The Rotary Drilling Hose is a high-pressure hose used in oil and gas exploration to deliver drilling fluids from the mud pump to the drill string. Designed for extreme working conditions, it features a reinforced structure with multiple layers of high-tensile steel wire and synthetic rubber for excellent flexibility, durability, and resistance to abrasion.
The hose is resistant to oil, heat, and weather, ensuring long service life in harsh environments. It complies with API 7K standards and is suitable for both onshore and offshore drilling operations. With its superior performance and reliability, the Rotary Drilling Hose enhances efficiency and safety in drilling applications.

| 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. |
Suitable for both land based and offshore drilling rigs.
Engineered for long-term use, reducing replacement frequency and maintenance costs.
Effectively absorbs shocks and vibrations, ensuring stable drilling operations.
Available in various sizes, lengths, and pressure ratings to meet specific drilling needs.
Used to transfer high-pressure drilling mud from the mud pump to the drill string in land-based drilling operations.
Essential for offshore drilling rigs, ensuring the safe and efficient circulation of drilling fluids under harsh marine conditions.
Designed to withstand extreme water depths and pressures, maintaining reliable drilling fluid transfer.
Supports hydraulic fracturing (fracking) operations by delivering high-pressure drilling fluids in unconventional oil and gas extraction.
Decades of experience ensure superior product quality and technical excellence.
Sourced from trusted suppliers to guarantee durability, flexibility, and resistance to harsh environments.
State-of-the-art machinery and automated processes ensure precision and consistency.
Comprehensive inspection and testing procedures ensure every hose meets the highest industry standards.
| Model | I.D. (inch) | I.D. (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 |


Designed with high flexibility to accommodate movement on drilling rigs.
Yes, they are built to withstand offshore and subsea drilling conditions.
Yes, they can operate in temperatures ranging from -40°C to +100°C (-40°F to 212°F).
A combination of durable rubber, strong reinforcement, and precise manufacturing.