Miniature Split-Expanding Sheath-Cartridge Heater

Description

Miniature Split/Expanding Sheath-Cartridge Heater – Patented HighTemperature Design Provides These Advantages:

When energized, the patented split-sheath expands into contact with surrounding bore for maximum heat transfer, fast response.
When de-energized, the split-sheath contracts for easy, slide-out removal. Sunrods are guaranteed never to sieze in the bore.
Uninterruped hot zone and fully heated tip provides unmatched heat distribution without cold spots. Slender continuous leads simplify wire management. High flexibility allows free motion when heating “floating” components. The result is a miniature cartridge heater offering longer life, uniform temperatures, and easy installation in the smallest devices.

National Plastic Heater is now offering a new swaged-in flexible lead for it’s line of 1/8″ OD miniature cartridge heaters. Called Type SIT, this lead is a slender, flexible Teflon jacketed wire, which features continuous construction with no bulky splices. These lead wires simplify wire management around small devices. They can be bent sharply where they exit the heater without exposing the conductor. Bends require less than 1/16″ of clearance. At just .045″ in diameter, SIT leads require less than half the space of standard fiberglass insulated hookup wire. Because they are silicone-free, they are suitable for use in clean-room environments and in ink-jet printers.

SIT leads are rated for service up to 500 degrees F (260 degrees C). Maximum amperage capacity is 4 amps. Maximum voltage is 240 volts.

Typical Applications Include:

Burn-in test socket heating

Scientific instrumentation

Inkjet printers and print heads

Adhesive dispensing, packaging Explosive & narcotics detection

3D printers

Insertion Heaters for Plastics Extrusion

Medical Equipment and Other Industrial Applications

Questions-Selecting a Cartridge Heater for your Application:

How much wattage is required?
What voltage will be used?
What is the heated length? What is the overall length?
How long are the heater leads or what is the lead length required?
What is the dimentions of the cartridge heater?
What is the ambient temperature the cartridge heater will see?
What is the maximum temperature required from the heater?
How quickly do you want to reach your operating temperature or set point in hour/minutes?
What is the type and weight (in lbs.) of the material you want to heat?
Special Modifications