Rama Corporation Cartridge Heaters

Rama Corporation has become well known as the problem solver of the industry, as well as producing the highest quality heating elements on the market today. Rama is the largest heater manufacturer on the West Coast supplying products worldwide for all industries.

Rama’s cartridge heaters are the highest quality available. The Rama®Rod heaters are the result of many years experience perfecting high watt-density elements which are capable of long life at elevated temperatures. Rama®Rod heaters are manufactured with an Incoloy sheath and Incoloy end disc in addition to lava seal. They provide continuous sheath temperature up to 1600°F, as well as uniform, accurate heating in the lower temperature range. Our EDM® cartridge heaters are manufactured with stainless steel sheath, stainless steel end disc material and mica seal. These heaters are designed specifically to provide excellent heating in the moderate ranges. The EDM® cartridge heater element can provide sheath temperature up to 1200°F. Whatever your heating requirements, RAMA can provide the right heater for your application.

Cartridge heaters are one of the most popular heating products on the market. These tubular heating devices are used across a broad range of industries and businesses. If you’re looking for an effective heating mechanism that can reach high temperatures, a cartridge heater might be the perfect solution.

At Rama Corporation, we develop and manufacture a variety of custom cartridge heaters. There isn’t a job that we’re not willing to take on. If you’re still deciding whether a cartridge heater is right for your business, it’s important to understand the different products offered on the market.

Cartridge heaters available for industrial businesses

High-Density Cartridge Heaters

When you hear experts discuss the ‘density’ of a cartridge heater element, they’re referring to the wattage of the heating device. Watt density is a useful tool for determining how effective and powerful a cartridge heater is. The more watt density available, the more effective it will be at heating. 

If you’re looking to purchase high-density cartridge heaters, you must work with a manufacturer that can supply the power that you need. At Rama Corporation, we utilize some of the industry’s best manufacturing techniques to ensure that we produce extremely dense cartridge heaters.

Our high-density cartridge heaters provide constant heating to surrounding substances, liquids, or objects. The unique design of our cartridge heater also ensures that warming is accurate and efficient. If you’re using a cartridge heater for a commercial purpose, it’s critical to partner with a company that can provide efficient heating elements that won’t throw your company’s budget over the edge.

The unique design of our high-density elements helps ensure your heating component has a longer lifespan. If you want to avoid repurchasing soon, make sure to choose a heating element team you can trust.

We can build custom high-density cartridge heaters tailored to your requirements. If you’d like to speak to a customer service member about placing a custom order, make sure to get in touch with our team.

High-Temperature Cartridge Heaters

If you need an immense amount of heat, a high-temperature cartridge heater element is one of the most relevant options. High-temperature cartridge heaters often reach temperatures of up to 1600°F, which is almost twice as much as you find in traditional cartridge heaters.

Because this type of heater supplies significant heat to surrounding products or liquids, it’s essential that they are designed to withstand it too. Manufacturers typically protect part of the surrounding components with a durable sheath.

If you’re looking for a high-temperature cartridge heater that can take your warming capacities to the next level, Rama Corporation has plenty of options available for our customers. We are also able to custom manufacture heaters for commercial use.

It would be best if you always took particular care when using high-temperature cartridge heaters. If you’re working with flammable liquids or solids, it’s essential to speak with an expert before deciding to go this route. Not doing so could prove fatal to your business.

Electric Cartridge Heater

Most major cartridge heaters are electric. It’s the electricity in the cartridge heater that provides the energy to warm your liquid or product. Without power, cartridge heaters would not be able to reach the intense temperatures they can achieve. If you’d like to discuss the electricity used by our cartridge heaters, make sure to get in touch with our team. 

Cartridge Heater Controller Types

A cartridge heater is only as good as its controller. If you want to ensure that your cartridge hits the perfect temperature, you’ll need a reliable controller that gives you complete command of the device’s heat, especially if you have a cartridge heater that is used for different products or purposes; a single heat setting won’t be suitable in this instance.

Cartridge heaters can also be fitted with thermostats or other types of monitors, which helps you ensure that the target liquid or product is the right temperature. Without a thermostat built into your cartridge heater, you wouldn’t be able to keep a consistent eye on your cartridge heater’s performance.

Another feature that makes our company so unique is our ability to add custom controller options to our cartridge heaters. If you want a custom controller or a thermostat to monitor the heat of your cartridge, our team can tailor your product to your needs. We’ve helped thousands of customers customize their heaters with controller options and thermostats.

Our Cartridge Heaters

Rama Corporation has a wide variety of cartridge heaters. Most of our heaters have high-end incoloy sheathed material to provide an extended lifespan; this material also ensures the heater can withstand the heat it emits and survive harsh environments. A 304-stainless steel sheath is used to defend against moderate and high temperature. 

We offer our customers a choice between a wide range of diameters and provide metric measurements for international purchasers. We also work with a variety of plug suppliers, including TE Connectivity/AMP, Molex, Hubbell, Leviton, and more. Our manufacturing team can provide a range of power options, voltage levels, and wattages.

Customized applications are a breeze. Rama Corporation can build cartridge heaters that are anywhere between 7/8″ to 72″ long.

Cartridge Heaters Suppliers

Rama Corporation offers distribution worldwide and maintains a studious list of clients. Our cartridge heaters suppliers are available for custom quotes in bulk and we also offer one off purchases. If your in the market to become a cartridge heaters supplier we can set your business up with distribution. For more information please visit our distributors page.

  • Multicircuits: 3/4″ diameter RAMARODs can be provided with independent heat zones thru multicircuit or 3 phase resistance wire windings; these heaters permit uniform heat along the entire length of the heater where heat transfer rates must vary between specific heated areas. Consult RAMA for minimum length requirements.
  • Profiled Heat: RAMAROD and EDM heaters can be manufactured with a shaped profile heat distribution to balance out heat applied along the length of the heater.
  • Thermostats: Various thermostats meeting different sensitivities can be incorporated into and made an integral part of RAMAs cartridge heaters to control or act as a safety monitor against excessive temperature.
  • Moisture Resistant Barriers: In addition to the Teflon seal type heaters, which will withstand operating temperatures up to 300°E various epoxy compounds can be supplied at the leadwire end for heater operation up to 450:F Consult factory
    for detailed information.
    Other Accessories: Cartridge heaters can be supplied with grounded, twist-lock as well as UL-listed, dead front (hospital grade) electrical plugs. Post terminal and terminal boxes for protection of electrical connectors are available.
    Metric size heaters: RAMA manufactures metric dimension cartridge heaters for customers with this requirement. See page 15 for a description of these heaters together with stan­dard sizes available.

RAMA produces heaters that meet stringent regulatory codes of several industries and agencies. Our production process is accepted by NASA, the aerospace industry, military and nuclear communities as well as local, state and federal codes. All of our heating elements are designed to meet the specifications of NEMA (National Electrical Manufactures Association), unless otherwise specified by the customer .

RAMA produces heaters that meet stringent regulatory codes of several industries and agencies. Our production process is accepted by NASA, the aerospace industry, military and nuclear communities as well as local, state and federal codes. All of our heating elements are designed to meet the specifications of NEMA (National Electrical Manufactures Association), unless otherwise specified by the customer .

Rama Rod Cartridge Heater Diameter (inch)

Rama Rod Cartridge Heater Diameter (Metric)

Heaters 3/8” (10mm) diameter or larger can be rated 480V. Consult RAMA for requirements and power rating limits of other configurations.

If you are a designer or manufacturer of equipment which must meet US and/or Canadian National Safety standards, RAMA’s RAMA®ROD and EDM® cartridge heater types A, B and C have been found to be acceptable under UL and c-UL (CSA equivalent) Component Recognition Program File No. E119533

All RAMA®ROD and EDM® heaters have a minimum of 1/4” unheated section at the end disc end. Teflon leadwires and seals are rated at 300°F; all other leadwires are rated at 840°F

Cartridge heater Type-A

2” Solid nickel terminal pins are butt-connected to insulated, stranded nickel leadwires. This heater is stocked in many sizes and power ratings. UL/cUL component recognition.

Cartridge heater Type-B

Stranded nickel leadwires with insulation swaged into heater. This heater is stocked in many sizes and power ratings. Not recommended for use in applications where the temperature at the leadwire end exceeds 840°F. UL/cUL component recognition.

Teflon seal at leadwire end with Teflon insulated, stranded silver plated copper leadwires. Not recommended for use where temperature at leadwire end will exceed 300°F. This heater cannot be modified from stock. UL/cUL component recognition.

1.75” Solid nickel terminal pins with fiberglass insulating sleeving swaged into seal. Insulated, stranded nickel leadwires are butt-connected to terminal pins.  This heater cannot be modified from stock.

Insulated, stranded nickel leadwires are covered by a stainless steel braid. Shrink tubing covers end of sleeving at leadwire end. 1/4” diameter heaters are supplied with an optional 3/4” long metal sleeve at the leadwire end.  Can be modified from stock. Consult factory for specifications.

Seal is brazed to sheath on 3/8” diameter or larger heater. Teflon insulated, stranded, silver plated    copper leadwires are connected to solid nickel terminal pins. This heater cannot be modified from stock. Special order item, consult factory for specifications.

Ceramic bead insulators cover terminal pins. Leadwires can be butt-connected to the  terminal pins by the factory. When ordering, specify length of ceramic bead insulators and leadwires desired. This heater can be modified from stock. Note: when modifying type A stock heaters, the length of the  ceramic beads will be approximately 2” max.

Type ‘J’ insulated stranded, 24-gauge thermocouple wires are integral in heater. Type (H) T/C junction located at the end disc. These units are stocked in a variety of sizes with 36” thermocouple and leadwires. Type (I) T/C junction located per customer specification. Type ‘K’ thermocouple available upon customer request. This heater cannot be modified from stock. (Special Note: Solid thermocouple wires are required on heaters manufactured in 1/4” diameter.)

Internal ‘J’ insulated, stranded, 24-gauge thermocouple wires are integral in heater. Other features include flat end disc, Teflon seal, profiled heat, and 3/4” cold section. Thermocouple junction per customer specification. Type ‘K’ thermocouple available per customer request. (Special note: Solid thermocouple wires are required on heaters manufactured in 1/4” diameter.)

Stainless steel flexible conduit swaged-in with insulated, stranded, nickel leadwires. For 1/4” diameter heaters and conduit sizes consult factory. This heater cannot be modified from stock.

Cartridge Heater Products

In Stock Cartridge Heaters

Rama’s cartridge heaters are the highest quality available. The Rama®Rod heaters are the result of many years experience perfecting high watt-density elements which are capable of long life at elevated temperatures. Rama®Rod heaters are manufactured with an Incoloy sheath and Incoloy end disc in addition to lava seal. They provide continuous sheath temperature up to 1600°F, as well as uniform, accurate heating in the lower temperature range. Our EDM® cartridge heaters are manufactured with stainless steel sheath, stainless steel end disc material and mica seal. These heaters are designed specifically to provide excellent heating in the moderate ranges. The EDM® cartridge heater can provide sheath temperature up to 1200°F. Whatever your heating requirements, RAMA can provide the right heater for your application.

Use the search field below to narrow down the diameter that you need.

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1/2"4"7501201380.154A4A/EBT
1/2"4"7502401380.154A4A/PGP
1/2"4"10002401840.154A4A/PIP
DIALENGTHWATTSVOLTSWATTAPPOX.RAMA
(INCH.)(INCH)DESITYWgt/LbsPART #
1/2"4-1/2"500120800.174A4E/DZT
1/2"4-1/2"500240800.174A4E/PEP
1/2"4-1/2"7501201200.174A4E/EBT
1/2"4-1/2"7502401200.174A4E/PGP
1/2"4-1/2"10002401600.174A4E/PIP
1/2"5"400120580.194A5A/DYZ
1/2"5"500120720.194A5A/DZT
1/2"5"500240720.194A5A/PEP
1/2"5"7501201070.194A5A/EBT
1/2"5"7502401070.194A5A/PGP
1/2"5"10002401430.194A5A/PIP
1/2"5-1/2"500240640.204A5E/PEP
1/2"6"250120290.214A6A/DWT
1/2"6"250240290.214A6A/PCP
1/2"6"500120580.214A6A/DZT
1/2"6"500240580.214A6A/PEP
1/2"6"600240700.214A6A/PFK
1/2"6"750120880.214A6A/EBT
1/2"6"750240880.214A6A/PGP
1/2"6"10001201170.214A6A/EDT
1/2"6"10002401170.214A6A/PIP
1/2"6-1/2"500240530.224A6E/PEP
1/2"7"500240500.244A7A/PEP
1/2"7"600240590.244A7A/PFK
1/2"7"700240700.244A7A/PGF
1/2"7"750120740.244A7A/EBT
1/2"7"750240740.244A7A/PGP
1/2"7"1000240990.244A7A/PIP
1/2"7"15002401480.244A7A/PMP
1/2"7-1/2"500240460.274A7E/PEP
1/2"8"500240430.284A8A/PEP
1/2"8"750240640.284A8A/PGP
1/2"8"800120690.284A8A/ECE
1/2"8"900240770.284A8A/PHU
1/2"8"1000120860.284A8A/EDT
1/2"8"1000240860.284A8A/PIP
1/2"8"15002401290.284A8A/PMP
1/2"8-1/2"1000240800.304A8E/PIP
1/2"9"750240570.304A9A/PGP
1/2"9"1000240760.304A9A/PIP
1/2"9"15002401130.304A9A/PMP
1/2"10"500120340.334A10A/DZT
1/2"10"500240340.334A10A/PEP
1/2"10"800240540.334A10A/PHA
1/2"10"1000120680.334A10A/EDT
1/2"10"1000240680.334A10A/PIP
1/2"10"1250240850.334A10A/PKP
1/2"10"15002401020.334A10A/PMP
DIALENGTHWATTSVOLTSWATTAPPOX.RAMA
(INCH.)(INCH)DESITYWgt/LbsPART #
1/2"10"20002401350.334A10A/PQP*
1/2"11"1000240610.364A11A/PIP
1/2"11"1500240920.364A11A/PMP
1/2"11"20002401220.364A11A/PQP*
1/2"12"500240280.404A12A/PEP
1/2"12"1000240560.404A12A/PIP
1/2"12"1500240840.404A12A/PMP
1/2"12"20002401120.404A12A/PQP*
1/2"14"1000240480.484A14A/PIP
1/2"14"23002401100.484A14A/PTA*
1/2"15"1500240670.504A15A/PMP
1/2"16"1000240420.524A16A/PIP
1/2"18"1500240550.574A18A/PMP
DIALENGTHWATTSVOLTSWATTAPPOX.RAMA
(INCH.)(INCH)DESITYWgt/LbsPART #
5/8"1-1/4"2501201720.0135A1C/DWT
5/8"2"200120690.135A2A/DWJ
5/8"2"200240690.135A2A/PCF
5/8"2"5002401710.135A2A/PEP
5/8"2"7502402570.135A2A/PGP
5/8"2-1/4"3501201030.145A2C/DYO
5/8"3"250120520.205A3A/DWT
5/8"3"250240520.205A3A/PCP
5/8"3"5002401030.205A3A/PEP
5/8"3"7502401540.205A3A/PGP
5/8"4"500240730.265A4A/PEP
5/8"4"550240810.265A4A/PFA
5/8"4"600240880.265A4A/PFK
5/8"4"7502401100.265A4A/PGP
5/8"4"10002401460.265A4A/PIP
5/8"4-1/2"500240640.285A4E/PEP
5/8"5"750240860.295A5A/PGP
5/8"5"10002401140.295A5A/PIP
5/8"6"500240460.345A6A/PEP
5/8"6"750240700.345A6A/PGP
5/8"6"1000240930.345A6A/PIP
5/8"6"15001201400.345A6A/EHT*
5/8"6"15002401400.345A6A/PMP
5/8"7"1000240790.405A7A/PIP
5/8"8"500120340.475A8A/DZT
5/8"8"500240340.475A8A/PEP
DIALENGTHWATTSVOLTSWATTAPPOX.RAMA
(INCH.)(INCH)DESITYWgt/LbsPART #
5/8"8"800240550.475A8A/PHA
5/8"8"1000240680.475A8A/PIP
5/8"8"1200240820.475A8A/PKF
5/8"8"15002401020.475A8A/PMP
5/8"8"20002401360.475A8A/PQP
5/8"9"1500240910.505A9A/PMP
5/8"10"500240270.535A10A/PEP
5/8"10"1500240810.535A10A/PMP
5/8"10"1600240860.535A10A/PNK
5/8"10"20002401080.535A10A/PQP
5/8"11"2000240980.615A11A/PQP
5/8"12"500240220.665A12A/PEP
5/8"12"600120270.665A12A/EAO
5/8"12"1000240450.665A12A/PIP
5/8"12"1500240670.665A12A/PMP
5/8"12"2000240900.665A12A/PQP
5/8"14"37002401410.795A14A/QFF*
5/8"15"750240270.845A15A/PGP
5/8"15"2400240850.845A15A/PTU
5/8"16"2500240830.915A16A/PUP*
5/8"16"45002401490.915A16A/QLP*
5/8"18"1500240441.035A18A/PMP
5/8"18"3000240881.035A18A/PZP*
5/8"18"47002401381.035A18A/QNF*
5/8"20"1500240401.255A20A/PMP*
5/8"24"2000240441.475A24A/PQP*
5/8"36"3000240442.305A36A/PZP*
DIALENGTHWATTSVOLTSWATTAPPOX.RAMA
(INCH.)(INCH)DESITYWgt/LbsPART #
3/4"3"500240860.246A3A/PEP
3/4"4"500240610.316A4A/PEP
3/4"4"10002401220.316A4A/PIP
3/4"5"500240480.386A5A/PEP
3/4"5"1000240950.386A5A/PIP
3/4"6"500240390.446A6A/PEP
3/4"6"1000240780.446A6A/PIP
3/4"7"500240330.516A7A/PEP
3/4"7"1000240660.516A7A/PIP
3/4"8"500120290.586A8A/DZT
3/4"8"500240290.586A8A/PEP
DIALENGTHWATTSVOLTSWATTAPPOX.RAMA
(INCH.)(INCH)DESITYWgt/LbsPART #
3/4"8"1000240570.586A8A/PIP
3/4"8"20002401140.586A8A/PQP
3/4"10"1000240450.726A10A/PIP
3/4"10"2000240900.726A10A/PQP
3/4"12"1000240370.846A12A/PIP
3/4"12"2000240740.846A12A/PQP
3/4"12"40002401480.846A12A/QHP*
3/4"13"1000240340.936A13A/PIP
3/4"14"1250240401.036A14A/PKP
3/4"14"2500240791.036A14A/PUP
3/4"15"1500240441.096A15A/PMP
3/4"16"1800240491.146A16A/PPA
3/4"18"2000240491.256A18A/PQP
3/4"20"1200240261.406A20A/PKF
3/4"20"2250240491.406A20A/PSP
3/4"20"2300240501.406A20A/PTA
3/4"24"1375240251.806A24A/PLP
3/4"24"1400240251.806A24A/PLU
3/4"24"2800240511.806A24A/PYA
3/4"36"2500240302.506A36A/PUP

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Quote Form

Please fill out our quote form as complete as possible to eliminate confusion and delayed response from our customer support team

  • RAMA CORPORATION
    QUOTE FORM FOR RAMA®ROD AND EDM® CARTRIDGE HEATER

  • SPECIFICATIONS:

  • ±2%
  • ±2% (MIN .25” COLD AREA REQUIRED AT LEAD END)
    (NOTE: FOR 3/4” ONLY. MINIMUM LENGTH REQUIRED)
  • STANDARD CONFIGURATIONS AND MODIFICATIONS:

  • TERMINATION:

  • ±2%
  • ±2%
  • ±2%
  • SPECIAL SEALANT: RAMA CAN PROVIDE SPECIAL EPOXY SEALS, SILICONE VARNISH, OR RTV UPON REQUEST
    SPECIAL ITEMS: GROUND WIRE, POST TERMINAL, TWIST LOCK PLUGS, THERMOSTATS, COOLING FINS, AND OTHER ACCESSORIES MAY BE AVAILABLE UPON REQUEST. CONSULT FACTORY FOR SPECIFICATIONS.
    SPECIAL NON-STANDARD DESIGNS MUST BE ACCOMPANIED BY A DIMENSIONAL DRAWING.

Supporting Industrial Technology

No matter what type of cartridge heater you’re looking to purchase, working with Rama Corporation is the most effective way to obtain high-quality heating elements. Our team of experts can walk you through the entire purchasing process; we’ll guarantee that you receive the heating element that you need to take your business to the next level.

Customer Support Team

Our customer support team is locally based and available five days a week. We also offer bilingual support for overseas customers. All our products and their components are manufactured in the United States; we leave nothing to chance when it comes to our premium cartridge heaters. 

To discuss the different types of cartridge heaters mentioned in this article, give our team a call today!