Straight Cartridge Resistance Heater with Metal Oeverheat Hose
Our state-of-the-art cartridge heater is encased in a rugged cylindrical stainless steel tube, boasting exceptional resistance against corrosion. Within this formidable structure lies a precisely wound heating wire elegantly coiled around a high-grade ceramic core. This intricate assembly forms the core of our high-performance heater, designed to deliver unmatched efficiency and reliability.
The coil count is expertly calibrated to align with the heater's power specifications, ensuring perfect heat distribution and significantly extending the heater's lifespan. This innovative design minimizes oxidation of the heating wire, even under extreme conditions. Whether you need to heat solids, liquids, or gases, our cartridge heaters are engineered to transfer heat swiftly and effectively through conduction, provided there is direct contact with the heat sink. These heaters are indispensable in manufacturing plastic and rubber components within the automotive sector and play a crucial role in industries like food processing, chemical, electronics, medical equipment, packaging, and nuclear sectors.
In addition to our extensive range of standard offerings, we take pride in our ability to custom-develop and manufacture cartridge heaters that are meticulously tailored to meet your specific requirements.
Cartridge heaters are engineered with a crimped-on or swaged-in construction, utilizing a high-grade nickel-chromium resistance wire to deliver unparalleled performance.
This wire is precisely wound around a high-quality MgO core, which is expertly centered within a stainless steel casing, ensuring optimum functionality and durability.
Cartridge heaters are crafted to cater to diverse heating applications, including metal parts and liquid heating when paired with threaded bushings. These heaters can achieve metal temperatures soaring up to 760°C, delivering peak performance through the right selection of material, watt density, and fit.
Performance capabilities:
1. Part temperatures that can reach an impressive 1400°F (760°C) with the robust alloy 800 sheath
2. Watt densities that can soar up to 40W/cm², ensuring powerful and efficient heating solutions
3. Operates at a maximum voltage of up to 480VAC, while accommodating a minimum voltage as low as 5VAC
4. Minimum diameter precision as small as 3mm, for highly specialized applications
5. Maximum diameter capacity extending to 35mm, offering versatility in different applications
Benefits:
1. Installation is easy and cost-effective, reducing operational downtime
2. Constructed using only the finest premium materials, ensuring lasting quality
3. Remarkably enhanced heat transfer efficiency, maximizing performance
4. Maintenance is straightforward and hassle-free, ensuring smooth operation
5. Ensures uniform temperature distribution for consistent performance
6. Highly resistant to oxidation and corrosion, ensuring long-term durability
7. Boasts exceptional durability, standing the test of time
8. TÜV Rheinland certified (CE certification), assuring top-notch quality and safety
Technical Details:
1. Tube diameter: Φ3mm-Φ30mm, providing adaptability for various applications
2. Tube Material: Available in SS304, SS316, SS321, NICOLOY800, etc., catering to different needs
3. Insulation Material: Utilizes high-purity MgO for optimal insulation and performance
4. Resistance wire element: Comprised of Ni-Cr or FeCr, ensuring reliability and efficiency
5. Lead Connection Options: Choose from crimped or swaged leads, offering flexibility and convenience
6. Lead and Type of Connection Leads: Our premium 10" Fiberglass Standard offers durability and high performance in demanding environments.Wire Options: Select from our Silicone or High-Temperature Fiberglass options for superior heat resistance and flexibility..
Specification of Cartridge Heaters: Delve into the intricacies and robust capabilities of our cutting-edge 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 divided into two types based on density: a comprehensive solution adaptable to your specific thermal needs.
1. High Power Density: Remarkable heat area surface power of 10~25 W/cm² ensures efficient and rapid heating.
Working temperature ≤ 450°C, offering optimal performance under high thermal conditions.
2. Middle to Low Power Density: Ideal for moderate heating applications with a surface power of 5~11 W/cm².
Working temperature ≤ 300°C, perfect for applications requiring controlled thermal output.
Voltage: Operating range from 12~250V, customizable to meet your exact requirements.
High Density Construction:
Crafted from high-quality stainless steel, our heaters provide unmatched durability and maximum protection in industrial settings.
Protected with a stainless steel sheath, our heaters deliver watt densities reaching 50 W/cm² and temperatures soaring up to 800°C.
More Photos of Our Cartridge Heaters: Discover the precise engineering and design excellence of our products through a visual experience.
Factors - How to Choose the Right Cartridge Heaters:
Consider these critical elements to ensure the perfect heater match for your unique application needs:
1. Operating temperature - Tailor your choice to meet specific thermal demands.
2. Watt density of the heating element - Align wattage with operational intensity requirements.
3. Sheath material (corrosive or non-corrosive) - Choose based on environmental exposure conditions.
-
- Temperature of the corrodent - Evaluate thermal resilience in corrosive contexts.
-
- Degree of aeration of exposed corrodent - Account for exposure levels in dynamic environments.
-
- Velocity of the corrodent - Optimize performance based on fluid dynamics.
Dimensional Data:
(This table shows the essential minimum and maximum sheath lengths for our diverse diameter options.)
| |
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, explore possibilities for extended lengths upon request.)
Termination Options:
1. Swaged-in Flexible Leads:
For applications requiring bending at the heater's exit point, our swaged-in flexible leads with silicone-fiberglass insulation offer unparalleled adaptability.
Unless a longer length is specified, our standard 250mm
(10 in.)
leads provide reliable connection.
Heaters 150mm
(6 in.)
or shorter typically incorporate a 6mm
(1/4 in.)
no-heat section. Heaters up to 250mm
(10 in.)
necessitate a 25mm
(1 in.)
no-heat section. For larger heaters exceeding 250mm, adjustments may require more than a 25mm no-heat section. To specify, designateswaged-in flexible leads crafted for precise engineering needs.
2. Right Angle Leads:
Perfect for high-flex areas and confined spaces, right angle leads exit at a 90° angle, ensuring seamless integration within space constraints.
A right-angle tube may be necessary for specific builds. When ordering, specifyright angle leads to complement your design requirements. and lead length.
| 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.Exquisite Stainless Steel Braid
Our meticulously crafted stainless steel braid is engineered to protect leads from abrasive damage due to sharp edges, ensuring long-lasting durability and seamless reliability.
We offer bespoke solutions for various lead exit configurations: For straight lead exits, the braid is elegantly swaged into the heater's no-heat section. For right-angle exits, a crimp connector is used to securely fasten the braid, ensuring flawless integration.
Unless stated otherwise, our leads typically measure 250 mm
(10 in.)
in length. Our braid measures 200 mm
(8 in.)
in length. When placing your order, please specify your desiredstraight or right-angle stainless steel braid, lead length, and no-heat section customization.
| 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. Resilient Stainless Steel Hose
Our premium stainless steel hose offers unparalleled protection against abrasive forces from sharp edges or equipment, while also facilitating easy maneuverability and efficient wiring in challenging environments.
For right-angle lead exits, the hose is expertly silver soldered to the sheath. Unless otherwise requested, our standard leads measure 250 mm(10 in.) in length, with the hose extending for 200 mm(8 in.)in length. When ordering, please specify your choice of stainless steel hose, lead length, and 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. Robust Galvanized Conduit Protection
Our galvanized conduit delivers protection on par with stainless steel hoses, offering excellent resistance to abrasion.
This conduit is skillfully attached using a 90° elbow copper coupler, securely enveloping the heater sheath. Unless specified, we provide a standard 200 mm(8 in.)conduit, with leads extending 50 mm longer than the conduit. To personalize your order, specify galvanized conduit, lead length, and 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. Superior High-Temperature Ceramic Bead Insulation
Our advanced ceramic bead insulation offers outstanding protection for leads in high-temperature environments exceeding 450°C(840°F).The precisely fitting ceramic beads cover solid conductors and extend to cooler zones where flexible wires are securely connected. To customize your order, specify ceramic beads and length, and additional lead length specifications.
7. Adaptable Stainless Steel Flanges
Our stainless steel flanges serve as both a convenient mounting solution and an effective way to position heaters in applications. Flange styles and specifications are customized to meet your specific requirements. These versatile flanges can be placed in any no-heat section of the heater sheath. To specify your order, mention flange, flange size, and desired location. .
Immersion Cartridge Heaters for Optimal Liquid Applications:
For liquid immersion heating applications, we recommend utilizing our brass or stainless steel threaded bushings for superior performance.
The threaded bushing sizes are precisely matched to the pipe diameter. Available options include
G thread, NPT thread, and BSPP thread , among others.
Step-by-Step Guide to Installing Cartridge Heaters:
1. Begin by crafting an impeccably precise hole in the section designated for heating, ensuring supreme accuracy.
2. Delicately ream a smooth hole to guarantee optimal contact and superior heat transfer.
3. Extend the hole all the way through the section to allow effortless removal of the unit whenever necessary.
4. If creating a through hole proves challenging, adjust the hole size within acceptable tolerances.
5. Reduce vibration and flexing of the lead wires, significantly prolonging the service life of the heater.
6. Shield the heater's end to prevent any liquid contamination, maintaining optimal functionality.
When placing an order for Cartridge Heaters, kindly provide the following details :
1. Specify the Type of Cartridge Heater (refer to Termination Options).
2. Indicate the Diameter of the Cartridge Heater.
3. Mention the Overall Length of the straight Cartridge Heaters.
4. State the Wattage and Voltage requirements.
5. Detail the Type of Lead (glass fibre / PTFE) and the desired lead length.
FAQ
(1). Q: Can you offer a discount?
A: Discounts are contingent upon order quantities; larger orders yield greater savings.
(2). Q: How can I obtain a sample?
A: Typically, small quantity samples are offered at no charge with shipping borne by the customer. Alternatively, you may share your DHL, FEDEX, EMS, or UPS account details. For more substantial requests, a sample fee may apply.
(3). Q: Why is your price higher than other Chinese suppliers?
A: Our emphasis is on crafting premium, high-performing products to cultivate enduring partnerships with our clientele.
Although our prices might not be the lowest, our value for cost 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 marked with your company name before dispatching the original to ensure consistent quality in production.
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