Customized Industrial Split Cartridge Heater Rod Resistance Heating Element
Our cartridge heater features an exceptionally durable cylindrical stainless steel tube, offering remarkable resistance against corrosion. At its core lies a precisely wound heating wire around a superior ceramic base, creating the core of a high-performance heating solution.
The coil count is expertly customized to meet the heater's specific power requirements, ensuring precise heat dissemination and extending the lifetime of the heater. This advanced design also significantly reduces oxidation of the heating wire, even under high temperature conditions. Whether your needs involve heating solids, liquids, or gases, our cartridge heaters are engineered to excel in fast heat transfer through conduction, especially in direct contact with heat sinks. Perfect for manufacturing plastic and rubber parts in the automotive sector, these heaters are also essential in industries such as food processing, chemical, electronics, medical equipment, packaging, and nuclear sectors.
Beyond our broad standard offerings, we are experts in the custom development and manufacturing of cartridge heaters to precisely match your unique requirements.
Our cartridge heaters are crafted with a crimped or swaged construction, incorporating a high-grade nickel-chromium resistance wire to ensure superior performance.
The wire is expertly wound around a top-quality MgO core, which is precisely centered within a stainless steel casing for optimal efficiency.
Cartridge heaters are engineered for a wide range of heating applications, including heating metal components and liquids when accompanied by threaded bushings. Capable of achieving metal temperatures up to 760°C, these heaters provide exceptional performance when the right material, watt density, and fit are selected.
Performance capabilities:
1. Part temperatures reaching impressive levels up to 1400°F (760°C) with an alloy 800 sheath
2. Watt densities of up to 40W/cm²
3. Maximum operating voltage of up to 480VAC, with a minimum as low as 5VAC
4. Minimum diameter as compact as 3mm
5. Maximum diameter reaching up to 35mm
Benefits:
1. Effortless and cost-effective installation
2. Crafted with premium-grade materials
3. Superior heat transfer efficiency
4. Simple and easy maintenance
5. Consistent and uniform temperature distribution
6. Enhanced resistance to oxidation and corrosion
7. Outstanding durability and longevity
8. Certified for excellence by TÜV Rheinland with CE certification
Technical Details:
1. Tube diameter: Ranging from Φ3mm to Φ30mm
2. Tube Material: Constructed from SS304, SS316, SS321, NICOLOY800, and more
3. Insulation Material: High-purity MgO for superior insulation
4. Resistance wire element: Utilizing Ni-Cr or FeCr for optimal performance
5. Lead Connection Options: Available in crimped or swaged lead configurations
6. Lead and Type of Connection Leads: 10" Fiberglass StandardWire Options: Choose from high-quality Silicone or High Temperature Fiberglass for optimal performance..
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 classified into two distinct types based on their power density:
1. High Power Density: Delivers a heat area surface power ranging from 10~25 W/cm².
Efficiently operates at a working temperature of up to 450°C.
2. Middle to Low Power Density: Designed for a heat area surface power between 5~11 W/cm².
Suitable for working temperatures up to 300°C.
Voltage: Versatile voltage range from 12~250V (or customizable as per specific requirements).
High Density Construction:
Crafted from premium stainless steel, this construction ensures robust and reliable protection, even in rigorous industrial conditions.
Encased with a durable stainless steel sheath, achieving a watt density up to 50 W/cm² and supporting operating temperatures soaring to 800°C.
More Photos of Our Cartridge Heaters:
Factors - How to Choose the Right Cartridge Heaters:
Consider these essential factors to expertly select the ideal cartridge heater for your application:
1. Required operating temperature
2. Watt density of the heating element
3. Sheath material (suitable for corrosive or non-corrosive environments)
-
- Temperature of the corrodent
-
- Degree of aeration of the exposed corrodent
-
- Velocity of the corrodent
Dimensional Data:
(This table indicates the minimum and maximum sheath lengths for available 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 |
(Lists recommended maximum sheath length; however, extended lengths may be offered.)
Termination Options:
1. Swaged-in Flexible Leads:
Recommend swaged-in flexible leads with silicone-fiberglass insulation for applications requiring lead bending at the heater exit point.
A standard length of 250mm is provided unless a different length is specified
(10 in.)
leads are supplied.
Heaters measuring 150mm
(6 in.)
or shorter typically include a 6mm
(1/4 in.)
no-heat section. For heaters up to 250mm
(10 in.)
a 25mm
(1 in.)
no-heat section is required. Heaters longer than 250mm may necessitate more than a 25mm no-heat section. Please specify when orderingswaged-in flexible leads.
2. Right Angle Leads:
Right angle leads are ideal for applications involving substantial flexing and where space constraints are crucial. Lead wires exit at a 90° angle through the heater sheath.
A right-angle tube may be required for specific constructions. Please specify when orderingright angle leads and desired 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
Introducing our exceptionally robust stainless steel braid, designed with meticulous craftsmanship to protect leads from abrasion and damage caused by sharp edges. This ensures unmatched durability and reliability for your applications.
We cater to diverse lead exit configurations with expertly tailored solutions: for straight lead exits, the braid is seamlessly swaged into the no-heat section of the heater. For right-angle exits, a sturdy crimp connector affixes the braids for flawless integration.
Our standard leads are precisely measured at 250 mm
(10 in.)
in length, while the braid length is a meticulously crafted 200 mm
(8 in.).
To customize your order, kindly specify your preferredstraight or right-angle stainless steel braid, lead length, and the 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 high-quality stainless steel hose offers outstanding protection against abrasive environments and sharp edges, while also ensuring ease of handling and streamlined wiring within challenging settings.
For lead exits at right angles, the hose is skillfully silver soldered to the sheath. By default, our standard leads measure 250 mm(10 in.),while the hose itself is precisely 200 mm(8 in.)in length. Customize your order by specifying the 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 protection that rivals stainless steel hose, expertly guarding against abrasion.
This conduit is securely attached with a 90° elbow copper coupler, overlapping the heater sheath for maximum stability. By default, we provide a standard 200 mm(8 in.)conduit, and the leads extend 50 mm beyond the conduit. For customization, please specify your preferred 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 exceptional ceramic bead insulation offers unbeatable protection for leads in high-temperature environments exceeding 450°C(840°F).The ceramic beads are adeptly fitted over solid conductors and extend to cooler areas, allowing flexible wire connections. For your order, please specify your ceramic beads and length, along with any extra lead length requirements.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges provide a convenient and effective method for mounting and positioning heaters within various applications. Tailored to customer requirements, these flanges can be strategically placed in any no-heat section of the heater sheath. To specify your order, indicate your flange, flange size, and location. .
Immersion Cartridge Heaters for Liquid Applications:
For effective immersion heating in liquid applications, we recommend choosing brass or stainless steel threaded bushings.
The threaded bushing sizes are expertly matched to pipe diameters, with specifications including
G thread, NPT thread, and BSPP thread , among others.
Step-by-Step Guide to Installing Cartridge Heaters:
1. Create a precise hole in the section to be heated.
2. Ream a smooth hole for optimal contact to ensure superior heat transfer and efficiency.
3. Extend the hole through the section to allow for effortless removal of the unit when necessary.
4. If a through hole is not feasible, increase the hole size within acceptable tolerances for improved performance.
5. Minimize vibration and flexing of the lead wires to significantly extend the service life of the heater.
6. Prevent liquid contamination by ensuring the heater's end is adequately protected.
When ordering Cartridge Heaters, please provide the following essential details :
1. Type of Cartridge Heater (please refer to our comprehensive Termination Options)
2. Diameter of Cartridge Heater for a perfect fit
3. Overall length of the straight Cartridge Heaters to meet your specific needs
4. Wattage and Voltage specifications for optimal performance
5. Type of Lead (glass fibre / PTFE) and desired lead length for your application.
FAQ
(1). Q: Can you offer a discount?
A: Discounts depend on quantity-larger orders benefit from greater savings.
(2). Q: How can I obtain a sample?
A: For most products, we offer free samples for small quantities, with the customer covering shipping, or provide your DHL, FEDEX, EMS, or UPS account for convenience. A sample fee applies for larger quantities.
(3). Q: Why is your price higher than other Chinese suppliers?
A: We are committed to producing high-quality, high-performance products, fostering long-lasting and amicable relationships with all our customers.
Our prices reflect the highest cost-performance ratio, ensuring value.
(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, ensuring consistent quality in mass production.
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