What is a pilot bore?
Is this a MUST to provide when customer orders a blank plate?
What will be the effect of customer boring themselves if not provided with a pilot bore during purchased?
Question No. 1
A pilot hole is drilled in all 10” and larger DVS Bonded Orifice Plates. The purpose of the pilot hole is to insure the following:
a) Concentricity
b) Eliminate the mold from floating during bonding
c) Facility orifice plate centering during set up prior to the boring process
Smaller Non-Bonded BLANK orifice plates do not require pilot holes however the following applies:
a) The Daniel Name & Logo will be XXX out.
b) Daniel does not warrant the plate
c) Daniel will not guarantee the orifice plate to be in compliance with AGA 3 / API 14.3 standard