp edges, yet maintains flexibility and ease of installation. Metal braid is available in both straight and right angle configurations.

Ceramic Beads
Ceramic Bead insulation can be specified to protect leadwires from high ambient tem peratures up to 1200 F (649C). To order, specify ceramic beads length and additional lead length.

Threaded Post Terminals
Post Terminals provide a strong, secure connection to buss bars or ring/fork connectors. Available only on 5/8 and 3/4” diameter heaters.

Mounting Options

Threaded Fittings
Threaded fittings allow the heater to be easily installed into a threaded hole for immersion applications. Available with single or double threaded fi ttings. The fitting overlaps the cartridge heater sheath by 1/4″. Specify “brass”

Mounting Flange
The mounting flange option allows for easy mounting and specific positioning

Wire Pull
The Wire Pull assists in heater removal.

How to Replace a Dryer Heating Element

If your dryer does not heat but everything else is working, this problem can be solved easily. It is usually the industrial heating element that is not working. Most dryer elements are very easy to change out. Remember, safety first! Unplug the dryer.

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Cartridge Heater Installation Recommendations

1. On moving machinery, anchor the leads securely. As little movement as possible should be allowed close to where the leads emerge from the heater. A loop in the lead wire will frequently extend lead life. If application conditions result in continual lead flexing, terminate the cartridge heater leads at a terminal block which moves with the heated assembly. Flexing is transferred to the extension leads which can be economically replaced.
2. For rapidly vibrating equipment, employ the terminal block described above. Keep leads from heater to block short and well supported to prevent lead movement due to vibration.
3. Protect leads from spray, oil and abrasion. Contaminating liquids and vapors can enter unsealed electric cartridge heaters and cause insulation breakdown.
4. Avoid tape on leads where they emerge from the cartridge heater. The adhesive on some tapes can enter the heater and turn to carbon which is electrically conductive. Where glass tape cannot be avoided, a tape with a silicone based adhesive is suggested.
5. Design the installation so that the leads are in an ambient temperature which doesn’t exceed the rating on the lead insulation (842°F for standard leads). Where temperatures require it, use nickel or nickel-plated copper wire with fluoropolymer insulation, silicone impregnated Fiberglas ^® or Rockbestos ^® insulation to extend leads.
6. Graphite and other lubricants to help insert the cartridge heater into the hole are generally not recommended. These are electrically conductive and can get on the lead end of the heater unless extra care is taken. Use Chromalox heat transfer and release coating.
   

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7. As operating temperatures rise, thermal insulation on the heated part becomes more desirable to conserve heat. Thermal insulation results in lower wattage requirements and therefore lower watt density on the heaters. Other benefits are more even work temperatures and greater operator safety and comfort.
8. Leads must not extend into the hole containing the cartridge heater. Generally, the lead end of the heater sheath should be flush with the surface of hole or extended by 1/16 inch.

An electric heater is a device that converts electricity into heat. A commercial version typically produces infrared radiation which is converted into heat when it strikes an absorbing surface. This type of heater may also be known as a space heater because it’s designed to heat a specific area, especially when the air itself is cold. You can demonstrate this principle by making a very basic electric heater from common materials.

Instructions