What's the difference between a cap and a cap

What's the difference between a cap and a cap

The tube cap and the head are very similar in shape, and some colleagues say that the head is like a pan. The difference between the cap and the head is mainly in the size of the inner diameter and the scope of application.

The characteristics of the tube cap and the head are compared:

The pipe cap is just the plug of the pipe. If DN exceeds 300, the head should be used instead. If the pressure is under, the strength should be checked. Tube cap and head shape is similar, stainless steel head is used more, the size of the tube cap is small, can be forged; The head size is larger, generally pressed with steel plate, pipe cap is generally used for the end of the pipe, the head is used for the upper and lower parts of the container equipment (vertical equipment) or the left and right end (horizontal equipment);

The head is the inner diameter, such as 1 meter, refers to the inner diameter tube cap on the transition part is not required (unlike the standard oval), the general manual can only find the diameter and length, and the straight side part is longer.

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