Cartridge Heating Element with Bx Wire and Metal Overheat Cover
Our cartridge heater is engineered with a resilient cylindrical stainless steel tube, offering unparalleled corrosion resistance and durability. Inside, a meticulously wound heating wire gracefully encircles a high-quality ceramic core, crafting the core of this exceptional high-performance heater.
The coil count is expertly tailored to match the heater's power specifications, ensuring superb heat distribution and extending its longevity. This innovative design minimizes oxidation of the heating wire, even at soaring temperatures. Whether it's heating solids, liquids, or gases, our cartridge heaters excel at rapid heat transfer through conduction, especially when in direct contact with the heat sink. Ideal for manufacturing plastic and rubber components in the automotive sector, these heaters are crucial in food processing, chemical, electronics, medical equipment, packaging, and nuclear industries.
In addition to our extensive range of standard options, we excel in custom-developing and manufacturing cartridge heaters perfectly tailored to meet your specific requirements.
Our cartridge heaters are built with a crimped-on or swaged-in construction, featuring a high-grade nickel-chromium resistance wire that ensures outstanding performance.
This wire is precisely wound around a superior-quality MgO core, perfectly centered within a robust stainless steel casing.
Cartridge heaters are engineered for a wide range of heating applications, including metal and liquid heating when paired with threaded bushings. Capable of reaching metal temperatures up to a remarkable 760°C, these heaters deliver optimal performance when the proper material, watt density, and fit are selected.
Performance capabilities:
1. Part temperatures soaring up to 1400°F (760°C) when utilizing an alloy 800 sheath
2. Impressive watt densities reaching up to 40W/cm²
3. Maximum operating voltage can go up to 480VAC, while the minimum voltage reaches as low as 5VAC
4. Remarkably small minimum diameter of just 3mm
5. Maximum diameter scaling up to 35mm
Benefits:
1. Installation is both easy and economical
2. Crafted with top-tier premium materials
3. Superior heat transfer efficiency
4. Maintenance is effortless and straightforward
5. Ensures uniform temperature distribution
6. Highly resistant to both oxidation and corrosion
7. Boasts exceptional durability
8. Certified by TÜV Rheinland, ensuring CE compliance
Technical Details:
1. Tube diameter: Φ3mm-Φ30mm
2. Tube Material: Options include SS304, SS316, SS321, NICOLOY800, and more
3. Insulation Material: High-purity MgO for superior insulation
4. Resistance wire element: Made from either Ni-Cr or FeCr
5. Lead Connection Options: Available with either crimped or swaged leads
6. Lead and Type of Connection Leads: Our standard 10" Fiberglass connection offers exceptional durability and reliability, ensuring your applications run smoothly.Wire Options: Choose between Silicone or High-Temperature Fiberglass for superior performance in heat-intensive environments..
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 divided into two types based on density:
1. High Power Density: Experience robust heating with a surface power range of 10~25 W/cm², perfect for demanding applications.
Working temperature ≤ 450°C
2. Middle to Low Power Density: Ideal for moderate applications with a surface power of 5~11 W/cm², providing efficient heating.
Working temperature ≤ 300°C
Voltage: 12~250V (or as per requirement), accommodating a wide range of industrial needs.
High Density Construction:
Crafted with high-quality stainless steel, our heaters ensure long-lasting protection, designed to withstand even the most challenging industrial environments.
Empowered with a stainless steel sheath, experience watt density up to 50 W/cm² and an operating temperature soaring to 800°C.
More Photos of Our Cartridge Heaters:
Factors - How to Choose the Right Cartridge Heaters:
Consider the following factors to select the ideal cartridge heater that meets your specific needs:
1. Operating temperature
2. Watt density of the heating element
3. Sheath material (corrosive or non-corrosive)
-
- Temperature of the corrodent
-
- Degree of aeration of exposed corrodent
-
- Velocity of the corrodent
Dimensional Data:
(This table reveals the minimum and maximum sheath lengths available for a variety of 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 |
(Shows the recommended maximum sheath length; however, longer lengths may be available upon request.)
Termination Options:
1. Swaged-in Flexible Leads:
Swaged-in flexible leads with silicone-fiberglass insulation are ideal for applications that require bending at the heater's exit point.
Unless a longer length is specified, our standard provision includes 250mm
(10 in.)
leads to accommodate a range of application needs.
Heaters 150mm
(6 in.)
or shorter typically feature a 6mm
(1/4 in.)
no-heat section. For heaters extending up to 250mm
(10 in.)
a 25mm
(1 in.)
no-heat section is required. Heaters longer than 250mm may necessitate a larger no-heat section. To order, please specifyswaged-in flexible leads.
2. Right Angle Leads:
Right angle leads are optimal for applications involving frequent bending and limited space, with lead wires exiting at a 90° angle.
In some constructions, a right-angle tube may be required. To order, specifyright angle leads 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.Premium Stainless Steel Braid
Discover unparalleled durability and protection with our expertly engineered stainless steel braid. Crafted to perfection, it shields leads from abrasions and sharp edges, guaranteeing long-lasting performance and reliability.
To cater to various lead exit configurations, we provide customized solutions: When leads exit straight, the braid is seamlessly swaged into the no-heat section of the heater. For right-angle exits, a robust crimp connector secures the braids, ensuring flawless integration.
Our standard leads are designed to measure 250 mm
(10 in.)
in length for optimal functionality. The braid, on the other hand, spans 200 mm
(8 in.)
in length. Tailor your order by specifying your preferences forstraight or right-angle stainless steel braid, 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 engineered for superior abrasion resistance against sharp edges and abrasive equipment, all while ensuring effortless handling and efficient wiring in tough environments.
For right-angle lead exits, the hose is precisely silver soldered to the sheath. By default, leads measure 250 mm(10 in.)in length, with the hose measuring 200 mm(8 in.)in length. Customize your order by specifying stainless steel hose, lead length, and no-heat section details.
| |
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 comparable to stainless steel hose, effectively guarding against abrasions.
The conduit is expertly attached using a 90° elbow copper coupler, creating a secure overlap with the heater sheath. Unless specified otherwise, we supply a standard 200 mm(8 in.)conduit, with leads extending 50 mm beyond the conduit. Customize your order by specifying galvanized conduit, lead length, and no-heat section preferences.
| |
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 top-tier ceramic bead insulation delivers remarkable lead protection in high-temperature settings exceeding 450°C(840°F).Ceramic beads are designed to fit over solid conductors and extend into cooler areas where flexible wires can be securely attached. To customize your order, specify ceramic bead type and length, along with any additional lead length needs.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges offer a practical mounting solution and an efficient method for heater positioning within applications. We tailor flange style and specifications to meet your unique requirements. Flanges can be placed anywhere within the no-heat section of the heater sheath. To order, specify flange type, flange size, and desired location. .
Immersion Cartridge Heaters for Liquid Applications:
For optimal performance in liquid immersion heating, we suggest using brass or stainless steel threaded bushings.
Threaded bushing sizes are matched to pipe diameters, with available specifications including
G thread, NPT thread, and BSPP thread, among others.
Step-by-Step Guide to Installing Cartridge Heaters:
1. Craft a meticulously accurate hole in the designated section for targeted heating.
2. Ream a flawlessly smooth hole to guarantee optimal contact and superior heat transfer efficiency.
3. Extend the hole throughout the section to allow effortless removal of the unit when required.
4. If a through hole is impractical, enlargen the hole to fit within acceptable tolerances.
5. Diminish vibration and flexing of the lead wires to prolong the service life of the unit.
6. Shield the heater's end to prevent any liquid contamination and ensure longevity.
When placing an order for Cartridge Heaters, kindly provide the requisite specifications. :
1. Specify the Type of Cartridge Heater (refer to Termination Options for guidance).
2. Indicate the precise Diameter of the Cartridge Heater.
3. Detail the Overall Length of the straight Cartridge Heaters for exact fit.
4. Specify the Wattage and Voltage requirements for optimal performance.
5. Indicate the Type of Lead (glass fibre / PTFE) and desired lead length.
FAQ
(1). Q: Can you offer a discount?
A: Discounts are contingent upon order volume; larger orders qualify for greater discounts.
(2). Q: How can I obtain a sample?
A: Complimentary samples for small quantities are available with shipping costs borne by the customer. Alternatively, provide your courier account number for shipment. For extensive quantities, a sample fee might be applicable.
(3). Q: Why is your price higher than other Chinese suppliers?
A: We prioritize crafting high-quality, high-performance products to establish enduring and positive customer relationships. Our prices reflect this commitment.
Though not the cheapest, our products offer unparalleled cost performance and value.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: Our meticulous process involves storing an identical sample, tagged with your company's name, ensuring every production run matches the original quality.
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