Ductile Iron standard rigid coupling

Nominal size(mm/in):

25/1  32/1¼ 40/1½ 50/2 65/2½ 65/2½ 80/3 100/4 100/4 125/5 125/5 125/5 150/6 150/6 150/6 200/8 250/10 300/12

Pipe O.D(mm/in):

33.7/1.327 42.4/1.669 48.3/1.9 60.3/2.375 73.0/2.875 76.1/3 88.9/3.5 108/4.25 114.3/4.5  133/5.25  139.7/5.5 141.3/5.563 159/6.25 165.1/6.5 168.3/6.625 219.1/8.625 273/10.75  323.9/12.750

Working Pressure PSI/MPa: 300/2.07

Dimension  (mm/in)

A:56/2.20 64/2.52 70/2.76 84/3.30 97/3.81 98/3.86 111/4.37 133/5.24 139/5.47 159/6.26 167/6.57 166/6.54 189/7.44 193/7.60 194/7.64 252/9.92 313/12.32  372/14.64

B:98/3.85 104/4.09 110/4.33 125/4.92 137/5.39 139/5.47 155/6.10 186/7.32 190/7.48 215/8.46 223/8.78 224/8.82 242/9.53 246/9.69 252/9.92 322/12.68  396/15.59  456/17.95

C:45/1.77  49/1.93  50/1.96 60/2.36 62/2.44 63/2.48