Grooved and Shouldered Joints

Pressure ratings for both grooved and shouldered joint pipe are determined by the couplings. For more information on pressure capabilities, please consult the manufacturer’s website at Victaulic.com.

Grooved Joint Pipe

Size
(in.)		 OD T1
Nominal Wall
Thickness 		Coupling
Max. Working
Pressure
(psi)
4 4.8 0.32 350
6 6.9 0.34 350
8 9.05 0.36 350
10 11.1 0.38 350
12 13.2 0.4 350
14 15.3 0.42 250
16 17.4 0.43 250
18 19.5 0.47 250
20 21.6 0.51 150
24 25.8 0.56 150
302 32 0.63 150
362 38.3 0.73 150

1 Minimum nominal wall thickness of centrifugally cast ductile iron pipe furnished with grooved joint. Thicknesses above correspond to special thickness class 53 for 4"-16" diameter, and special thickness classes 54 and 55 for diameters 18" and 20", respectively, and special thickness class 56 for diameters 24"-36".

2 30" and 36" sizes are not included in AWWA C606. For tolerances see AWWA C606.

Shouldered Joint Pipe

Size (in.) T
Minimum
Wall Thickness1		 OD Coupling Max.
Working Pressure (psi)
18 0.31 19.5 175
20 0.33 21.6 175
24 0.33 25.8 175
30 0.34 32 175
36 0.38 38.3 175
42 0.41 44.5 175
48 0.46 50.8 175
54 0.51 57.56 175
60 0.54 61.61 90
60 0.54 61.61 175
642 0.56 65.67 90

1 Minimum pipe barrel wall thickness using minimum pressure class pipe in combination with welded steel end rings.

2 66" couplings are used with 64" pipe.

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