Customized Electric Cartridge Heater with Stainless Steel Flange
Our cartridge heater is engineered with a robust cylindrical stainless steel tube, guaranteeing unparalleled corrosion resistance. Inside, a precisely wound heating wire is expertly coiled around a premium ceramic core, creating the powerhouse of this high-performance heater.
The coil count is meticulously tailored to match the heater's power specifications, ensuring optimal heat distribution and extending the heater's lifespan. This innovative design also effectively minimizes oxidation of the heating wire, even at elevated temperatures. Ideal for heating solids, liquids, or gases, our cartridge heaters excel in swiftly transferring heat through conduction when in direct contact with the heat sink. Perfect for the automotive industry's plastic and rubber component manufacturing, these heaters also play a vital role in food processing, chemical, electronics, medical equipment, packaging, and nuclear industries.
Beyond our extensive standard range, we excel in custom-developing and manufacturing cartridge heaters tailored to your unique specifications.
Cartridge heaters boast a crimped-on or swaged-in construction, featuring a high-grade nickel-chromium resistance wire for exceptional durability and performance.
This resistance wire is meticulously wound around a superior-quality MgO core, perfectly centered within a stainless steel casing for optimal performance.
Cartridge heaters are designed for a diverse array of heating applications, including metal parts and liquid heating when equipped with threaded bushings. Capable of achieving metal temperatures as high as 760°C, these heaters deliver optimal performance when the right material, watt density, and fit selections are made.
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
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:
Common cartridge heaters can be divided into two types based on density:
1. High Power Density: Heat area surface power 10~25 W/cm²
Working temperature ≤ 450°C
2. Middle to Low Power Density: Heat area surface power 5~11 W/cm²
Working temperature ≤ 300°C
Voltage: 12~250V (or as per requirement)
High Density Construction:
Our heaters are crafted with high-quality stainless steel, ensuring unparalleled durability even in the harshest industrial environments.
Equipped with a robust stainless steel sheath, these heaters boast a remarkable watt density reaching up to 50 W/cm², and can operate at temperatures soaring to 800°C.
More Photos of Our Cartridge Heaters:
Factors - How to Choose the Right Cartridge Heaters:
Consider the following factors to select the optimal cartridge heater:
1. Operating temperature
2. Watt density of the heating element
3. Sheath material (corrosive or non-corrosive)
-
- Temperature of the corrodent
-
- Degree of aeration of exposed corrodent
-
- Velocity of the corrodent
Dimensional Data:
(This table shows 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 |
(Indicates recommended maximum sheath length; however, longer lengths may be available.)
Termination Options:
1. Swaged-in Flexible Leads:
Swaged-in flexible leads with silicone-fiberglass insulation are ideal for applications requiring bending at the exit point from the heater.
Unless a longer length is specified, 250mm
(10 in.)
leads are supplied.
Heaters 150mm
(6 in.)
or shorter generally feature a 6mm
(1/4 in.)
no-heat section. Heaters up to 250mm
(10 in.)
require a 25mm
(1 in.)
no-heat section. Heaters greater than 250mm may require more than a 25mm no-heat section. To order, please specifyswaged-in flexible leads.
2. Right Angle Leads:
Right angle leads are essential for applications with significant flexing and tight space constraints. The lead wires exit at a 90° angle through the side of the heater sheath.
A right-angle tube may be necessary for certain constructions. To order, specifyright angle leads Lead Length Specifications
| 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 unmatched durability and reliability.
For various lead exit configurations, we offer customized 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 secures the braids, ensuring seamless integration.
Unless otherwise specified, our standard leads measure 250 mm
(10 in.)
in length. The braid is 200 mm
(8 in.)
long. To tailor 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 top-quality 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 measure 250 mm(10 in.)in length, and the hose measures 200 mm(8 in.).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.
The conduit is attached with a 90° elbow copper coupler, securely overlapping the heater sheath. Unless otherwise specified, we provide a standard 200 mm(8 in.)conduit, with leads 50 mm longer than the conduit. To place an 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 place an order, specify ceramic beads and length, and any additional lead length requirements.
7. Versatile Stainless Steel Flanges
Our stainless steel flanges offer 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 place an 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 Guide to Installing Cartridge Heaters:
1. Drill a precise hole in the section designated for heating.
2. Ream the hole to ensure a smooth surface, optimizing contact and heat transfer efficiency.
3. Extend the hole through the section to facilitate easy removal when necessary.
4. If creating a through-hole is not feasible, enlarge the hole within acceptable tolerances.
5. Minimize vibration and flexing of the lead wires to prolong the heater's service life.
6. Protect the heater's end to prevent liquid contamination.
Essential Information for Ordering Cartridge Heaters: :
1. Specify the type of Cartridge Heater (refer to Termination Options).
2. Provide the diameter of the Cartridge Heater.
3. Indicate the overall length of the straight Cartridge Heaters.
4. State the required wattage and voltage.
5. Specify the type of lead (glass fibre/PTFE) and the lead length.
Frequently Asked Questions
(1). Q: Can you offer a discount?
A: Discount availability depends on the order quantity. Larger quantities qualify for greater discounts.
(2). Q: How can I obtain a sample?
A: Samples are typically free for small quantities, with the customer covering shipping costs. Alternatively, provide your DHL, FEDEX, EMS, or UPS account number. For larger quantities, a sample fee may be required.
(3). Q: Why are your prices higher than other Chinese suppliers?
A: Our focus is on producing high-quality, high-performance products aimed at fostering long-term, amicable relationships with customers. While our prices may not be the lowest, our products offer superior cost performance.
While our prices may not be the lowest, the cost performance is the highest.
(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 sending the original to you, ensuring consistent production quality.
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