About Test, Gauge, and Bleed Ports
API pressure control equipment frequently requires a port that connects with the internal bore that will allow the…
About Spacer and Instrument Flanges
Spacer flanges serve to add space (or fill space) between flanges when connected systems have dimensions that may…
About Target Flanges
Target Flange: a special configuration of blind flange used downstream, facing upstream, to cushion and reduce the…
Bell Nipple Flanges
Every conventional land drilling rig uses some form of bell nipple flange connected at the top of the blowout…
Test Rack Tips
Manufacturers, rental tool companies, and operators demonstrate that pressure control equipment will not likely fail in service…
Weld Neck Flange Attachment
Operators often have to make field attachment of weld neck flanges to pipe in order to complete…
About Weld Neck Flanges
API Spec 6A, 6B weld neck flanges, do not have full bores, they have restricted bores that match nominal pipe…
About Double Drilled Flanges
For convenience operators using certain API flanges will request that those flanges have double drilled bolt circles. Double drilled flanges…
Flange Bolt Hole Orientation for Stack or System Assembly
When assembling equipment, operators sometimes find it necessary or advantageous to join flanged equipment of different nominal…
Double Studded Adapters and Spacer Flanges
Except for Crossover Connections, Double Studded Adapters (DSA’s) serve as the shortest method to join flanges of different…