Standard Roll Groove for Large Diameter IPS Pipe
Nominal Pipe Size (Column 1):
Nominal pipe size, IPS pipe to ANSI B36.10 and ISO 4200.
Pipe OD (Column 2):
Maximum allowable tolerances from square cut are 0.060” (1.6mm).
Gasket Seating Surface (Column 3):
The gasket seating surface ‘A’ shall be free from deep scores, marks, or ridges that would prevent a positive seal.
Groove Width (Column 4):
Groove width is to be measured between vertical flanks of the groove side walls.
Groove Diameter (Column 5):
The ‘C’ dimensions are average values. The groove must be of uniform depth around the entire circumference. Use a Shurjoint groove or rule to check the groove
Groove Depth (Column 6):
The ‘d’ is for reference use only. The groove depth shall be determined by the groove diameter ‘C’.
Minimum Wall Thickness (Column 7):
The ‘t’ is the minimum allowable wall thickness that may be roll-grooved.
Flare Diameter (Column 8):
The pipe end that may flare when the groove is rolled shall be within this limit when measured at the extreme end of the pipe.