High Temperature Cartridge Heater with Ceramic Bead Insulation
Our cartridge heater is crafted with precision, featuring a durable cylindrical stainless steel tube designed to offer remarkable resistance to corrosion. Within this robust exterior lies a precisely wound heating wire, intricately coiled around a top-grade ceramic core. This core forms the centerpiece of our high-efficiency heater, ensuring superior performance.
Tailored for power specifications, our coil count optimizes heat distribution and extends the lifespan of the heater. This advanced design reduces oxidation of the heating wire, even under high temperatures. Whether applied to heat solids, liquids, or gases, our cartridge heaters demonstrate exceptional heat transfer through conduction when in direct contact with the heat sink. Perfectly suited for the automotive sector in the manufacturing of plastic and rubber parts, these heaters are indispensable in the food processing, chemical, electronics, medical equipment, packaging, and nuclear industries.
In addition to our extensive standard offerings, we excel in the custom development and manufacturing of cartridge heaters, meticulously designed to meet your distinctive requirements.
Cartridge heaters are constructed with a crimped-on or swaged-in design, featuring a high-quality nickel-chromium resistance wire to ensure outstanding performance.
This resistance wire is expertly wound around an exceptional-quality MgO core, which is perfectly centered within a stainless steel casing, guaranteeing optimal functionality.
Cartridge heaters are engineered for versatile heating applications, including the heating of metal parts and liquids when equipped with threaded bushings. Able to achieve metal temperatures as high as 760°C, these heaters deliver peak performance when paired with the appropriate material, watt density, and fit choices.
Performance capabilities:
1. Reach part temperatures up to 1400°F (760°C) with an alloy 800 sheath
2. Achieve watt densities up to 40W/cm²
3. Support maximum operating voltage up to 480VAC, with a minimum voltage starting from 5VAC
4. Feature minimum diameters as small as 3mm
5. Allow for maximum diameters up to 35mm
Benefits:
1. Facilitate easy and cost-effective installation
2. Constructed using premium-grade materials
3. Boost heat transfer efficiency
4. Ensure effortless maintenance
5. Provide uniform temperature distribution
6. Resistant to oxidation and corrosion
7. Offer exceptional durability
8. Certified by TÜV Rheinland (CE certification) for quality assurance
Technical Details:
1. Tube diameter: Φ3mm-Φ30mm
2. Tube Material: Options include SS304, SS316, SS321, NICOLOY800, among others.
3. Insulation Material: High-purity MgO for superior insulation
4. Resistance wire element: Utilizes Ni-Cr or FeCr for reliability
5. Lead Connection Options: Available in Crimped or Swaged leads for flexibility
6. Type and Lead Connection: Experience precision with our 10" Fiberglass Standard connection.Wire Options: Choose from our robust selection, including Silicone and High Temperature Fiberglass, designed to handle extreme conditions..
Specification of Cartridge Heaters: Discover the precision-engineered attributes of our heaters that redefine industrial standards.
| 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: Unmatched performance and reliability in every application.
Common cartridge heaters are expertly categorized for optimized performance based on density:
1. High Power Density: Delivering superior heat area surface power ranging from 10 to 25 W/cm², designed for peak efficiency.
Suitable for working temperatures up to 450°C, ensuring reliability under high heat conditions.
2. Middle to Low Power Density: Efficiently crafted to provide heat area surface power from 5 to 11 W/cm².
Ideal for temperatures up to 300°C, ensuring dependable performance in moderate conditions.
Voltage: 12~250V (tailored to meet your specific requirements)
High Density Construction:
Our premium stainless steel construction offers unparalleled durability, even in the harshest industrial environments.
Featuring a protective stainless steel sheath, reaching watt densities up to 50 W/cm² and operating safely at temperatures up to 800°C.
Explore More: Delve into our gallery for a visual showcase of our high-performance cartridge heaters.
Considerations for Selecting the Ideal Cartridge Heaters:
Take into account these key factors when choosing the perfect cartridge heater:
1. Operating temperature, tailored to your unique application needs.
2. Watt density of the heating element, ensuring optimal heating performance.
3. Sheath material selection, whether dealing with corrosive or non-corrosive environments.
-
- Assess the temperature of the corrodent to ensure compatibility.
-
- Evaluate the degree of aeration of the exposed corrodent.
-
- Consider the velocity of the corrodent for precise heater application.
Dimensional Data:
(Review this table to find 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 |
(While it indicates recommended maximum sheath lengths, longer lengths can be accommodated.)
Versatile Termination Options:
1. Swaged-in Flexible Leads:
Ideal for applications where leads need bending at the heater, these leads are insulated with silicone-fiberglass for durability.
Standard lead length is 250mm
(10 in.)
unless specified otherwise. Custom lengths available upon request.
For heaters 150mm
(6 in.)
or shorter, enjoy a 6mm
(1/4 in.)
no-heat section. Heaters up to 250mm
(10 in.)
need a 25mm
(1 in.)
no-heat section. Heaters over 250mm may require a larger no-heat section. Specify when ordering.Request swaged-in flexible leads for optimal flexibility.
2. Right Angle Leads:
Perfect for high-flex environments or space constraints, right angle leads exit at a 90° angle for seamless integration.
A right-angle tube may be essential for certain designs. Specify when ordering.Request right angle leads and specify desired lead length for a perfect fit.
| 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 precisely tailored solutions: When leads exit straight out, the braid is swaged into the no-heat section of the heater for a seamless fit. For right-angle exits, a crimp connector firmly secures the braids, providing flawless integration.
Unless otherwise specified, our standard leads measure 250 mm
(10 in.)
in length. The braid is 200 mm
(8 in.)
long. To personalize 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 offers superior protection against abrasion from sharp edges or abrasive equipment, while ensuring ease of handling and streamlined wiring in challenging 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 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 offers protection equivalent to stainless steel hose against abrasion, ensuring optimal safety for your equipment.
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 exceeding 450°C(840°F).The ceramic beads 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, along with any additional lead length requirements.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges provide both a convenient mounting method and an effective means to position heaters within applications. Flange styles and specifications are tailored to customer requirements, allowing them to 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 utilizing 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.
Step-by-Step Guide to Installing Cartridge Heaters:
1. Begin by crafting an accurately measured hole in the section designated for heating.
2. Skillfully ream the hole to achieve a smooth surface, guaranteeing optimal contact and superior heat transfer.
3. Extend the hole completely through the section to enable effortless removal of the unit when necessary.
4. If creating a through hole is not possible, carefully increase the hole's size within allowable tolerances.
5. Reduce vibration and bending of the lead wires to significantly prolong the service life of the heater.
6. Guard the heater's end to effectively prevent any liquid contamination, securing its longevity.
When ordering Cartridge Heaters, kindly provide the following essential details :
1. Specify the Type of Cartridge Heater (refer to Termination Options for guidance).
2. Exact Diameter of the Cartridge Heater.
3. Overall length of the straight Cartridge Heaters.
4. Required Wattage and Voltage specifications.
5. Type of Lead (choose between glass fibre / PTFE) and specify the lead length.
FAQ
(1). Q: Can you offer a discount?
A: Discount availability is contingent on the order quantity. Larger quantities allow for greater discounts.
(2). Q: How can I obtain a sample?
A: We offer complimentary samples for most products if the order quantity is small; shipping costs are the customer's responsibility. Alternatively, provide your DHL, FEDEX, EMS, or UPS account number for shipping. A sample fee may apply for larger quantities.
(3). Q: Why is your price higher than other Chinese suppliers?
A: Our commitment is to producing high-caliber, high-performance products, fostering long-term and mutually beneficial relationships with our customers.
While our prices may not be the lowest, our products provide exceptional value, ensuring the highest cost performance.
(4). Q: How do you ensure the quality of mass production matches the sample sent to me?
A: To guarantee quality consistency, our warehouse team retains an identical sample, marked with your company name, before the original is dispatched to you.
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