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API 7K Vibration Oil Field Kelly Hose Mud Pump Rotary Drilling Hose
Drilling hose/ Rotary Hose / kelly hose, made according to API 7K standard, applies for flexible hose connection between the top of oil drilling, well cementing, work-over and down hole servicing operation. Drilling hose is also used to adjust the installation mistake between drilling pipe line and stand pipe to avoid shake. To transmit high pressure oil or water based mud.
High pressure rubber mud hose, vibrator hose and drilling hose
consist of 4 layers. The framework is made of steel wire rope with
high strength.The inner seal layers adopts synthetic rubber which
is weather,oil and heat resisting.
The material of external protective layer for rubber mud, vibrator
and drilling hoses is also made of synthetic rubber which
effectively resists aging,oil and abrasion.
Besides, additional layer for fireproofing can be added according
to customer request.
| Temperature range | -4°F to +200°F (-20°C to +93°C) continuous service. |
| Product structure | the steel wire winding drilling hose consists of the inner rubber layer, the inner glue protection layer, the medium glue layer, the wire winding reinforced layer and the outer rubber layer. |
| Inner tube | with nitrile rubber as the main body, oil resistant, wear-resistant, acid and alkali resistance. |
| Tube reinforced layer | a single high strength steel wire, 2~8 layers of steel wire winding structure, steel wire through the film bonding solid whole. |
| Outer Tube | chloroprene rubber as the main body, oil resistant, wear-resistant, weathering resistance. |
| Joint type | besides using API Spec 5B pipe pipe and tubing thread, it can also be provided by nonan and flange connection, and also can be made according to user's requirements. |
| Execution standards | API Spec 7K, SY 5469, ISO 6807, Q/LMH001 |
| With Union or not | both are OK, hose and union also can be shipped separately. |
Specifications:
| Hose ID | Hose O.D. | Working Pressure | Min. Burst Pressure | Min. Bend Radius | |||||
| (In.) | (mm) | (In.) | (mm) | (psi) | (MPa) | (psi) | (MPa) | (In.) | (mm) |
| 2 1/2 | 63.5 | 5.16 | 131.1 | 7500 | 52.5 | 18750 | 130 | 48 | 1219 |
| 3 | 76.2 | 5.66 | 143.8 | 7500 | 52.5 | 18750 | 130 | 48 | 1219 |
| 3 1/2 | 88.9 | 6.04 | 153.4 | 7500 | 52.5 | 18750 | 130 | 54 | 1372 |
| 4 | 101.6 | 6.48 | 164.6 | 7500 | 52.5 | 18750 | 130 | 60 | 1524 |
After finishing the hose production, we will pack the hose.
In general, the packing will use woven bag and plastic film.
Special packing is available according to customers' requirements.
Steel wire spiral drilling rubber hose are used in oil fields,well cementing,well repairing,geological explorations,small drilling machine,and water conveyance at coal excavations.It is used to carry slurry,water at environmental temperature,and other fluids.
