ISO 15138 standard for flanges
ISO 15138 standard for flanges
(OP)
If i have a circular ducting that is D160mm, I would need to have 4 Dia12 holes.
But, what would the position be? 3, 6, 9, 12 o'clock or 45 degrees angle like 1.30, 4.30, 7.30, 10.30 o'clock position?
Thanks.
But, what would the position be? 3, 6, 9, 12 o'clock or 45 degrees angle like 1.30, 4.30, 7.30, 10.30 o'clock position?
Thanks.
RE: ISO 15138 standard for flanges
In piping we don't use the clockhandsystem.