If you’re looking for cartridge heaters, you’ve probably come to the right place. A heating coil is a large section of wire with a resistance to electrical loads. The metal alloy used is nichrome, which is nickel-chromium. The wire is wound around a ceramic core. The number of spirals per inch depends on the watt density. When electricity flows through the coiled nichrome, it heats the material in contact with it.
Most Sheaths Are Made Of Stainless Steel
A cartridge heater is made of many different components, including an outer sheath that protects the elements and the heat source. A sheath is an essential part of a cartridge heater because it is the layer that comes into contact with a liquid or material. It must protect the internal elements and withstand high temperatures. Most sheaths are made of stainless steel. A few other parts of the heating element are called insulators, and some are insulated.
Depending on the application, a cartridge heater’s operating temperature can vary. Generally, they can be set to 1400 degrees Fahrenheit, but high temperatures can reduce the heater’s lifespan. The heater’s watt density can be adjusted through a special electrical terminal, which is typically a high-density plug. The electrical connections should be protected with a metallic sheet to avoid oxidation. A hermetically sealed terminal end can also help prevent moisture from getting on the leads.