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. | Diámetro interior mm | Tolerancia mm | Refuerzo Diámetro mm | Diámetro exterior mm | Tolerancia mm | MPa de presión de trabajo | Presión de prueba MPa | MPa de presión de explosión | Radio de curvatura mínimo mm | Peso kg/m | |
| Tamaño | Tolerancia | ||||||||||
| 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 |
