Single-head heating tube with baffle

The difference between single-head electric heating tubes and ordinary electric heating tubes:
Appearance: wires come out from one end (one end), while ordinary electric heating tubes have wires coming out from both ends.
. Internal structure: The winding method of single-head electric heating tubes is different from that of ordinary electric heating tubes. Especially the single-head electric heating tubes that are now imitated and imported are very different from ordinary electric heating tubes.
. Manufacturing process: The production process of single-head electric heating tubes requires more processes than ordinary electric heating tubes, such as tube shrinkage. This ensures that single-head electric heating tubes have higher power and longer use time than ordinary electric heating tubes.
Performance requirements

Temperature rise time
Under the test voltage, the time for the component to rise from the ambient temperature to the test temperature should not be greater than the
Rated power deviation
In full Under heating conditions, the deviation of the component's rated power should not exceed the following range
For components with a rated power less than or equal to:.
For components with a rated power greater than +~- or, take the larger value of the two.
Leakage current

The cold leakage current and the leakage current after water pressure and sealing tests should not exceed
The hot leakage current at operating temperature should not exceed the calculated value in the formula , but the maximum does not exceed
/ (.)
Thermal leakage current
Heating length
- Operating temperature ℃
When multiple components are connected in series to the power supply, they should be This group of components is tested for leakage current as a whole.
Insulation resistance
During factory inspection, the cold insulation resistance should not be less than
After the sealing test, the insulation resistance after long-term storage or use should not be different from the
hot insulation at operating temperature. The resistance should not be lower than the calculated value in the formula, but the minimum should not be less than
R『/』
R thermal insulation resistance
Heating length
Operating temperature ℃
Dielectric strength
The component should be maintained under the specified test conditions and test voltage without flashover and breakdown phenomena
The ability to withstand power on and off
The component should be able to withstand the specified test Under the specified test conditions and input power, the component should withstand three cyclic overload tests without damage
Resistance Thermal properties
The component should withstand multiple cycle heat resistance tests under the specified test conditions and test voltages without damage