3mm 27V Electric Resistance Cartridge Heater for 3D Printing Machine
Our high-quality cartridge heater is crafted with a robust cylindrical stainless steel tube, offering unparalleled resistance to corrosion. At its core lies a finely wound heating wire, artfully coiled around a premium ceramic core, making it the heart of this high-performance heating solution.
The coil count is precisely calibrated to the heater's power demands, ensuring flawless heat distribution and extending the heater's longevity. This sophisticated design significantly reduces oxidation of the heating wire, even at high temperatures. Whether you are heating solids, liquids, or gases, our cartridge heaters excel by swiftly transferring heat through conduction, provided they have direct contact with the heat sink. Perfect for manufacturing plastic and rubber aids in the automotive sector, these heaters also play a crucial role in food processing, chemical, electronics, medical devices, packaging, and nuclear industries.
Beyond our extensive standard offerings, we excel in custom-developing and producing cartridge heaters designed to meet your specific needs.
Cartridge heaters feature either a crimped-on or swaged-in construction, utilizing a high-grade nickel-chromium resistance wire for extraordinary performance.
This wire is expertly wound around a top-quality MgO core, perfectly centered within a durable stainless steel casing.
Cartridge heaters are engineered for a variety of heating applications, including heating metal parts and liquids, especially when equipped with threaded bushings. They are capable of achieving metal temperatures up to a scorching 760°C, delivering unmatched performance with the appropriate selection of materials, watt density, and fit.
Performance capabilities:
1. Part temperatures soaring up to 1400°F (760°C) with an alloy 800 sheath
2. Watt densities reaching up to 40W/cm²
3. Operating voltages up to 480VAC, with a minimum as low as 5VAC
4. Diameter options starting as small as 3mm
5. Maximum diameter extending to 35mm
Benefits:
1. Simple and cost-effective installation
2. Built with top-notch materials
3. Superior heat transfer efficiency
4. Hassle-free maintenance
5. Consistent temperature distribution
6. Immunity to oxidation and corrosion
7. Outstanding durability
8. Certified by TÜV Rheinland with CE certification
Technical Details:
1. Tube diameter: Φ3mm-Φ30mm
2. Tube Material: Options include SS304; SS316, SS321, NICOLOY800, and more.
3. Insulation Material: Crafted from high-purity MgO
4. Resistance wire element: Made from Ni-Cr or FeCr
5. Lead Connection Options: Crimped or Swaged leads
6. Lead and Type of Connection Leads: 10" Fiberglass StandardWire Options: Silicone High Temperature Fiberglass.
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:
Explore the versatility of cartridge heaters, categorized into two distinct types based on density:
1. High Power Density: Engineered to deliver heat area surface power ranging from 10 to 25 W/cm²
Withstand working temperatures of up to 450°C
2. Middle to Low Power Density: Crafted for heat area surface power between 5 and 11 W/cm²
Functioning at working temperatures of ≤ 300°C
Voltage: Adaptable Voltage Range: 12 to 250V (customizable to meet specific needs)
High Density Construction:
Constructed with premium-quality stainless steel, this heater offers unparalleled durability, ensuring reliable performance in even the most rigorous industrial settings.
Encased in a robust stainless steel sheath, the watt density can soar to an impressive 50 W/cm², supporting operating temperatures up to a remarkable 800°C.
More Photos of Our Cartridge Heaters:
Factors - How to Choose the Right Cartridge Heaters:
Evaluate these critical factors to select the optimal cartridge heater for your application:
1. The desired operating temperature
2. Watt density specifications of the heating element
3. Selection of sheath material (considering corrosive or non-corrosive environments)
-
- Temperature considerations for the corrodent
-
- Level of aeration in the exposed corrodent environment
-
- Corrodent velocity impact and considerations
Dimensional Data:
Detailed table illustrating 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 |
Note the recommended maximum sheath lengths; longer specifications may be accommodated.
Termination Options:
1. Swaged-in Flexible Leads:
For applications requiring flexibility at lead exit points, opt for swaged-in flexible leads with durable silicone-fiberglass insulation.
In absence of specific length requests, the standard provision is 250mm
(10 in.)
leads.
For heaters measuring 150mm
(6 in.)
or shorter, a 6mm
(1/4 in.)
no-heat section is standard. For heaters up to 250mm
(10 in.)
a 25mm
(1 in.)
no-heat section is included. For heaters exceeding 250mm, specify if additional no-heat section is required. To order, mentionswaged-in flexible leads.
2. Right Angle Leads:
Ideal for high-flex applications or constrained spaces, right-angle leads exit at a precise 90° through the heater sheath's side.
If specific construction requires, a right-angle tube may be necessary. 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
Crafted with precision, our robust stainless steel braid is diligently designed to protect leads from abrasion against sharp edges, ensuring enduring durability and unwavering reliability.
For diverse lead exit configurations, we present bespoke solutions: When leads exit directly, the braid is expertly swaged into the no-heat section of the heater. For right-angle exits, a crimp connector securely affixes the braids, providing flawless integration.
Unless otherwise specified, our standard leads measure 250 mm
(10 in.)
in length. The braid measures a sturdy 200 mm
(8 in.)
long. To tailor your order, please specify your preference for 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 delivers outstanding protection against abrasion from sharp edges or abrasive apparatus. It also assures easy handling and streamlined wiring in demanding settings.
For right-angle lead exits, the hose is securely silver soldered to the sheath. Unless specified, standard leads are 250 mm(10 in.) in length, with the hose measuring 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 comparable to stainless steel hose against abrasion.
The conduit is attached with precision using a 90° elbow copper coupler, securely overlapping the heater sheath. Unless otherwise specified, we offer a standard 200 mm(8 in.)conduit, with leads 50 mm longer than the conduit. To order, please 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 provides exceptional protection for leads in high-temperature environments exceeding 450°C(840°F).The ceramic beads fit perfectly over solid conductors and extend to cooler areas where flexible wires can be securely attached. To place your order, please specify ceramic beads and length, and any additional lead length requirements.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges offer both a practical mounting method and an effective means to position heaters within applications. Flange style and specifications are customized to client requirements. These flanges can be positioned in any no-heat section of the heater sheath. To order, please 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 for optimal performance.
The size of the threaded bushing is meticulously matched to the pipe diameter. Available options include
Choose from our versatile options such as G thread, NPT thread, and BSPP thread for seamless integration. Explore a variety of other specifications to meet your precise needs.
Comprehensive Installation Guide for Cartridge Heaters:
1. Begin by creating an accurately-sized hole in the target section for heating.
2. Ream the hole carefully to ensure a smooth surface, promoting optimal heat transfer for enhanced performance.
3. Design the hole to extend through the section, allowing for effortless removal of the heater when required.
4. If a through-hole is impractical, adjust the hole size within permissible limits for efficient operation.
5. Reduce lead wire vibration and flexing to significantly enhance the longevity of your cartridge heater.
6. Ensure the heater's end is protected to prevent any form of liquid contamination, thus maintaining durability.
To order Cartridge Heaters, kindly provide the following crucial specifications :
1. Specify the Type of Cartridge Heater (consult Termination Options for guidance)
2. Provide the Diameter of the Cartridge Heater for precise fitting
3. State the Overall Length of the straight Cartridge Heaters
4. Indicate Wattage and Voltage for optimal performance
5. Specify Lead Type (options: glass fibre / PTFE) and desired lead length for customization.
FAQ
(1). Q: Can you offer a discount?
A: Discounts are quantity-dependent; greater quantities may lead to more significant savings for you.
(2). Q: How can I obtain a sample?
A: We offer complimentary samples for small orders, with shipping fees borne by the customer. Alternatively, provide your courier account details (DHL, FEDEX, EMS, UPS) for direct billing. For larger orders, a sample fee might be necessary.
(3). Q: Why is your price higher than other Chinese suppliers?
A: Our commitment is to deliver exceptional quality and superior performance, fostering enduring partnerships with our clientele.
Our prices, though not the lowest, represent the best in overall value.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: We preserve an identical sample tagged with your company name in our warehouse before dispatching the original, guaranteeing consistent quality throughout production.
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