Weld neck flange
Welding Neck Flanges are easy to recognize at the long tapered hub, that goes
gradually over to the wall..
Slip-on fl ange
The connection is done with 2 fi lled welds, as well at the outside as also at the
inside of the fl ange.
Swivel flange
Made to saddle over stub end fi tting for rotation. Excellent choice for a costant
removal and reinstallation in order to inspect the connection.
Hammer union
These unions are compact and popular for low pressure rig piping. They also
meet most requirements in the medium pressure ranges for air, water, oil or gas
service.
