Back-Up Ring, IPS Convoluted Ductile Iron
AWWA C901 or C906
IPS Pipe Size |
Nominal OD (in) |
Pressure Class (psi) |
Dimension (in) |
Weight (Lbs) |
Bolt |
||
BCD |
T |
Diameter |
Number |
||||
| 1″ | 1.315 | 267 | 3 1/8 | 9/16 | 1 | 1/2 | 4 |
| 1 1/4″ | 1.660 | 267 | 3 1/2 | 5/8 | 2 | 1/2 | 4 |
| 1 1/2″ | 1.900 | 267 | 3 7/8 | 11/16 | 2 | 1/2 | 4 |
| 2″ | 2.375 | 160 | 4 3/4 | 1/2 | 1.5 | 5/8 | 4 |
| 267 | 3/4 | 3 | |||||
| 3″ | 3.500 | 160 | 6 | 1/2 | 2.5 | 5/8 | 4 |
| 267 | 1 | 4 | |||||
| 4″ | 4.500 | 160 | 7 1/2 | 9/16 | 4 | 5/8 | 8 |
| 267 | 1 | 6 | |||||
| 6″ | 6.625 | 160 | 9 1/2 | 5/8 | 5 | 3/4 | 8 |
| 267 | 1 | 7 | |||||
| 8″ | 8.625 | 160 | 11 3/4 | 7/8 | 8 | 3/4 | 8 |
| 267 | 1 1/8 | 11 | |||||
| 10″ | 10.750 | 160 | 14 1/4 | 1 | 12 | 7/8 | 12 |
| 267 | 14 1/4 | 1 3/16 | 16 | 7/8 | 12 | ||
| 12″ | 12.750 | 160 | 17 | 1 1/4 | 20 | 7/8 | 12 |
| 267 | 17 | 1 1/2 | 23 | 7/8 | 12 | ||
| 14″ | 14.000 | 160 | 18 3/4 | 1 3/8 | 30 | 1 | 12 |
| 267 | 18 3/4 | 1 5/8 | 37 | 1 | 12 | ||
| 16″ | 16.000 | 160 | 21 1/4 | 1 11/16 | 40 | 1 | 16 |
| 267 | 21 1/4 | 1 7/8 | 49 | 1 | 16 | ||
| 18″ | 18.000 | 160 | 22 3/4 | 1 11/16 | 45 | 1 1/8 | 16 |
| 200 | 22 3/4 | 1 13/16 | 48 | 1 1/8 | 16 | ||
| 20″ | 20.000 | 160 | 25 | 1 13/16 | 55 | 1 1/8 | 20 |
| 200 | 25 | 2 1/16 | 61 | 1 1/8 | 20 | ||
| 22″ | 22.000 | 160 | 27 1/4 | 2 | 65 | 1 1/4 | 20 |
| 200 | 27 1/4 | 2 1/8 | 72 | 1 1/4 | 20 | ||
*Meets AWWA
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