Oct 23, 2002 #1 ngauge Materials Oct 23, 2002 7 0 0 CA Please advise what specification is used to manufacture the thread gauges go and nogo for the following: 6" api 6a back pressure valve threads HBPV Atlas Bradford gauges and the like. thanks much....
Please advise what specification is used to manufacture the thread gauges go and nogo for the following: 6" api 6a back pressure valve threads HBPV Atlas Bradford gauges and the like. thanks much....
Oct 24, 2002 #2 Hush Mechanical Dec 21, 2001 317 0 0 US These are proprietary threads so the correct answer is: The standard for the H BPV gauge is owned by Cooper Cameron and the standard for the Atlas Bradford gauge is owned by Grant Prideco. Upvote 0 Downvote
These are proprietary threads so the correct answer is: The standard for the H BPV gauge is owned by Cooper Cameron and the standard for the Atlas Bradford gauge is owned by Grant Prideco.