Bell Clamps
Bell clamps ,also called bell joint repair clamp, it is specially designed for repairing leaks in socket joints. With wide range for ductile iron, PVC,AC pipes etc which are connected by socket joint.
Specification
● Wide range, can be used to repair socket joint leaking of many different pipes
● Easy installation
● Long service life
● Stable quality
Drawing
Material
| No. | Parts Name | Material |
|---|---|---|
| 1 | Nut | Gal.carbon steel |
| 2 | Bolts | Gal.carbon steel |
| 3 | Spigot ring | Ductile iron |
| 4 | Gasket | EPDM |
| 5 | Bell ring | Ductile iron |
Dimension
| DN | Range Dmin-max(mm) |
|---|---|
| 50 | 62-68 |
| 65 | 75-84 |
| 80 | 94-100 |
| 100 | 114-120 |
| 150 | 166-173 |
| 200 | 217-224 |
| 250 | 270-276 |
| 300 | 321-328 |
| 350 | 373-380 |
| 400 | 424-431 |
| 500 | 527-534 |
| 600 | 630-638 |
Installation
Step 1
Check the pipe’s outer diameter against the range marked on the Judberd bell clamp (the range is clearly marked on the casting). Make sure the bell clamp you select can accommodate the pipe’s outer diameter. Refer to Judberd’s bell clamp drawing to make sure all the components are there and in good condition.
Pay special attention to the rubber gasket—it must be brand new and in perfect condition. The quality of the gasket directly affects the performance of the entire product.
Step 2
Take all the long bolts apart (as shown in Image 1).
For the short bolts (as shown in Image 2), take them apart based on the situation.
If a short bolt does not get in the way of putting the bell clamp on the pipeline, you can leave it in place.
Step 3
Wrap the rubber strip (as shown in Image 3) around the outer diameter of the spigot pipe (note: it must be the spigot pipe, not the socket pipe).
Check the length. If it’s too long, cut off the extra. Then use adhesive to connect the ends of the rubber strip together.
Step 4
Snap the bell ring (shown in Figure 4) onto the outside of the pipe.
Step 5
After you snap the bell rings onto the outside of the pipe, put the short bolts (shown in Figure 5) through the bolt holes and tighten them one by one at a time.
Please refer to the Judberd installation manual for the recommended torque.
Step 6
Put the long bolts (shown in Figure 6) through the bolt holes one by one and tighten them to the required torque in multiple rounds using a crisscross pattern with even force.
Please refer to the Judberd installation manual for the recommended torque.
Step 7
Pressure test the system at 1.5 times the required working pressure.
If you have any leaks, go back to Steps 5 and 6 to make sure all the bolts are tight, then pressure test it again.
Keep doing this until you can pressure test the system at 1.5 times the required working pressure with no leaks.
