The basic structure of cartridge heater that is the nickel-chrome resistance wire wound around a magnesium oxide core. Then filled with high temperature insulated magnesium oxide powder. Nickel pins pass through the center of the core making contact with the resistance wire at both ends.
Technical Parameter Reference of Square Flange Single Head Heating Pipe:
1. Tube material: SS304/321/310S/Incoloy 800/840
2. Material of heating wire: Cr20Ni80
3. Terminal: copper
4. Wire: Silicone fiberglass braided tinned copper wire 180 degrees Celsius
Teflon wire 260 degrees Celsius
Mica glass fiber braided pure nickel wire 400 degrees Celsius
5. Heat-resistant temperature of insulating tube: 180℃
6. Maximum operating temperature: 700 degrees Celsius
Heating tube structure is available:
1. Crimped-on lead wiring structure
2. Crimped-on lead wiring + ceramic head structure
3. Swaged-in lead structure
4. Swaged-in + ceramic head structure
Purchase suggestion:
1. Material selection suggestions (Note: This material is recommended, not standard):
Surface load ≤6W/ cm2-SS304;
6W/cm2 <surface load ≤ 12W/cm2-SS321 or SS310S;
12W/cm2＜surface load≤ 20W/cm2——SS310S or Incoloy 800/840
2. The maximum operating temperature is 700℃, which refers to the material SS310S or Incoloy800/840. This temperature is used for 1 year warranty in the embedded dry burning environment, and 3 months in the bare air dry burning environment.
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