Union Rubber Expansion Joint
Product Description
Twin Sphere Union Rubber Expansion Joint
Specification
Material List
* Other rubber material such as Nitrile, Hypalon, NR etc., also available on request.
Dimensions (mm)
(*) BSP, NPT Union are all available on requests.
Note:
1. All expansion joints are finished with retaining flanges, limit rod units are available on special request.
2. Pressures shows are recommended "operating", test pressure is 1.5 times "operating", burst pressure is 3 times "operating".
3. Vacuum rating is based on neutral installed length without external load. Products shall not be installed "elongated"on vacuum applications.
4. Do not weld near the expansion joints or weld the steel flanges to the piping after the expansion joints are installed. This will either burn or seriously damage the expansion joints
Specification
| Working Pressure (Bar) | 10 | 16 |
| Burst Pressure(Bar) | 30 | 48 |
| Vacuum(mmHg) | 400 | 650 |
Material List
| Item No. | Parts Name | Parts Material |
| 1 | Cover | EPDM |
| 2 | Reinforcing Fabric | Nylon |
| 3 | Tube | EPDM |
| 4 | Union Flange | Steel |
| 5 | Union Nut | Carbon Steel |
| 6 | Union Screw | Carbon Steel |
Dimensions (mm)
| Nominal Diameter |
Neutral Length |
|||||
| Movements | ||||||
| DN | NPS | Ext. | Comp. | Lateral | Angular.(°) | |
| 15 | 1/2 | 200 | 5-6 | 22 | 22 | 45 |
| 20 | 3/4 | 200 | 5-6 | 22 | 22 | 45 |
| 25 | 1 | 200 | 5-6 | 22 | 22 | 45 |
| 32 | 1 1/4 | 200 | 5-6 | 22 | 22 | 45 |
| 40 | 1 1/2 | 200 | 5-6 | 22 | 22 | 45 |
| 50 | 2 | 200 | 5-6 | 22 | 22 | 45 |
| 65 | 2 1/2 | 265 | 8-10 | 24 | 24 | 45 |
| 80 | 3 | 285 | 8-10 | 24 | 24 | 45 |
(*) BSP, NPT Union are all available on requests.
Note:
1. All expansion joints are finished with retaining flanges, limit rod units are available on special request.
2. Pressures shows are recommended "operating", test pressure is 1.5 times "operating", burst pressure is 3 times "operating".
3. Vacuum rating is based on neutral installed length without external load. Products shall not be installed "elongated"on vacuum applications.
4. Do not weld near the expansion joints or weld the steel flanges to the piping after the expansion joints are installed. This will either burn or seriously damage the expansion joints