Electric Industrial L Type Cartridge Inox Resistance
Our cartridge heater is crafted from a robust cylindrical stainless steel tube, ensuring unparalleled corrosion resistance and longevity. Nestled inside is a precisely wound heating wire, intricately coiled around a high-grade ceramic core, forming the powerhouse of this remarkable heater.
The number of coils is meticulously tuned to match the heater's power specifications, guaranteeing excellent heat distribution and extending the heater's service life. This innovative design also minimizes oxidation of the heating wire at high temperatures. Whether you need to heat solids, liquids, or gases, our cartridge heaters deliver quick, efficient heat transfer through conduction, ensuring they perform optimally when in direct contact with a heat sink. Perfectly suited for plastic and rubber component manufacturing in the automotive sector, these heaters are indispensable in industries such as food processing, chemicals, electronics, medical equipment, packaging, and nuclear power.
In addition to our broad range of standard offerings, we excel in the custom development and manufacturing of cartridge heaters, specifically designed to meet your precise requirements.
Cartridge heaters come with a crimped-on or swaged-in construction, featuring a top-quality nickel-chromium resistance wire to ensure outstanding performance.
This wire is artfully wound around a superior-quality MgO core, perfectly centered within a durable stainless steel casing, enhancing both efficiency and reliability.
Cartridge heaters are engineered for a wide range of heating applications, including metal parts and liquid heating when paired with threaded bushings. They are capable of reaching metal temperatures up to 760°C, delivering peak performance when the appropriate material, watt density, and fit are selected.
Performance capabilities:
1. Achieve part temperatures as high as 1400°F (760°C) with an alloy 800 sheath
2. Support watt densities up to 40W/cm² for powerful heating
3. Operate at maximum voltages up to 480VAC, with minimum voltages as low as 5VAC
4. Minimum diameter options down to just 3mm for precision heating
5. Maximum diameter options available up to 35mm for larger applications
Benefits:
1. Simple, cost-effective installation process
2. Built using top-tier materials for lasting quality
3. Superior heat transfer efficiency for optimal performance
4. Easy maintenance for continuous operation
5. Ensures uniform temperature distribution across the surface
6. Highly resistant to oxidation and corrosion, preserving longevity
7. Incredibly durable, built to withstand demanding conditions
8. TÜV Rheinland certified (CE certification) for quality assurance
Technical Details:
1. Tube diameter: Φ3mm-Φ30mm for versatile application suitability
2. Tube Material: Options include SS304; SS316, SS321, NICOLOY800, and more for varied needs
3. Insulation Material: Composed of high-purity MgO for effective insulation
4. Resistance wire element: Available in Ni-Cr or FeCr for tailored performance
5. Lead Connection Options: Choose between crimped or swaged leads for secure connections
6. Lead and Type of Connection Leads: Featuring a robust 10" Fiberglass Standard, ensuring reliable and enduring connections for all your heating needs.Wire Options: Choose between high-performance Silicone or High Temperature Fiberglass for optimal efficiency and durability..
Specification of Cartridge Heaters:
| 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:
Common cartridge heaters can be deftly categorized into two types based on density:
1. High Power Density: Harness the power with heat area surface power ranging from 10~25 W/cm².
Working temperature ≤ 450°C, ideal for intense heating applications.
2. Middle to Low Power Density: Delivering efficient heating with surface power between 5~11 W/cm².
Working temperature ≤ 300°C, perfect for moderate heating needs.
Voltage: 12~250V, customizable as per specific requirements, offering flexibility and adaptability.
High Density Construction:
Crafted with high-quality stainless steel, our heaters promise unmatched durability and protection, even in the toughest industrial environments.
Encased in a stainless steel sheath, achieving watt densities up to 50 W/cm² and operating temperatures soaring up to 800°C.
More Photos of Our Cartridge Heaters:
Factors - How to Choose the Right Cartridge Heaters:
Consider the following essential factors to make an informed selection of your cartridge heater:
1. Operating temperature - Ensure compatibility with your specific heating requirements.
2. Watt density of the heating element - Choose based on the intensity of heat needed.
3. Sheath material (corrosive or non-corrosive) - Select based on exposure to corrosive elements.
-
- Temperature of the corrodent - Essential for appropriate sheath material selection.
-
- Degree of aeration of exposed corrodent - Important for performance and longevity.
-
- Velocity of the corrodent - Consider for optimal heater performance.
Dimensional Data:
(This table provides comprehensive minimum and maximum sheath lengths for various diameters.)
| |
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.)
Termination Options:
1. Swaged-in Flexible Leads:
Swaged-in flexible leads, insulated with silicone-fiberglass, are ideal for applications requiring bends at the heater's exit point.
Unless specified otherwise, heaters are equipped with 250mm
(10 in.)
leads, ensuring ample length for versatile applications.
Heaters up to 150mm
(6 in.)
or shorter typically feature a 6mm
(1/4 in.)
no-heat section, while heaters up to 250mm
(10 in.)
require a 25mm
(1 in.)
no-heat section. For heaters exceeding 250mm, a larger no-heat section may be necessary. Specify desired lead configuration when ordering.swaged-in flexible leads, tailored to your specifications.
2. Right Angle Leads:
Right angle leads are designed for applications demanding high flexibility and minimal space, with wires exiting at a 90° angle from the heater.
A right-angle tube may be required for specific constructions. Specify right angle leads and preferred lead length when ordering.
| 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
Crafted with precision and expertise, our robust stainless steel braid is your answer to ultimate lead protection! Designed meticulously, it shields against abrasions from sharp edges, ensuring unparalleled durability and reliability for your equipment.
We understand the unique needs of our customers, which is why we offer customized lead exit configurations! For leads exiting straight out, the braid is skillfully swaged into the no-heat section of the heater. For right-angle exits, a crimp connector secures the braids seamlessly, ensuring a perfect fit and integration.
Our standard lead length is a generous 250 mm
(10 in.)
in length. Complementing this, the braid itself is a sturdy 200 mm
(8 in.)
long. To tailor your order to perfection, simply specify your preferences for straight or right-angle stainless steel braid, desired lead length, and exact 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
Engineered for excellence, our stainless steel hose provides unrivaled protection against abrasion from edges or abrasive equipment. It promises ease of handling and efficient wiring, even in the most challenging environments.
For optimal right-angle lead exits, the hose is expertly silver soldered to the sheath. By default, our leads stretch a convenient 250 mm(10 in.)in length, while the hose extends a sturdy 200 mm(8 in.)in length. To personalize your purchase, please specify stainless steel hose, preferred lead length, and desired no-heat section.
| |
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 stands as a testament to robust protection, equaling that of stainless steel hoses against abrasion.
With its 90° elbow copper coupler, the conduit overlaps securely with the heater sheath, ensuring a steadfast connection. Our standard offering includes a 200 mm(8 in.)conduit, featuring leads that extend 50 mm longer. To order, simply specify galvanized conduit, custom lead length, and desired no-heat section.
| |
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
Exemplifying superior insulation, our ceramic bead solution is crafted for high-temperature environments exceeding 450°C(840°F).These ceramic beads snugly fit over solid conductors and extend to cooler regions, allowing secure attachment of flexible wires. To customize, specify ceramic bead specifications and lengths, as well as additional lead length needs.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges are ingeniously designed to provide effortless mounting and precise positioning for heaters. Customizable to your specifications, these flanges can be positioned in any no-heat section of the heater sheath. To place your order, please specify flange type, size, and desired location. .
Immersion Cartridge Heaters for Liquid Applications:
For optimal results in liquid immersion heating, we recommend our brass or stainless steel threaded bushings.
Each bushing is precisely matched to the pipe's diameter, and available in a variety of specifications including
G thread, NPT thread, and BSPP thread , among others.
Step-by-Step Guide to Installing Cartridge Heaters:
1. Begin by crafting a meticulously precise hole in the section that requires efficient heating.
2. Ream a flawlessly smooth hole to guarantee optimal contact and significantly enhance heat transfer capabilities.
3. Extend the hole all the way through the section, ensuring the unit can be effortlessly removed when necessary.
4. If creating a through hole is unfeasible, judiciously increase the hole size within acceptable tolerances to accommodate your needs.
5. Diligently minimize vibration and flexing of the lead wires to significantly prolong the service life of your unit.
6. Safeguard the heater's end to effectively prevent any potential liquid contamination, ensuring longevity.
When placing an order for our premium Cartridge Heaters, please supply the following essential details :
1. Specify the Type of Cartridge Heater (please refer to our Termination Options for guidance).
2. Indicate the precise Diameter of the Cartridge Heater.
3. Provide the Overall Length of the straight Cartridge Heaters.
4. Detail the required Wattage and Voltage specifications.
5. Specify the Type of Lead (glass fiber / PTFE) along with the desired lead length.
FAQ
(1). Q: Can you offer a discount?
A: Discount offerings are contingent on the order quantity. Larger orders benefit from enhanced discounts.
(2). Q: How can I obtain a sample?
A: Most samples can be dispatched free of charge for small quantities, provided the customer covers shipping costs. Alternatively, supply your DHL, FEDEX, EMS, or UPS account number. For larger quantities, a nominal sample fee may apply.
(3). Q: Why is your price higher than other Chinese suppliers?
A: Our commitment lies in manufacturing high-caliber, top-performance products, fostering enduring, positive relationships with every customer.
Though our prices might not be the lowest, our cost-performance ratio is unparalleled.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: Our diligent warehouse team retains an identical sample, distinctly marked with your company name, before dispatching the original, ensuring consistent quality in mass production.
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