Industrial Cartridge Heater Rod Heating Elements for High Temperature Furnace
Our cutting-edge cartridge heater is crafted from a robust stainless steel cylindrical tube, offering exceptional resistance to corrosion. Within lies a precision-wound heating wire, elegantly coiled around a premium ceramic core, creating the powerhouse of this high-performance heater.
The meticulously tailored coil count aligns with the heater's power specifications, ensuring optimal heat distribution and significantly extending the lifespan of the heater. This innovative design reduces oxidation of the heating wire, even under high-temperature conditions. Perfect for heating solids, liquids, or gases, our cartridge heaters excel in swift heat transfer through conduction when in direct contact with a heat sink. They play a crucial role in manufacturing plastic and rubber components within the automotive sector and are equally indispensable in industries like food processing, chemical, electronics, medical equipment, packaging, and nuclear.
Beyond our expansive standard selection, we excel in custom development and manufacturing of cartridge heaters, meticulously designed to meet your unique specifications.
Cartridge heaters are characterized by a crimped-on or swaged-in construction, featuring a high-grade nickel-chromium resistance wire for exceptional performance.
This resistance wire is expertly wound around a superior-quality MgO core, meticulously centered within a durable stainless steel casing.
Cartridge heaters are engineered for a vast array of heating applications, including metal parts and liquid heating when fitted with threaded bushings. Capable of reaching metal temperatures up to a remarkable 760°C, these heaters deliver optimum performance when the correct material, watt density, and fit selections are made.
Performance capabilities:
1. Part temperatures soaring up to 1400°F (760°C) with the use of an alloy 800 sheath
2. Watt densities reaching up to an impressive 40W/cm²
3. Operates at a maximum voltage of 480VAC, with capability as low as a minimal 5VAC
4. Minimum diameter as compact as 3mm
5. Maximum diameter extending up to 35mm
Benefits:
1. Effortless and cost-effective installation
2. Constructed from premium, high-quality materials
3. Superior heat transfer efficiency
4. Simple maintenance routines
5. Consistent and uniform temperature distribution
6. Remarkably resistant to oxidation and corrosion
7. Built for outstanding durability
8. Certified by TÜV Rheinland, boasting CE certification
Technical Details:
1. Tube diameter: Φ3mm-Φ30mm
2. Tube Material: SS304; SS316, SS321, NICOLOY800, etc.
3. Insulation Material: High-purity MgO
4. Resistance wire element: Ni-Cr or FeCr
5. Lead Connection Options: Crimped or Swaged Leads - Essential for securing your heating elements with precision, these leads ensure longevity and reliability even under high demands.
6. Innovative Options to Cater to Your Unique Heating Needs Lead and Type of Connection Leads: 10" Fiberglass Standard - Experience superior connectivity and durability with our standard 10-inch fiberglass leads, designed to withstand high temperatures efficiently.Wire Options: Silicone High Temperature Fiberglass - Offering exceptional performance, our silicone and high-temperature fiberglass options provide unparalleled heat resistance and flexibility..
Specification of Cartridge Heaters: Built with cutting-edge technology, our cartridge heaters meet the highest standards for varied industrial applications.
| Sheath material |
SS304.321.316L,Incoloy800.840,Titanium |
| Insulation material |
High-purity MgO |
| Resistance |
Ni-Cr or FeCr |
| Maximum voltage |
480VAC |
| Wattage density |
high/middle/low(5-40w/cm2) |
| Wattage tolerances |
toloerance :+5% -10% |
| Dimensional |
Diameter: Min. dia:3mm |
| Length: |
Customized |
| Lead options |
Crimped- on / Swaged- in |
| Lead types |
Swage fiberglass insulation nickel wire ( 750°C ) |
| Crimp on silicone lead ( 250°C ) Crimp |
| Silicon insulated wire ( 200°C ) |
| Crimp fiberglass insulation nickel wire ( 450°C ) |
| Internal |
Type J or K available thermocouple |
| Lead protection options |
Stainless steel braid |
| Stainless steel flexible hose |
| other options |
Bent heaters, in no-heat section, up to 90° angle |
| mounting flange |
Feature: Luxury in Functionality and Design - Our heaters are engineered for high efficiency and precise temperature control.
Common cartridge heaters can be divided into two types based on density: Choose the ideal density for your specific heating application.
1. High Power Density: Delivers robust heating with surface power of 10~25 W/cm², perfect for a wide range of demanding environments. High Power Density: Heat area surface power 10~25 W/cm² - Perfect for intense heating requirements, ensuring rapid temperature elevation.
Working temperature ≤ 450°C - Capable of reaching high operational temperatures with safety and efficiency.
2. Middle to Low Power Density: Ideal for applications needing moderate heat, with a surface power range of 5~11 W/cm². Middle to Low Power Density: Heat area surface power 5~11 W/cm² - Balances power output and energy efficiency.
Working temperature ≤ 300°C - Optimized for efficient performance at moderate temperature levels.
Voltage: Tailored Voltage Options for Diverse Needs 12~250V (or as per requirement) - Flexible voltage settings to meet your specific electrical requirements.
High Density Construction: Robust Design for Endurance and Efficiency
High-quality stainless steel construction ensures long-lasting protection, even in the most demanding industrial environments. This premium material enhances durability and performance.
Protected with a stainless steel sheath, the watt density can reach 50 W/cm² and the operating temperature can go up to 800°C - This protection allows for superior heat performance and longevity.
More Photos of Our Cartridge Heaters: Visually explore the excellence and quality craftsmanship of our heaters.
Factors - How to Choose the Right Cartridge Heaters:
Consider the following factors to select the right cartridge heater: Ensure optimal performance and application compatibility by assessing these key factors.
1. Operating temperature - Matching the heater to your specific temperature needs ensures both efficiency and safety.
2. Watt density of the heating element - Determine the power capacity that suits your application for maximum effectiveness.
3. Sheath material (corrosive or non-corrosive) - Choose the right material for your environment to enhance heater longevity and reliability.
-
- Temperature of the corrodent - Account for environmental factors to ensure robust heater performance.
-
- Degree of aeration of exposed corrodent - Consider the level of exposure to enhance heater durability.
-
- Velocity of the corrodent - Evaluate environmental dynamics to optimize heater placement and efficiency.
Dimensional Data:
(This table shows minimum and maximum sheath lengths for available diameters.) Chart your specifications with ease, ensuring compatibility and performance.
| |
Diameter |
|
|
Length |
|
| Normal |
Actual |
Min |
|
|
Max |
| in. |
in. |
mm |
in |
mm |
in |
mm |
| 1/8 |
0.122 |
3.1 |
7/8 |
22.2 |
12 |
305 |
| 1/4 |
0.246 |
6.3 |
7/8 |
22.2 |
36 |
915 |
| 3/8 |
0.371 |
9.4 |
7/8 |
22.2 |
48 |
1220 |
| 1/2 |
0.496 |
12.6 |
7/8 |
22.2 |
60 |
1520 |
| 5/8 |
0.621 |
15.8 |
1 |
25 |
72 |
1830 |
| 3/4 |
0.746 |
18.9 |
1 |
25 |
72 |
1830 |
| 1 |
0.996 |
25.3 |
1 1/4 |
32 |
72 |
1830 |
(Indicates recommended maximum sheath length; however, longer lengths may be available.) Extend your options to suit specific application needs without compromising on quality.
Termination Options: Diverse End Connections for Versatile Applications
1. Swaged-in Flexible Leads:
Swaged-in flexible leads with silicone-fiberglass insulation are recommended for applications where the leads must be bent at the exit point from the heater. These leads offer flexibility and durability in compact spaces.
Unless a longer length is specified, 250mm - Standard lengths provided for your installation needs.
(10 in.)
leads are supplied.
Heaters 150mm - Ideal sizing for efficient space utilization.
(6 in.)
or shorter generally have a 6mm - Compact and efficient design for smaller applications.
(1/4 in.)
no-heat section. Heaters up to 250mm - Designed to maximize heating efficiency.
(10 in.)
require a 25mm - Optimized for effective thermal management and safety.
(1 in.)
no-heat section. Heaters greater than 250mm may require more than a 25mm no-heat section. To order, please specify - Tailor your heater specifications for customized solutions.swaged-in flexible leads.
2. Right Angle Leads:
Right angle leads are used in applications with a high degree of flexing and when space limitations are critical. Lead wires exit at a 90° angle through the side of the heater sheath, offering a space-efficient, adaptable solution.
A right-angle tube may be necessary for certain constructions. To order, specify - Ensure the right fit for your specific design needs.right angle leads and specify your desired lead length for a personalized fit.
| Diameter mm |
Min No-Heat Length mm(in.) |
| 6.5 |
15 (9/16) |
| |
15 (9/16) |
| 108.0 |
17 (2/3) |
| 12.5 |
18 (11/16) |
| 16.0 |
20 (3/4) |
| 20.0 |
21 (13/16) |
3.Premium Stainless Steel Braid
Our robust stainless steel braid is meticulously engineered to protect leads from abrasion and damage against sharp edges, ensuring outstanding durability and consistent reliability.
For various lead exit configurations, we provide customized solutions: When the leads exit straight, the braid is seamlessly swaged into the heater's no-heat section. For right-angle exits, a crimp connector securely attaches the braids, ensuring optimal integration and performance.
Unless specified otherwise, our standard leads extend to a length of 250 mm
(10 inches)
in order to accommodate your requirements. The braid extends to a length of 200 mm
(8 inches)
long. For a custom order, please specify your preferences regarding straight or right-angle stainless steel braids, desired lead length, and specific no-heat section requirements.
| Diameter |
Min. No-Heat Length |
| Straight |
Right Angle mm |
| mm |
| mm (in.) |
|
(in.) |
| |
|
| 6.5 |
30 (1 1/8) |
|
N/A |
| 8.0 |
30 (1 1/8) |
15 |
(9/16) |
| 10.0 |
30 (1 1/8) |
17 |
(2/3) |
| 12.5 |
30 (1 1/8) |
18 |
(11/16) |
| 16.0 |
30 (1 1/8) |
20 |
(3/4) |
| 20.0 |
30 (1 1/8) |
21 |
(13/16) |
4. Durable Stainless Steel Hose
Our stainless steel hose is designed to provide superior protection against abrasion from sharp edges or abrasive equipment, while also offering ease of handling and streamlined wiring solutions in challenging environments.
For right-angle lead exits, the hose is expertly silver soldered to the sheath. Unless otherwise indicated, standard leads measure 250 mm(10 inches)in length, while the hose measures 200 mm(8 inches)in length. When ordering, please specify your preferences for stainless steel hoses, lead length, and no-heat section requirements.
| |
Min. No-Heat Length |
| Diameter |
Straight |
Right Angle mm |
| mm |
mm (in.) |
|
(in.) |
| 6.5 |
30 (1 1/8) |
|
N/A |
| 8.0 |
30 (1 1/8) |
15 |
(9/16) |
| 10.0 |
30 (1 1/8) |
17 |
(2/3) |
| 12.5 |
30 (1 1/8) |
18 |
(11/16) |
| 16.0 |
30 (1 1/8) |
20 |
(3/4) |
| 20.0 |
30 (1 1/8) |
21 |
(13/16) |
5. Galvanized Conduit Protection
Our galvanized conduit offers protection on par with stainless steel hose, safeguarding against abrasion and ensuring longevity.
The conduit is affixed with a 90° elbow copper coupler, securely overlapping the heater sheath. In the absence of specific instructions, we supply a standard 200 mm(8 inches)conduit with leads that extend 50 mm beyond the conduit. To place an order, specify your preferences for galvanized conduit, lead length, and no-heat section requirements.
| |
Min |
|
|
Galvani |
| Diam |
Dimensio |
Dimensio |
zed |
| No-Heat |
| eter |
n A |
n B |
conduit |
| Length |
| mm |
mm(in.) |
mm(in.) |
O.D. |
| mm(in.) |
| |
|
|
mm(in.) |
| |
|
|
|
| 6.5 |
12(7/16) |
22(7/8) |
29(1 1/8) |
10(3/8) |
| 8.0 |
12(7/16) |
22(7/8) |
29(1 1/8) |
10(3/8) |
| 10.0 |
12(7/16) |
22(7/8) |
29(1 1/8) |
10(3/8) |
| 12.5 |
12(7/16) |
28(1 1/8) |
30(1 3/16) |
14(1/2) |
| 16.0 |
12(7/16) |
28(1 1/8) |
34(1 5/16) |
14(1/2) |
| 20.0 |
12(7/16) |
29(1 1/8) |
36(1 7/16) |
16(5/8) |
6. High-Temperature Ceramic Bead Insulation
Our ceramic bead insulation offers exceptional protection for leads operating in high-temperature environments above 450°C(840°F).The ceramic beads are designed to fit over solid conductors and extend to cooler areas where flexible wires can be securely attached. To place an order, specify ceramic bead type and length, as well as additional lead length requirements tailored to your needs.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges offer a convenient mounting method and an effective means of positioning heaters within various applications. Flange style and specifications are customized to meet customer requirements. These flanges can be positioned in any no-heat section of the heater sheath. To order, specify flange type, flange size, and precise location. .
Immersion Cartridge Heaters for Liquid Applications:
For efficient liquid immersion heating applications, we recommend utilizing brass or stainless steel threaded bushings.
The size of the threaded bushing is precisely matched to the pipe diameter. Available specifications include
G thread, NPT thread, and BSPP thread, among other options tailored to your specific requirements.
Step-by-Step Guide to Installing Cartridge Heaters: A Comprehensive Pathway to Optimal Performance
1. Create a precise hole in the section to be heated, ensuring perfect alignment and efficiency.
2. Ream a smooth hole for optimal contact, thereby enhancing the unparalleled heat transfer capability.
3. Extend the hole through the section to facilitate seamless removal of the unit when necessary, ensuring convenience and efficiency.
4. If making a through hole is not feasible, increase the hole size within the acceptable tolerances for maximum efficiency.
5. Minimize vibration and flexing of the lead wires to significantly extend the service life of your heaters.
6. Prevent liquid contamination by protecting the heater's end, guaranteeing longevity and reliability.
When ordering Cartridge Heaters, please provide the following essential details to ensure precise customization :
1. Type of Cartridge Heater (please refer to Termination Options for optimal selection)
2. Diameter of Cartridge Heater, tailored to your specific needs.
3. Overall length of the straight Cartridge Heaters, customized for your application.
4. Wattage and Voltage, for perfect power and efficiency alignment.
5. Type of Lead (glass fibre / PTFE) and lead length, to suit your operational environment.
FAQ
(1). Q: Can you offer a discount?
A: It depends on the quantity. The larger the quantity, the greater the discount, offering you incredible value.
(2). Q: How can I obtain a sample?
A: For most products, samples can be sent free of charge if the quantity is small, with customers covering the shipping costs. Alternatively, provide your DHL, FEDEX, EMS, or UPS account number. For larger quantities, a sample fee may apply. Experience our quality before committing.
(3). Q: Why is your price higher than other Chinese suppliers?
A: We focus on producing high-quality, high-performance products to build long-term, amicable relationships with all customers. Our unwavering commitment to quality ensures you receive unparalleled value.
While our prices may not be the lowest, the cost performance is the highest, providing you exceptional product integrity.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: Our warehouse team keeps an identical sample marked with your company name before sending the original to you, ensuring consistent production quality. Trust us for a seamless and consistent experience.
){kind=link}