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Hole on Blind Flange 16.5 for auxilarry connection

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dungun

dungun

Mechanical
Joined
Dec 30, 2005
Messages
39
Location
MY
Hi
Any restriction to tap 1/2" or 3/4" on the blind flange?. What is the require for tapping.
 
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dungun-

Assuming you are referring to a B16.5 flange. In that case you have no restrictions provided that the blind is at least 2" NPS. See B16.5 section 6.8 and Table F6.

jt
 
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