Rotary Drilling Hose with High Tensile Steel Wire Reinforcement and 35-75 Mpa Working Pressure for Abrasion Resistant Performance
The Drilling Rotary Hose is a high-pressure flexible fluid transmission component developed for demanding drilling systems requiring continuous circulation of drilling fluids under dynamic operating conditions. The hose incorporates an advanced elastomeric inner tube, multiple layers of steel wire reinforcement, and a durable weather-resistant outer cover engineered to withstand complex mechanical loads and hydraulic stress.
Through precision reinforcement winding technology and controlled vulcanization processes, the hose achieves a balanced combination of flexibility, pressure containment capability, and structural durability. Designed to function as a critical connection within rotary drilling systems, the hose enables efficient transfer of drilling mud, water-based fluids, and other process media while accommodating equipment movement and vibration.
The reinforced construction minimizes deformation under pressure cycling, reduces operational stress on connected equipment, and supports long-term service performance. Its robust design contributes to improved drilling continuity, reduced maintenance frequency, and enhanced operational reliability in challenging industrial environments.
A large-scale mineral exploration contractor operating in Western Australia required a fluid transfer solution capable of supporting continuous drilling activities across multiple remote extraction sites. The drilling program involved extended operating hours under high ambient temperatures, abrasive dust exposure, and demanding pressure conditions.
The contractor selected the Drilling Rotary Hose to improve operational stability across its drilling fleet. Prior to deployment, engineering assessments were conducted to verify compatibility with the existing pumping systems and connection assemblies. The hoses were installed on multiple rotary drilling units and subjected to continuous field operation throughout the exploration campaign.
Following implementation, the contractor reported a significant reduction in hose replacement frequency and maintenance interruptions. The reinforced hose structure maintained stable pressure performance despite prolonged exposure to thermal stress and abrasive operating conditions. Improved reliability contributed to increased drilling productivity, lower maintenance costs, and more efficient project scheduling across remote mining locations.


| Name | Rotary Drilling Hose |
|---|---|
| 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) | 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 |
| 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) | 21.7 | 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 | 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 |
- Enhanced Fatigue Resistance Technology: The hose structure is engineered to withstand repeated pressure cycling and mechanical movement through the integration of optimized reinforcement geometry and high-strength bonding systems.
- Thermally Stable Elastomer Construction: The inner and outer rubber compounds are formulated to maintain mechanical properties under elevated operating temperatures.
- Optimized Fluid Flow Characteristics: The precision-manufactured inner tube provides a smooth flow path that minimizes turbulence and pressure loss during fluid transfer.
- Reliable Connection Integrity: The hose construction is designed to maintain dimensional stability around coupling interfaces, reducing stress concentrations and improving sealing performance.
- Mining Exploration Drilling Operations: Supports fluid circulation systems used in mineral exploration projects where equipment mobility, continuous operation, and environmental exposure require dependable pressure-transfer performance.
- Industrial Resource Development Projects: Suitable for drilling programs associated with geological investigation and resource evaluation activities that demand consistent fluid delivery under varying operational conditions.
- Remote Infrastructure Drilling Systems: Can be integrated into drilling operations conducted in isolated environments where equipment reliability and reduced maintenance requirements are critical for project efficiency.
- Comprehensive Manufacturing Expertise: Advanced production methodologies covering material preparation, reinforcement processing, precision assembly, and controlled vulcanization.
- Advanced Material Engineering Capability: Continuous investment in material development enables optimization of rubber formulations and reinforcement structures for demanding industrial applications.
- Strict Process Control Standards: Production activities governed by documented quality procedures covering raw material inspection, dimensional verification, pressure testing, and final product evaluation.
- International Project Supply Experience: Supports customers involved in mining, energy, marine, and industrial development projects worldwide with efficient project coordination and dependable delivery performance.

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