Screwed in Type Electric Immersion Cartridge Heating Element
Our cartridge heater is an engineering marvel, featuring a robust cylindrical stainless steel tube that embodies exceptional corrosion resistance. Encased within, a precisely wound heating wire elegantly coils around a premium ceramic core, forming the heart of this extraordinary high-performance heater.
Tailored coil count aligns perfectly with the heater's power specifications, ensuring unparalleled heat distribution and an extended lifespan. This innovative design superbly minimizes oxidation of the heating wire, even at higher temperatures. Whether it's for heating solids, liquids, or gases, our cartridge heaters shine in transferring heat rapidly through conduction, provided they are in direct contact with the heat sink. Perfectly suited for manufacturing plastic and rubber components in the automotive industry, these heaters also play a pivotal role in food processing, chemical, electronics, medical equipment, packaging, and nuclear industries.
In addition to our extensive standard range, we excel in custom-developing and manufacturing cartridge heaters specifically tailored to meet your distinctive requirements.
Our cartridge heaters boast a robust crimped-on or swaged-in construction, incorporating a high-grade nickel-chromium resistance wire that promises unparalleled performance.
This wire is expertly wound around a superior-quality MgO core, meticulously centered within a stainless steel casing.
Cartridge heaters are ingeniously designed for versatile heating applications, such as metal parts and liquid heating when equipped with threaded bushings. Capable of achieving formidable metal temperatures up to 760°C, these heaters deliver outstanding performance when complemented with the appropriate material, watt density, and fit selections.
Performance capabilities:
1. Achieving part temperatures soaring up to 1400°F (760°C) with a resilient alloy 800 sheath
2. Impressive watt densities reaching up to 40W/cm²
3. A wide operating voltage range from as low as 5VAC to a maximum of 480VAC
4. Remarkably small minimum diameter of just 3mm
5. Maximum diameter extending to 35mm
Benefits:
1. Effortless and cost-effective installation
2. Crafted with the finest premium materials
3. Superior heat transfer efficiency
4. Maintenance made easy and hassle-free
5. Consistently uniform temperature distribution
6. Outstanding resistance to oxidation and corrosion
7. Unparalleled durability and longevity
8. Certified excellence with TÜV Rheinland (CE certification)
Technical Details:
1. Tube diameter: Ranging from Φ3mm to Φ30mm
2. Tube Material: Options include SS304, SS316, SS321, NICOLOY800, among others.
3. Insulation Material: Utilizing high-purity MgO
4. Resistance wire element: Comprising Ni-Cr or FeCr
5. Lead Connection Options: Crimped or Swaged leads are designed for optimal durability and performance, tailored to meet your specific heating needs with precision.
6. Lead and Type of Connection: Featuring 10" Fiberglass Standard leads that ensure reliable conductivity and endurance in various applications.Wire Options: Choose from Silicone or High-Temperature Fiberglass for enhanced performance tailored to your operational demands..
Specification of Cartridge Heaters: Discover the precise engineering and high-performance capabilities of our 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 categorized by density into two distinct types:
1. High Power Density: Offering heat area surface power ranging from 10 to 25 W/cm², ideal for applications requiring intense thermal energy.
Maximum working temperature of up to 450°C ensures efficient heat transfer and resilience in high-demand environments.
2. Middle to Low Power Density: Heat area surface power ranging from 5 to 11 W/cm², suitable for moderate heating applications.
Working temperature up to 300°C, providing stability and safety in less intensive heating scenarios.
Voltage: Available in a broad range from 12V to 250V, or customized as per your specific requirements for versatile application.
High Density Construction:
Crafted from premium stainless steel, the heaters promise enduring durability and protection, even in the harshest industrial settings.
Featuring a stainless steel sheath, achieve watt densities up to 50 W/cm² and operating temperatures soaring to 800°C.
Explore More Photos of Our Cartridge Heaters: Visualize the high-quality craftsmanship and innovative designs that set our heaters apart.
Factors - How to Choose the Right Cartridge Heaters:
Consider these crucial factors to ensure you select the most suitable cartridge heater for your needs:
1. Determine the operating temperature to match your process requirements.
2. Assess the watt density of the heating element for optimal energy efficiency.
3. Choose the appropriate sheath material based on exposure to corrosive or non-corrosive environments.
-
- Evaluate the temperature of the corrodent to ensure material compatibility.
-
- Understand the degree of aeration of the exposed corrodent for better performance.
-
- Account for the velocity of the corrodent to enhance heater lifespan.
Dimensional Data:
(This table provides the minimum and maximum sheath lengths available for various diameters, ensuring a perfect fit for your application.)
| |
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, though extended lengths may be accommodated upon request.)
Termination Options:
1. Swaged-in Flexible Leads:
These leads, featuring silicone-fiberglass insulation, are ideal for scenarios where bending at the exit point is necessary.
Standard length provided is 250mm
(10 in.)
unless specified otherwise to suit your precise application requirements.
For heaters measuring 150mm
(6 in.)
or shorter, a 6mm
(1/4 in.)
no-heat section is typical. Heaters up to 250mm
(10 in.)
necessitate a 25mm
(1 in.)
no-heat section. For heaters beyond 250mm, larger sections may be required. Specifyswaged-in flexible leads when ordering for customized fit.
2. Right Angle Leads:
Perfect for high-flex applications with space constraints, these leads exit at a 90° angle, optimizing space and functionality.
Certain constructions may require a right-angle tube, ensuring tailored fit and performance. Order by specifyingright angle leads for precise application 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.Premium Stainless Steel Braid
Our robust stainless steel braid is meticulously crafted to protect leads from potential damage due to abrasion against sharp edges. This ensures not only durability but also unmatched reliability.
For various lead exit configurations, we provide bespoke solutions: When the leads exit straight out, the braid is expertly swaged into the heater's no-heat section. For right-angle exits, a crimp connector securely attaches the braids for flawless integration.
Unless otherwise specified, our standard leads extend to a length of 250 mm
(10 in.)
in length. The braid itself measures 200 mm
(8 in.)
long. To customize your order to your exact specifications, please indicate your preference for a straight or right-angle stainless steel braid, lead length, and 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 offers exceptional protection against abrasion from sharp edges or abrasive machinery. It ensures ease of handling and streamlined wiring in challenging environments.
For right-angle lead exits, the hose is expertly silver soldered to the sheath. Unless specified, our standard leads are 250 mm(10 in.)in length, and the hose measures 200 mm(8 in.)in length. To place an order, please specify 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. Galvanized Conduit Protection
Our galvanized conduit provides protection akin to that of the stainless steel hose, safeguarding against abrasion.
The conduit is affixed with a 90° elbow copper coupler, which securely overlaps the heater sheath. Unless otherwise mentioned, we supply a standard 200 mm(8 in.)conduit, with leads 50 mm longer than the conduit. To place an 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. High-Temperature Ceramic Bead Insulation
Our ceramic bead insulation offers outstanding protection for leads in high-temperature environments exceeding 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 beads and length, and any additional lead length requirements.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges offer a convenient mounting method and an effective way to position heaters within applications. Flange style and specifications are custom-tailored to meet customer requirements. These flanges can be positioned at any no-heat section of the heater sheath. To place an order, specify flange, flange size, and location. .
Immersion Cartridge Heaters for Liquid Applications:
For applications involving liquid immersion heating, we recommend the use of brass or stainless steel threaded bushings.
The size of the threaded bushing is matched to the pipe diameter. Available specifications include
G thread, NPT thread, and BSPP thread , among others.
Step-by-Step Guide to Installing Cartridge Heaters:
1. Craft an impeccably precise hole in the designated section to be heated.
2. Ream a flawlessly smooth hole to achieve optimal contact and significantly enhanced heat transfer.
3. Extend the hole through the section to facilitate the seamless removal of the unit whenever necessary.
4. If fabricating a through hole is not an option, adjust the hole size within acceptable tolerances.
5. Minimize vibrations and flexing of the lead wires to substantially extend the service life of the unit.
6. Prevent liquid contamination by effectively safeguarding the heater's terminal end.
When placing an order for Cartridge Heaters, kindly provide the following specifications :
1. Type of Cartridge Heater (please refer to our Termination Options for guidance)
2. Diameter of the Cartridge Heater
3. Overall length of the straight Cartridge Heaters
4. Wattage and Voltage specifications
5. Type of Lead (glass fibre / PTFE) and the specific lead length required.
FAQ
(1). Q: Can you offer a discount?
A: Discounts depend on the quantity ordered; larger orders qualify for more substantial savings.
(2). Q: How can I obtain a sample?
A: For most products, complimentary samples are available for small quantities, with shipping costs covered by the customer. Alternatively, provide your DHL, FEDEX, EMS, or UPS account number. For larger sample quantities, a fee may apply.
(3). Q: Why is your price higher than other Chinese suppliers?
A: Our focus is on producing superior quality, high-performance products, ensuring long-term, amicable relationships with our customers.
While our prices may not be the lowest, the value and performance we offer is unparalleled.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: Our warehouse team retains an identical sample, marked with your company name, before dispatching the original to you, ensuring consistent production quality.
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