Joint Deflection

 

Washout - Amherst, Nova Scotia, 1999.

The pipe stayed in operation despite over deflection of the joints.

 

PUSH-ON JOINT


Pipe
Size
Y
Deg.
Deflection
X
Approx. Radius
of Curve
in mm deg in mm ft m
4 100 19 483 206 63
6 150 19 483 206 63
8 200 19 483 206 63
10 250 19 483 206 63
12 300 19 483 206 63
14 350 19 483 206 63
16 400 19 483 206 63
18 450 19 483 206 63
20 500 19 483 206 63
24 600 19 483 206 63
30 750 19 483 206 63
36 900 11 280 260 79

 

Demonstration of the superior flexibilty of Ductile Iron Pipe.

 

MECHANICAL JOINT


Pipe
Size
Y
Deg.
Deflection
X
Approx. Radius
of Curve
in mm deg in mm ft m
4 100 7° 7 30 760 145 44
6 150 7° 7' 30 760 145 44
8 200 5° 21' 20 510 195 59
10 250 5° 21' 20 510 195 59
12 300 5° 21' 20 510 195 59
14 350 3° 35' 13.5 340 285 87
16 400 3° 35' 13.5 340 285 87
18 450 11 280 340 104
20 500 11 280 340 104
24 600 3° 23' 9 230 450 137