May I ask all the experts what is the purpose of opening a hole with a diameter of two millimeters in the head baffle of the U-tube heat exchanger?

2009-04-11View Original

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May I ask all the experts what is the purpose of opening a hole with a diameter of two millimeters in the head baffle of the U-tube heat exchanger?

Reply #22009-04-12

Are you talking about the partition in the pipe box? If so, the small hole is called a tear hole. We usually take 6mm, which is mainly used for drainage and exhaust.

Reply #32009-04-12

It is a drain hole, see GB151 No. 5.2.3.3 b).

Reply #42009-04-12

The tear hole has been discussed several times before, here is a post http://bbs.hcbbs.com/viewthread.php?tid=357634&highlight=%C0%E1%BF%D7

Reply #52009-04-12

Mainly plays the role of draining and exhausting

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