A Rotary Drilling Hose is an essential component in oilfield drilling operations, primarily used to transfer drilling mud at high pressure. Constructed with premium synthetic rubber and reinforced with multiple steel wire layers, it withstands extreme pressures and challenging environments.
This hose is resistant to oil, heat, and abrasion, ensuring durability and long-term performance. It meets API 7K requirements, guaranteeing safety and reliability for both land and offshore drilling rigs. The Rotary Drilling Hose is available in various pressure ratings and sizes to suit different operational needs, providing a stable and efficient solution for drilling fluid transportation.

| 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 are available, such as 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 22500psi for 15 minutes. Pressure test graph, test certificate and letter of conformance are issued for each hose. |
| 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 |
| HMRDH-Grade A | 2 / 51 | 65 | 11(1500) | 22(3000) | 3.03 | 900 |
| HMRDH-Grade A | 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 |
| HMRDH-Grade B | 2 / 51 | 66 | 14(2000) | 28(4000) | 3.25 | 900 |
| HMRDH-Grade B | 2 1/2 / 64 | 79 | 14(2000) | 28(4000) | 4.37 | 1200 |
| HMRDH-Grade B | 3 / 76 | 98 | 14(2000) | 28(4000) | 7.76 | 1200 |
| HMRDH-Grade B | 3 1/2 / 89 | 113 | 14(2000) | 28(4000) | 9.95 | 1300 |
| HMRDH-Grade B | 4 / 102 | 127 | 14(2000) | 28(4000) | 12.43 | 1400 |
| HMRDH-Grade B | 5 / 127 | 153 | 14(2000) | 28(4000) | 15.25 | 1500 |
| HMRDH-Grade B | 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 |
| HMRDH-Grade C | 2 / 51 | 69 | 28(4000) | 56(8000) | 5.15 | 900 |
| HMRDH-Grade C | 2 1/2 / 64 | 88 | 28(4000) | 56(8000) | 7.86 | 1200 |
| HMRDH-Grade C | 3 / 76 | 105 | 28(4000) | 56(8000) | 13.12 | 1200 |
| HMRDH-Grade C | 3 1/2 / 89 | 121 | 28(4000) | 56(8000) | 16.79 | 1300 |
| HMRDH-Grade C | 4 / 102 | 137 | 28(4000) | 56(8000) | 21.70 | 1400 |
| HMRDH-Grade C | 5 / 127 | 164 | 28(4000) | 56(8000) | 28.46 | 1500 |
| HMRDH-Grade C | 6 / 152 | 197 | 28(4000) | 56(8000) | 44.64 | 1600 |
| HMRDH-Grade D | 2 / 51 | 73 | 25(5000) | 70(10000) | 6.46 | 900 |
| HMRDH-Grade D | 2 1/2 / 64 | 91 | 35(5000) | 70(10000) | 10.75 | 1200 |
| HMRDH-Grade D | 3 / 76 | 107 | 35(5000) | 70(10000) | 14.35 | 1200 |
| HMRDH-Grade D | 3 1/2 / 89 | 123 | 35(5000) | 70(10000) | 18.77 | 1300 |
| HMRDH-Grade D | 4 / 102 | 139 | 35(5000) | 70(10000) | 23.16 | 1400 |
| HMRDH-Grade D | 5 / 127 | 171 | 35(5000) | 70(10000) | 38.00 | 1500 |
| HMRDH-Grade D | 6 / 152 | 200 | 35(5000) | 70(10000) | 48.43 | 1600 |
| HMRDH-Grade E | 2 / 51 | 80 | 52(7500) | 104(15000) | 10.37 | 1000 |
| HMRDH-Grade E | 2 1/2 / 64 | 101 | 52(7500) | 104(15000) | 17.88 | 1200 |
| HMRDH-Grade E | 3 / 76 | 120 | 52(7500) | 104(15000) | 24.45 | 1200 |
| HMRDH-Grade E | 3 1/2 / 89 | 135 | 52(7500) | 104(15000) | 29.33 | 1300 |
| HMRDH-Grade E | 4 / 102 | 148 | 52(7500) | 104(15000) | 34.24 | 1400 |
| HMRDH-Grade E | 5 / 127 | 189 | 52(7500) | 104(15000) | 55.39 | 1500 |
| HMRDH-Grade F | 2 / 51 | 82 | 70(10000) | 105(15000) | 11.81 | 1000 |
| HMRDH-Grade F | 2 1/2 / 64 | 104 | 70(10000) | 105(15000) | 20.46 | 1300 |
| HMRDH-Grade F | 3 / 76 | 129 | 70(10000) | 105(15000) | 32.74 | 1300 |
| HMRDH-Grade F | 3 1/2 / 89 | 144 | 70(10000) | 105(15000) | 39.43 | 1400 |
| HMRDH-Grade F | 4 / 102 | 158 | 70(10000) | 105(15000) | 45.73 | 1500 |
| HMRDH-Grade G | 2 / 51 | 92 | 105(15000) | 157(22500) | 17.37 | 1000 |

