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GJQ(X)-SF-II Full Face Type Double Sphere Rubber Expansion Joint
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Description
GJQ (x) -SF-II type double sphere flexible rubber expansion joint is similar to GJQ (x) -SF-I type joint, only way to connection way is end full sealed type, which belongs to the large flange rubber joints. Inner layer and outer layer can choose rubber material according to the using environment flexiblely. The skeleton layer is usually use polyester cord and composite rubber, reinforced also by polyester cord. The edge of the reinforced ring in GJQ (x) -SF-II double ball rubber joints use steel wire ring. The rubber layer, ply, steel wire ring can adhesive as a whole after curing.
| NO | NAME | MATERIAL |
| 1 | Washer and nuts | Carbon steel or stainless steel |
| 2 | Control plate | Carbon steel or stainless steel |
| 3 | Tie rods | Carbon steel or stainless steel |
| 4 | Rubber bellow | IIR、CR、EPDM、NR、NBR |
| 5 | Flange | Carbon steel or stainless steel |
Technical parameter
|
DN Diameter |
FF Length (mm) |
Axial Movement（mm） | Lateral Movement（mm） | Angular Movement | ||
| mm | inch | Extension | Compression | |||
| 450 | 18″ | 400 | 65 | 70 | 70 | ±12° |
| 500 | 20″ | 400 | 65 | 70 | 70 | ±12° |
| 600 | 24″ | 400 | 70 | 75 | 75 | ±12° |
| 700 | 28″ | 450 | 70 | 75 | 75 | ±12° |
| 800 | 32″ | 450 | 70 | 75 | 75 | ±12° |
| 900 | 36″ | 450 | 70 | 75 | 75 | ±12° |
| 1000 | 40″ | 500 | 75 | 80 | 70 | ±12° |
| 1200 | 48″ | 500 | 75 | 80 | 70 | ±10° |
| 1400 | 56″ | 500 | 75 | 80 | 70 | ±10° |
| 1600 | 64″ | 500 | 75 | 80 | 70 | ±10° |
| 1800 | 72″ | 550 | 80 | 85 | 65 | ±10° |
| 2000 | 80″ | 550 | 80 | 85 | 65 | ±10° |
| 2200 | 80″ | 550 | 80 | 85 | 65 | ±10° |
| 2400 | 96″ | 550 | 80 | 85 | 65 | ±10° |
| 2600 | 104″ | 550 | 80 | 85 | 65 | ±10° |
| 2800 | 112″ | 550 | 80 | 85 | 65 | ±10° |
| 3000 | 120″ | 550 | 80 | 85 | 65 | ±10° |
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