热电偶套管为缩径尖头带法兰固定型，使用300等级的法兰。

The thermowell is a reduced tip flanged fixed type for use with class 300 flanges.

youdao

除了无固定装置产品外，铠装热电偶固定装置有：固定卡套式、可动卡套式、固定法兰式、可动法兰式四种结构形式。

In addition to products without a fixed installations, armored thermocouple fixtures are: fixed card sets, card sets of movable and fixed flange, four movable flange structure.

youdao