Advanced Cartridge Heating Element with Reliable Thermocouple Control
Our cartridge heater is encapsulated in a robust cylindrical stainless steel tube, designed for superior corrosion resistance. Inside, the meticulously wound heating wire, coiled around a premium ceramic core, forms the heart of this high-performance heater.
The coil count is meticulously tailored to match the heater's power specifications, ensuring optimal heat distribution and prolonging the heater's lifespan. This sophisticated design minimizes heating wire oxidation, even at elevated temperatures. Ideal for heating solids, liquids, or gases, our cartridge heaters excel in swift heat transfer through conduction when in direct contact with the heat sink. Essential for manufacturing plastic and rubber components in the automotive industry, these heaters are also vital in food processing, chemical, electronics, medical equipment, packaging, and nuclear industries.
Beyond offering an extensive standard range, we specialize in custom-developing and manufacturing cartridge heaters to meet your unique specifications.
Our cartridge heaters feature a crimped-on or swaged-in construction, incorporating high-grade nickel-chromium resistance wire for exceptional performance.
This nickel-chromium wire is meticulously wound around a superior-quality MgO core, perfectly centered within a stainless steel casing.
Our cartridge heaters are engineered for diverse heating applications, including metal parts and liquid heating with threaded bushings. Capable of achieving metal temperatures up to 760°C, these heaters deliver optimal performance with the right material, watt density, and fit selections.
Performance Capabilities:
1. Part temperatures reaching up to 1400°F (760°C) with an alloy 800 sheath.
2. Watt densities up to 40W/cm².
3. Maximum operating voltage up to 480VAC, with a minimum voltage as low as 5VAC.
4. Minimum diameter as small as 3mm.
5. Maximum diameter up to 35mm.
Benefits:
1. Easy and economical installation.
2. Constructed with premium materials.
3. Enhanced heat transfer efficiency.
4. Effortless maintenance.
5. Uniform temperature distribution.
6. Resistant to oxidation and corrosion.
7. Exceptional durability.
8. Certified by TÜV Rheinland (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: Experience the utmost in connection stability with our high-quality crimped or swaged leads, designed for durability and dependability in various applications.
6. Lead and Type of Connection: Leads: 10" Fiberglass Standard; offering exceptional heat resistance and resilience for demanding environments.Wire Options: Choose from our premium selection of Silicone High Temperature Fiberglass, ensuring optimal performance under extreme thermal conditions..
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 Classification: Our advanced cartridge heaters are meticulously categorized based on density to serve diverse heating requirements.
1. High Power Density: Boasting a heat area surface power of 10~25 W/cm², this type of heater is perfect for high-intensity applications.
Working Temperature: Performs efficiently at a working temperature of ≤ 450°C.
2. Middle to Low Power Density: Offers a heat area surface power of 5~11 W/cm², ideal for moderate heating needs.
Working Temperature: Reliable operation at a working temperature of ≤ 300°C.
Voltage: Versatile Voltage Options: Available in ranges from 12~250V (customizable as per requirement to fit your specific needs).
High Density Construction:
Robust Stainless Steel Construction: Our high-quality stainless steel construction ensures exceptional durability and protection, even in the most challenging industrial environments.
Maximum Efficiency: Encased with a stainless steel sheath, these heaters achieve a watt density of up to 50 W/cm² and can operate at temperatures up to 800°C.
More Photos of Our Cartridge Heaters:
Factors - How to Choose the Right Cartridge Heaters:
Guidelines for Selecting the Perfect Cartridge Heater: Consider these essential factors to ensure optimal performance and longevity of your heater:
1. Operating Temperature: Ensure the heater meets your specific temperature requirements.
2. Watt Density of the Heating Element: Match the watt density to your application for efficient heating.
3. Sheath Material: Choose the appropriate material based on whether the environment is corrosive or non-corrosive.
-
- Temperature of the Corrodent: Consider the temperature to prevent material degradation.
-
- Degree of Aeration of Exposed Corrodent: Factor in the level of aeration for material compatibility.
-
- Velocity of the Corrodent: Assess the corrodent's velocity to optimize heater performance.
Dimensional Data:
Sheath Length Specifications: (This table details the minimum and maximum sheath lengths available 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 upon request.)
Termination Options:
1. Swaged-in Flexible Leads:
Swaged-in Flexible Leads: Featuring silicone-fiberglass insulation, these leads are perfect for applications requiring flexibility and bending at the heater exit point.
Standard Length: Unless otherwise specified, leads are supplied at a standard length of 250mm
(10 in.)
to ensure optimal performance.
Heaters 150mm
(6 in.)
or shorter typically feature a 6mm
(1/4 in.)
no-heat section. Heaters up to 250mm
(10 in.)
require a 25mm
(1 in.)
no-heat section. For heaters greater than 250mm, a no-heat section longer than 25mm may be necessary. To order, please specify your requirements.Swaged-in Flexible Leads: Tailored to meet your specific application needs.
2. Right Angle Leads:
Right Angle Leads: Ideal for applications with high flexing and space constraints. Lead wires exit at a 90° angle for optimal spatial efficiency and durability.
Custom Right-Angle Configurations: A right-angle tube may be necessary for certain builds. To order, specify your requiredRight Angle Leads: Designed to meet 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 designed to safeguard leads from abrasion against sharp edges, ensuring both durability and reliability.
For different lead exit configurations, we offer tailored solutions: When leads exit straight out, the braid is swaged into the no-heat section of the heater. For right-angle exits, a crimp connector firmly attaches the braids, providing seamless integration.
Unless otherwise specified, our standard leads measure 250 mm
(10 in.)
in length. The braid is 200 mm
(8 in.)
long. To customize your order, please specify your preference forstraight 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 provides superior protection against abrasion from sharp edges or abrasive equipment. It also ensures ease of handling and streamlined wiring in demanding environments.
For right-angle lead exits, the hose is securely silver soldered to the sheath. Unless otherwise specified, standard leads are 250 mm(10 in.)in length and the hose measures 200 mm(8 in.)in length. To 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 offers equivalent protection to stainless steel hose against abrasion.
The conduit is attached with a 90° elbow copper coupler, securely overlapping the heater sheath. Unless specified, we provide a standard 200 mm(8 in.)conduit, with leads 50 mm longer than the conduit. To 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 exceptional protection for leads in high-temperature environments above 450°C(840°F).The ceramic beads fit over solid conductors and extend to cooler areas where flexible wires can be securely attached. To order, specify ceramic beads and length, and additional lead length requirements.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges provide both a convenient mounting method and an effective way to position heaters within applications. Flange style and specifications are tailored to customer requirements. These flanges can be positioned in any no-heat section of the heater sheath. To order, specify flange, flange size, and location. .
Immersion Cartridge Heaters for Liquid Applications:
For liquid immersion heating applications, we recommend using brass or stainless steel threaded bushings.
The size of the threaded bushing is matched according to the pipe diameter. Available specifications include
G thread, NPT thread, and BSPP thread , among others.
Comprehensive Step-by-Step Guide to Installing Cartridge Heaters:
1. Create a precise and accurately measured hole in the section to be heated.
2. Ream a smooth hole to ensure optimal contact and enhanced heat transfer efficiency.
3. Extend the hole through the section to facilitate the easy removal of the unit when necessary.
4. If creating a through hole is not feasible, increase the hole size within the acceptable tolerances.
5. Minimize vibration and flexing of the lead wires to significantly extend the service life of the heater.
6. Prevent liquid contamination by diligently protecting the heater's end.
When ordering Cartridge Heaters, please provide the following essential details: :
1. Type of Cartridge Heater (please refer to Termination Options).
2. Diameter of the Cartridge Heater.
3. Overall length of the straight Cartridge Heaters.
4. Wattage and Voltage requirements.
5. Type of Lead (glass fibre / PTFE) and desired lead length.
Frequently Asked Questions (FAQ):
(1). Q: Can you offer a discount?
A: It depends on the quantity. The larger the quantity, the greater the discount you can enjoy.
(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 sample quantities, a sample fee may apply.
(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.
While our prices may not be the lowest, the cost performance and durability are the highest.
(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.
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