12V Cartridge Heater for 3D Printer Injection Molding/Packaging Machine
Our cartridge heater is engineered with a robust cylindrical stainless steel tube, offering unparalleled corrosion resistance. Inside this durable casing, a precisely wound heating wire elegantly coils around a high-quality ceramic core, forming the heart of this top-tier heater.
The coil is expertly tailored to match the heater's power requirements, ensuring seamless heat distribution and an extended lifespan. This meticulous design significantly reduces oxidation of the heating wire, even under high temperatures. Whether you're heating solids, liquids, or gases, our cartridge heaters guarantee rapid heat transfer through conduction when in direct contact with the heat sink. Perfectly suited for manufacturing plastic and rubber parts in the automotive industry, these heaters are also indispensable in food processing, chemical, electronics, medical equipment, packaging, and nuclear industries.
Beyond our comprehensive standard offerings, we excel in custom-developing and manufacturing cartridge heaters to precisely meet your unique specifications.
Cartridge heaters are crafted with a crimped-on or swaged-in construction, featuring a high-grade nickel-chromium resistance wire to ensure outstanding performance.
This wire is expertly wound around a superior-quality MgO core, which is perfectly centered and encased within a stainless steel housing.
Cartridge heaters are crafted for a wide range of heating applications, such as metal parts and liquid heating when fitted with threaded bushings. These heaters can achieve metal temperatures up to 760°C, delivering peak performance with the right material, watt density, and fit options.
Performance capabilities:
1. Part temperatures achieving up to 1400°F (760°C) with an alloy 800 sheath
2. Watt densities reaching up to 40W/cm²
3. Maximum operating voltage of up to 480VAC, with a minimum voltage as low as 5VAC
4. Minimum diameter as small as 3mm
5. Maximum diameter reaching up to 35mm
Benefits:
1. Simple and cost-effective installation
2. Crafted from premium materials
3. Superior heat transfer efficiency
4. Effortless maintenance
5. Consistent temperature distribution
6. Oxidation and corrosion resistant
7. Remarkable 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: Our premium-grade cartridge heaters come equipped with crimped or swaged leads, ensuring robust electrical connections that stand the test of time.
6. Lead and Type of Connection Leads: Standard 10" Fiberglass for reliable performance in various applications.Wire Options: Choose from Silicone or High-Temperature Fiberglass for enhanced durability and resilience..
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:
Cartridge heaters are categorized by density for tailored performance:
1. High Power Density: Boasting heat area surface power of 10~25 W/cm², ideal for demanding tasks.
Capable of maintaining working temperatures up to 450°C, suitable for high-efficiency operations.
2. Middle to Low Power Density: Offers heat area surface power ranging from 5~11 W/cm².
Designed for working temperatures up to 300°C, perfect for moderate heating needs.
Voltage: Operates at 12~250V, adaptable as per specific requirements for versatile use.
High Density Construction:
Crafted with high-quality stainless steel, these heaters ensure durability and protection even in challenging industrial environments.
Encased in a stainless steel sheath, achieving watt density up to 50 W/cm² and operating temperatures soaring to 800°C.
Discover More Photos of Our Cartridge Heaters:
Factors - How to Choose the Right Cartridge Heaters:
To select the ideal cartridge heater, consider these crucial factors:
1. Operating temperature for optimal performance.
2. Watt density tailored to the heating element's requirements.
3. Sheath material choice based on exposure to corrosive or non-corrosive environments.
-
- Temperature of the corrodent to ensure compatibility.
-
- Degree of aeration of exposed corrodent for accurate selection.
-
- Velocity of the corrodent to maintain efficiency.
Dimensional Data:
(This table provides minimum and maximum sheath lengths for available diameters, ensuring precise fit.)
| |
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, with options for longer lengths available for specific needs.)
Termination Options:
1. Swaged-in Flexible Leads:
Configured with swaged-in flexible leads and silicone-fiberglass insulation, perfect for applications demanding exit point flexibility.
Unless specified otherwise, standard 250mm
(10 in.)
leads are provided for ease of installation.
Heaters measuring 150mm
(6 in.)
or shorter typically include a 6mm
(1/4 in.)
no-heat section. Heaters up to 250mm
(10 in.)
require a 25mm
(1 in.)
no-heat section. For heaters exceeding 250mm, more than a 25mm no-heat section may be required. To customize, specify swaged-in flexible leads for tailored configurations.
2. Right Angle Leads:
Right angle leads are designed for high-flex applications and crucial space-limited installations, with wires exiting at a 90° angle from the sheath.
For specific constructions, a right-angle tube may be necessary. Specify right angle leads for precise 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 premium stainless steel braid is expertly crafted to provide utmost protection for leads, resisting abrasion from sharp edges with unmatched durability and reliability.
For various lead exit configurations, we offer customized solutions: For straight lead exits, the braid is elegantly swaged into the heater's no-heat section. For right-angle exits, a robust crimp connector secures the braids, ensuring flawless integration.
Unless specified, our standard leads measure an ideal 250 mm
(10 in.)
in length. The braid itself measures a precise 200 mm
(8 in.)
long. To tailor your order, kindly specify your preferred choice of straight or right-angle stainless steel braid, lead length, along with no-heat section specifics.
| 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 exceptional protection against abrasive forces from sharp edges or equipment. It ensures easy handling and efficient wiring for intense environments.
For right-angle lead exits, the hose is meticulously silver soldered to the sheath. Unless otherwise noted, the standard leads are a convenient 250 mm(10 in.) long, and the hose measures a neat 200 mm(8 in.)in length. Please specify your order with stainless steel hose, lead length, and no-heat section requirements.
| |
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 outstanding protection, matching the abrasion resistance of stainless steel hose.
The conduit is affixed with a 90° elbow copper coupler, securely overlapping the heater sheath. Unless noted otherwise, we supply a standard 200 mm(8 in.)conduit, with leads extending 50 mm beyond the conduit. To customize, specify your galvanized conduit, lead length, and no-heat section requirements.
| |
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 delivers exceptional lead protection in high-temperature settings exceeding 450°C(840°F).The ceramic beads are designed to fit over solid conductors and extend to cooler areas for secure flexible wire attachment. To personalize your order, specify ceramic beads and length, and any additional lead length requirements you may have.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges offer both a convenient mounting solution and an effective method for positioning heaters in applications. Flange styles and specifications are tailored to meet customer needs. These flanges can be positioned in any no-heat section of the heater sheath. Specify your order with flange, flange size, and location. .
Immersion Cartridge Heaters for Liquid Applications:
For liquid immersion heating applications, we recommend premium brass or stainless steel threaded bushings.
The threaded bushing size matches the pipe diameter precisely. Available specifications include
G thread, NPT thread, and BSPP thread , among various others.
Comprehensive Step-by-Step Guide for Seamless Installation of Cartridge Heaters:
1. Begin by creating a precise hole in the section that requires heating.
2. Make sure to ream a smooth hole to ensure optimal contact, enhancing heat transfer efficiency.
3. Extend the hole through the entire section to allow for easy removal of the unit when needed.
4. If a through hole isn't feasible, adjust the hole size, keeping it within acceptable tolerances.
5. Minimize vibration and flexing of lead wires to extend the service life and durability.
6. Protect the heater's end to prevent any liquid contamination, ensuring longevity and reliability.
Ensure a smooth ordering process for Cartridge Heaters by providing these essential details :
1. Specify the Type of Cartridge Heater (please refer to our Termination Options guide).
2. Indicate the precise Diameter of the Cartridge Heater required.
3. Determine the Overall Length of the straight Cartridge Heaters you need.
4. Provide the exact Wattage and Voltage specifications for your application.
5. Clarify the Type of Lead (glass fibre / PTFE) and specify the desired lead length.
Frequently Asked Questions
(1). Q: Can you offer a discount?
A: Discounts depend on order quantity. Larger quantities equate to more significant discounts.
(2). Q: How can I obtain a sample?
A: For most products, small quantity samples are free, with shipping costs covered by the customer. Alternatively, you can provide your DHL, FEDEX, EMS, or UPS account number for shipping. Larger quantities may incur a sample fee.
(3). Q: Why is your price higher than other Chinese suppliers?
A: We are committed to producing superior quality, high-performance products, fostering long-term, positive customer relationships.
Although our prices aren't the lowest, our products offer the best cost performance.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: To ensure consistent quality, our warehouse team retains an identical sample marked with your company name before dispatch, matching the sample sent to you.
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