CONSTRUCTION : lt is composed of an inner rubber protection lay er , middle rubber layer, steel wire spiraled layer and external rubbercovcr.
APPLICATONS : Steel wire spiraled drill ing rubber hoses arc used in oil fields, well cementing,well repairing, geol ogicalexplorations,small drilling machine,and watcrconveyance at coal excavations, used to carry slurry,water at env ironmental temperature, and other fluids.
| Size Id×Layer NO. | Diâmetro interno mm | Tolerância mm | Diâmetro do Reforço mm | Diâmetro Externo mm | Tolerância mm | Pressão de Trabalho MPa | Pressão de Prova MPa | Pressão de Ruptura MPa | Raio mínimo de curvatura mm | Peso kg/m | |
| Tamanho | Tolerância | ||||||||||
| 51*4SP | 51 | 1.0 | 63 | 1.0 | 69 | 1.5 | 35 | 70 | 140 | 660 | 5.70 |
| 64*4SP | 64 | 1.2 | 77 | 1.0 | 84 | 1.5 | 35 | 70 | 140 | 990 | 5.78 |
| 76*4SP | 76 | 1.4 | 101 | 1.5 | 107 | 2 | 35 | 70 | 140 | 1200 | 16.50 |
| 89*4SP | 89 | 1.4 | 114 | 1.5 | 120 | 2 | 35 | 70 | 140 | 1300 | 19.65 |
| 102*4SP | 102 | 1.5 | 132 | 1.5 | 135 | 2 | 35 | 70 | 140 | 1400 | 20.35 |
| 51*6SP | 51 | 1.0 | 66 | 1.0 | 71.9 | 1.5 | 70 | 140 | 210 | 560 | 6.73 |
| 64*6SP | 64 | 1.2 | 81 | 1.0 | 85 | 1.5 | 70 | 140 | 210 | 1200 | 8.02 |
| 76*6SP | 76 | 1.4 | 109 | 1.5 | 115.5 | 2 | 70 | 140 | 210 | 1300 | 23.0 |
| 89*6SP | 89 | 1.4 | 122 | 1.5 | 128.6 | 2 | 70 | 140 | 210 | 1400 | 28.0 |
| 102*6SP | 102 | 1.5 | 135 | 1.5 | 142.3 | 2 | 70 | 140 | 210 | 1600 | 30.0 |
