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Cartridge Heaters

Name: Cartridge Heaters
Brand: DHE Heaters Private Limited
Price: 2000 INR
Availability: InStock

Price 2000 INR/ Piece

Get a Price/Quote

MOQ : 10 Pieces

Cartridge Heaters Specification

Usage & Applications
Heating for dies, molds, plastic processing, packaging, and laboratory equipment

Type
Cartridge Heater

Material
SS-304, SS-321, SS-310, Incoloy 800

Voltage
12V to 480V

Power
Up to 150 W/inch (depends on diameter)

Power Source
Electric

Input Voltage
12V to 480V

Installation Type
Insert Type

Dimension (L*W*H)
Diameter 5 mm to 35 mm, Length 25 mm to 2500 mm

Weight (kg)
Depends on size

Color
Metallic Silver

Resistance Tolerance
-5%, +3%

Surface Finish
Smooth polished sheath

Conductor Type
Ni Cr 80/20

Length Tolerance
+/-1% or +/-3mm

Leakage Current
< 0.5mA

Insulation Material
High purity MGO core & powder

Unheated Length
10-15 mm (sides)

Sheath Material
High-grade stainless steel

Corrosion Resistant
Yes, Stainless sheath

HV Strength
< 0mA @ 800V

Thermocouple Option
J/K type available

Operating Temperature
Up to 750C

Connection Type
Flexible leads

Diameter Tolerance
-0.02 to -0.05

Cartridge Heaters Trade Information

Minimum Order Quantity
10 Pieces

Payment Terms
Cash in Advance (CID)

Supply Ability
1000 Pieces Per Month

Delivery Time
30 Days

Main Domestic Market
All India

About Cartridge Heaters

Product Description

Cartridge Heaters are high-density tubular heating elements designed for insertion into drilled holes for efficient localized heating applications. They provide high watt density, fast heat transfer, and precise temperature control for industrial and mold heating systems.

Construction Details

Component	Specification
Outer Sheath Material	Stainless Steel (SS 304 / SS 310)
Heating Conductor	Nickel-Chromium (Ni-Cr 80/20) resistance wire
Insulation	High Purity Magnesium Oxide (MgO) core & powder
End Sealing	Swaged / crimped high-pressure sealing
Design Type	Variable watt density construction

Electrical Specifications

Parameter	Specification
Operating Voltage	12 V to 440 V
Surface Load (Watt Density)	Up to 150 W / Sq. Inch
Resistance Tolerance	-10%
Leakage Current	< 0.5 mA
High Voltage Strength	0 mA @ 800 V
Frequency	5060 Hz
Insulation Resistance	> 5 M at 500V DC

Mechanical Dimensions

Parameter	Specification
Diameter	3.2 mm to 32 mm
Length	25 mm to 2500 mm
Diameter Tolerance	-0.02 mm to -0.05 mm
Length Tolerance	-1% or -3 mm (whichever is greater)
Unheated Length (Connection Side)	10 mm to 15 mm
Unheated Length (Bottom Side)	10 mm

Thermal Performance

Parameter	Specification
Maximum Working Temperature	Up to 750C (at sheath)
Heat Transfer Mode	Conduction
Efficiency	90% 95%
Temperature Distribution	Uniform along active length

Lead Wire & Termination Options

Type	Specification
Standard Leads	High temperature fiberglass insulated wires
Optional Leads	PTFE / silicone insulated wires
Exit Type	Straight / right angle / customized
Protection	Swaged sealing with strain relief

Integrated Thermocouple (Optional)

Feature	Specification
Thermocouple Type	J Type / K Type
Position	Center / tip / custom embedded
Availability	Optional (on request)

Mounting & Installation

Parameter	Specification
Installation Type	Press fit into precision drilled hole
Fit Type	Tight interference fit recommended
Contact Surface	High thermal conductivity contact required
Fixing Method	Friction fit / clamp (optional design)

Applications

Plastic injection molding dies
Hot runner systems
Packaging machinery
Medical equipment
Food processing machines
Die & mold heating
Industrial heating systems

Quality Standards

100% electrical testing before dispatch
Hi-pot testing as per specification
Resistance and wattage verification
ISO 9001:2015 manufacturing system compliance
Test certificate available on request

Environmental Conditions

Parameter	Specification
Ambient Temperature	-10C to 80C
Humidity	Up to 90% RH (non-condensing)
Installation	Industrial indoor applications

Packaging & Export Standards

Moisture-proof sealed packaging
Individual protective sleeve packing
Export-grade corrugated box / wooden crate
Labeling with specifications and batch number

Customization Options

High watt density designs
Special diameters and lengths
Integrated thermocouple (J / K type)
Export-grade heavy-duty construction
Customized lead wire exits

Robust Construction for Demanding Applications

Built with high-grade stainless steel and high-purity magnesium oxide insulation, these cartridge heaters withstand harsh environments and high operational stresses. Their corrosion-resistant, smooth polished sheath ensures durability and longevity, making them ideal for intensive industrial use in dies, molds, and packaging machinery.

Versatile and Customizable Heating Solutions

Compatible with input voltages ranging from 12V to 480V and diameters from 5mm to 35mm, our cartridge heaters are highly adaptable. With a wide length range (25mm to 2500mm) and multiple material options including SS-304, SS-321, SS-310, and Incoloy 800, customization meets varied industrial needs.

Precision and Safety at Elevated Temperatures

Engineered for stringent quality standards, these heaters offer minimal leakage current (<0.5mA) and pass 800V high-voltage testing. With precise resistance and dimension tolerances, you can count on stability and efficiency even at elevated operating temperatures up to 750C.

FAQ's of Cartridge Heaters:

Q: How do cartridge heaters ensure safe operation at high temperatures?

A: Cartridge heaters use high-purity magnesium oxide insulation and Ni Cr 80/20 conductors to maintain performance and electrical safety at temperatures up to 750C. Their low leakage current (<0.5mA) and rigorous high-voltage testing at 800V ensure safe and reliable operation in various industrial applications.

Q: What applications are cartridge heaters commonly used for?

A: These heaters are ideal for applications such as heating dies, molds, plastic processing, packaging machinery, and laboratory equipment. Their uniform heat distribution and precise temperature control make them suitable for numerous industrial settings requiring efficient heat transfer.

Q: When should I choose a J or K type thermocouple with my cartridge heater?

A: Choose a J or K type thermocouple option if your application requires accurate temperature monitoring and control. Both types integrate well with standard controllers and offer reliable measurements, ensuring your heating process operates within desired parameters.

Q: Where can these cartridge heaters be installed?

A: These cartridge heaters are designed for seamless insertion into drilled holes of metal blocks or tooling. Their insert-type installation suits environments such as plastic injection molds, dies, and heating elements within laboratory equipment.

Q: What is the process for selecting the correct cartridge heater size and material?

A: To select the appropriate cartridge heater, consider the required diameter (5mm-35mm), length (25mm-2500mm), operating temperature, and the type of environment or materials involved. Stainless steel and Incoloy 800 options provide corrosion and heat resistance, matching your application's demands.

Q: How does a polished sheath benefit cartridge heater performance?

A: A smooth, polished sheath improves thermal conductivity and facilitates better insertion, reducing friction and wear. It also enhances resistance to corrosion and contaminants, thereby extending the heater's lifespan in industrial settings.

Q: What are the main benefits of using high-grade stainless steel and Incoloy sheaths?

A: High-grade stainless steel and Incoloy sheaths offer excellent corrosion resistance, high mechanical strength, and prolonged durability. This ensures the cartridge heater performs reliably under tough, high-temperature conditions commonly found in industrial environments.

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