application

Used in conjunction with two thermocouples (resistors) and bimetallic thermometers to protect their normal operation; And it can be used in high-pressure and high flow rate situations.

characteristic

·All designs are based on IEC international standards;

·Blind hole processing factory, resistant to high pressure;

·Manufacturing and installation simultaneously with the equipment;

·Different pressure levels can meet different needs.

Working principle

·Nominal pressure

Generally refers to the ability of the protective tube to withstand static external pressure without breaking at room temperature. The allowable working pressure is not only related to the material, diameter, and wall thickness of the protective tube, but also to its structural form, installation method, insertion depth, and the flow rate and type of the measured medium.

·Hydrostatic test

When it comes to the requirements for pressure resistance and leakage inspection of protective tubes, tests must be conducted on the protective tubes. The test pressure is 1.5 times the nominal pressure of the protective tube.

·X-ray flaw detection test

When there are requirements for checking the wall thickness, eccentricity, and other items of the protective tube, they must be checked according to the user's requirements.

Material and selection of protective tube