API casing thread gauging
API casing thread gauging
(OP)
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....
6" api 6a back pressure valve threads HBPV
Atlas Bradford gauges and the like.
thanks much....





RE: API casing thread gauging
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.