I would like to know what the difference is between flange AN and AA
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The customer has sent a inquiry regarding AN 300# STD 20" and AA 300# STD 20". I’m not sure what AN and AA refer to Seeking advice
I’ve never seen it written this way. Does it refer to a flange? Generally, WN stands for butt welding, while SO denotes weld-on-neck flat welding, and so on
I’ve never seen it written this way; is there any additional background information?
I’ve never seen this way of representing it either :o
What are the various ways to represent flanges?
It’s probably a typo or something was missed. I guess the complete version should be ANSI 300# STD 20"
AN 900 WN RF S40 6 A182F11CL2 B AA 300 WN RF 25.40mm 52 A182F11CL2 B Please take a look. . I don’t understand what AN/AA means here
AN 900 WN RF S40 6 A182F11CL2 B AA 300 WN RF 25.40mm 52 A182F11CL2 B Sir, take a look at these that were sent by a customer. Is the diameter also 25.40 MM? Is it for the inner hole?
AN 900 WN RF S40 6 A182F11CL2 B AA 300 WN RF 25.40mm 52 A182F11CL2 B Sir, take a look at these that were sent by a customer. Is the diameter also 25.40 MM? Is it for the inner hole?
25.4mm is 1 inch, not the inner diameter.
I don’t know. Referring to the answer above, I also learned it; it’s very useful knowledge