Steel Wire Reinforcement Rotary Drilling Hose Multiple Layers Api Heated Hose
At Hongruntong Marine, we've spent over 30 years perfecting the art of rotary drilling hose manufacturing. Our hoses are engineered to handle the intense demands of the oilfield, offering unmatched durability, safety, and efficiency. Trusted by global oil and gas operators, our products are built to perform under the harshest conditions, ensuring smooth and reliable operations.
| Component | Specification |
|---|---|
| Tube | Modified nitrile, black, specifically engineered for the effective handling of abrasive, corrosive substances, and oil drilling mud. |
| Reinforcement | Composite construction featuring multiple layers of textile fabric and steel cable, with a layer of rubber positioned between the cable layers for enhanced performance. |
| Cover | Black modified nitrile with a specially engineered ultra-abrasion cover, designed to provide exceptional resistance to abrasion, corrosion, cutting, gouging, oil, and weather conditions. |
| Coupling | Swaged couplings, full range of couplings available including hammer union, flanges, hubs, male thread, etc. |
| Certification | API 7K-0376 / ISO14693 |
| Temperature | -40°C to +82°C (-104°F to +180°F) |
| Options | Accessories such as safety clamps and hose lift eyes are available upon request |
| Test | Each hose is tested at 22,500 psi for 15 minutes. Pressure test graph, test certificate and letter of conformance are issued for each hose. |




Our rotary drilling hoses are constructed with cutting-edge materials to meet the rigorous requirements of modern drilling environments:
- Specialized Inner Layer: Designed to resist chemical corrosion, drilling fluids, and abrasives, ensuring optimal flow and longevity.
- Reinforced Strength: Layers of high-tensile steel wire spirals or braids provide superior resistance to internal pressures and external mechanical stress.
- Rugged Outer Cover: Combines weather, UV, and abrasion resistance, making the hose ideal for tough onshore and offshore conditions.
Every Hongruntong Marine rotary drilling hose undergoes a rigorous manufacturing process and quality control checks to ensure compliance with international certifications, including API Spec 7K and ISO 9001. We guarantee:
- Operational Safety: Hoses are tested for extreme pressure and temperature resistance.
- Consistency: Precision-engineered to ensure compatibility with diverse drilling systems.
- Reliability: Designed for long service life, reducing downtime and maintenance costs.
Our rotary drilling hoses are indispensable in various operations:
- Efficiently transporting drilling mud to the drill bit.
- Supporting high-pressure applications such as cementing and hydraulic fracturing.
- Handling critical tasks in offshore rigs and land-based platforms.
- Tailored Solutions: We offer customization options for hose length, pressure rating, and end fittings, ensuring a perfect fit for your operation.
- Proven Expertise: Decades of experience in hose technology and oilfield applications.
- Global Trust: A partner to leading oil and gas companies worldwide.
- Exceptional Value: High-quality products designed to enhance operational efficiency and safety.
| Model | I.D. (inch/mm) | O.D. (mm) | W.P. mpa(psi) | T.P. mpa(psi) | Weight (kg/m) | B.R. (mm) |
|---|---|---|---|---|---|---|
| HMRDH-Grade A | 1 1/2 | 38 | 51 | 11(1500) | 22(3000) | 2.19 | 560 |
| 2 | 51 | 65 | 11(1500) | 22(3000) | 3.03 | 900 | |
| 2 1/2 | 64 | 78 | 11(1500) | 22(3000) | 3.95 | 1200 | |
| HMRDH-Grade B | 1 1/2 | 38 | 52 | 14(2000) | 28(4000) | 2.39 | 560 |
| 2 | 51 | 66 | 14(2000) | 28(4000) | 3.25 | 900 | |
| 2 1/2 | 64 | 79 | 14(2000) | 28(4000) | 4.37 | 1200 | |
| 3 | 76 | 98 | 14(2000) | 28(4000) | 7.76 | 1200 | |
| 3 1/2 | 89 | 113 | 14(2000) | 28(4000) | 9.95 | 1300 | |
| 4 | 102 | 127 | 14(2000) | 28(4000) | 12.43 | 1400 | |
| 5 | 127 | 153 | 14(2000) | 28(4000) | 15.25 | 1500 | |
| 6 | 152 | 178 | 14(2000) | 28(4000) | 18.71 | 1600 | |
| HMRDH-Grade C | 1 1/2 | 38 | 55 | 28(4000) | 56(8000) | 3.65 | 560 |
| 2 | 51 | 69 | 28(4000) | 56(8000) | 5.15 | 900 | |
| 2 1/2 | 64 | 88 | 28(4000) | 56(8000) | 7.86 | 1200 | |
| 3 | 76 | 105 | 28(4000) | 56(8000) | 13.12 | 1200 | |
| 3 1/2 | 89 | 121 | 28(4000) | 56(8000) | 16.79 | 1300 | |
| 4 | 102 | 137 | 28(4000) | 56(8000) | 21.70 | 1400 | |
| 5 | 127 | 164 | 28(4000) | 56(8000) | 28.46 | 1500 | |
| 6 | 152 | 197 | 28(4000) | 56(8000) | 44.64 | 1600 | |
| HMRDH-Grade D | 2 | 51 | 73 | 35(5000) | 70(10000) | 6.46 | 900 |
| 2 1/2 | 64 | 91 | 35(5000) | 70(10000) | 10.75 | 1200 | |
| 3 | 76 | 107 | 35(5000) | 70(10000) | 14.35 | 1200 | |
| 3 1/2 | 89 | 123 | 35(5000) | 70(10000) | 18.77 | 1300 | |
| 4 | 102 | 139 | 35(5000) | 70(10000) | 23.16 | 1400 | |
| 5 | 127 | 171 | 35(5000) | 70(10000) | 38.00 | 1500 | |
| 6 | 152 | 200 | 35(5000) | 70(10000) | 48.43 | 1600 | |
| HMRDH-Grade E | 2 | 51 | 80 | 52(7500) | 104(15000) | 10.37 | 1000 |
| 2 1/2 | 64 | 101 | 52(7500) | 104(15000) | 17.88 | 1200 | |
| 3 | 76 | 120 | 52(7500) | 104(15000) | 24.45 | 1200 | |
| 3 1/2 | 89 | 135 | 52(7500) | 104(15000) | 29.33 | 1300 | |
| 4 | 102 | 148 | 52(7500) | 104(15000) | 34.24 | 1400 | |
| 5 | 127 | 189 | 52(7500) | 104(15000) | 55.39 | 1500 | |
| HMRDH-Grade F | 2 | 51 | 82 | 70(10000) | 105(15000) | 11.81 | 1000 |
| 2 1/2 | 64 | 104 | 70(10000) | 105(15000) | 20.46 | 1300 | |
| 3 | 76 | 129 | 70(10000) | 105(15000) | 32.74 | 1300 | |
| 3 1/2 | 89 | 144 | 70(10000) | 105(15000) | 39.43 | 1400 | |
| 4 | 102 | 158 | 70(10000) | 105(15000) | 45.73 | 1500 | |
| HMRDH-Grade G | 2 | 51 | 92 | 105(15000) | 157(22500) | 17.37 | 1000 |
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