Cut Groove Specifications for Large Diameter IPS Pipe

Nominal Pipe Size (Column 1):

Nominal pipe size, IPS pipe to ANSI B36.10 and ISO 4200.

Pipe O.D. (Column 2):

Maximum allowable tolerances from square of ends is 0.060”.

Gasket Seating Surface (Column 3):

The gasket seating surface shall be free from deep scores, marks, or ridges that could 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” diameters are average values.  The groove must be of uniform depth around the entire pipe circumference.

Groove Depth (Column 6):

The “d” is for reference use only.  The groove dimension 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.