For over three decades, Hongruntong Marine has been a leading name in the manufacturing of rotary drilling hoses, combining innovation, craftsmanship, and advanced technology to create products that meet the rigorous demands of the oil and gas industry.
Our rotary drilling hoses are essential components for oilfield operations, designed to deliver drilling fluids, including mud, cement, and other media, with maximum efficiency and reliability. Built to endure the harshest conditions, these hoses excel in high-pressure, high-temperature environments while maintaining superior flexibility and strength.
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. |
Crafted for Tough Challenges
The secret behind our product’s performance lies in the materials and engineering:
The inner tube, made from specially formulated synthetic rubber, offers excellent resistance to drilling fluids and hydrocarbons.
Multiple layers of high-tensile steel wire reinforcements provide unmatched strength, enabling the hose to handle extreme pressures.
The durable outer cover, engineered to withstand abrasion, sunlight, and weathering, ensures the hose retains its performance in rugged environments.
Versatility and Adaptability
Hongruntong Marine’s rotary drilling hoses are suitable for a wide range of applications:
Delivering drilling mud to rotary and vibrating equipment.
Facilitating cementing and hydraulic fracturing operations.
Supporting offshore rigs and land-based platforms.
Custom solutions are available to match your operational requirements, including varying lengths, pressure ratings, and end fittings.
Commitment to Quality and Safety
We prioritize safety and reliability, conducting comprehensive tests at every stage of production:
Pressure and Burst Testing ensures the hose can perform well beyond its operational limits.
Temperature Resistance Testing validates functionality in extreme hot and cold environments.
Inspection of Fittings guarantees leak-free performance and compatibility with drilling systems.
All our rotary drilling hoses meet global standards, including API Spec 7K, affirming their quality and reliability in demanding applications.
Why Choose Hongruntong Marine?
With over 30 years of experience, we offer more than just a product—we deliver solutions you can trust. Our rotary drilling hoses are a reflection of our dedication to innovation, quality, and meeting the specific needs of our clients. Supported by a global network, we ensure timely delivery, expert consultation, and ongoing support.
Choose Hongruntong Marine for rotary drilling hoses that perform reliably, reduce downtime, and ensure the success of your drilling operations. Contact us today to learn more about how our products can empower your projects.
Model | I.D. | O.D. | W.P. | T.P. | Weight | B.R. | |
inch | mm | mm | mpa(psi) | mpa(psi) | kg/m | 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 | 25(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 | 1OOO |
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 |
FAQ
Q1. How can we guarantee quality?
A1.Always a pre-production sample before mass production.
Always final Inspection before shipment.
Q2. What is your sample policy?
A2.We can supply the sample if we have ready parts in stock, but the customers must pay for the sample and courier costs.
Q3. Can you produce according to the samples?
A3: Yes, we can produce your samples or technical drawings. We can build the molds and fixtures.
Q4. Why should you buy from us not from other suppliers?
A4. For many years, we have been committed to the research and development of rubber and plastic products. Our R&D team has over 30 years of R&D experience. All of our products are produced directly from the factory. We accept OEM and ODM!