The Rotary Drilling Hose is an essential component in drilling operations, designed to withstand the extreme conditions of oilfield, geothermal, and water well drilling. Engineered for high-pressure fluid transfer, this heavy-duty hose ensures reliability, safety, and efficiency in demanding applications. Its robust construction and advanced design make it a trusted choice for professionals in the drilling industry.
| 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, 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 | 35(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 |
