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3 Inch Rotary Drilling Hose Oil Resistant High Pressure 35-75 Mpa
| الـ MOQ: | 1 |
| السعر: | $9-$880 |
| العبوة القياسية: | Wooden Pallets, Wooden Box |
| فترة التسليم: | 5-7 Work Days |
| طريقة الدفع: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| القدرة على التوريد: | 2950 Pcs Per Month |
3 inch rotary drilling hose,oil resistant drilling hose,high pressure rotary hose 75 Mpa
,oil resistant drilling hose
,high pressure rotary hose 75 Mpa
3 Inch Rotary Drilling Hose Oil Resistant Anti Kink Extended Service Life Durable Construction
Rotary Drilling Hose Product Introduction
Rotary drilling hose is a high-pressure flexible hose designed to deliver drilling fluid (mud) between the mud pump and the top drive or rotary swivel in oil and gas drilling operations. Built with multiple steel wire layers and a synthetic rubber cover, it resists abrasion, vibration, and high pressure.
It operates reliably in harsh environments with temperature ranges from -40°C to +120°C and pressure ratings up to 7,500 psi. Anti-kinking structure and flame-retardant cover ensure both durability and operational safety.
( Case: An offshore drilling platform in the Gulf of Mexico faced repeated failures in its mud delivery lines due to severe hose wear and pressure surges. After switching to API 7K-certified rotary drilling hoses with four-wire reinforcement, failure incidents dropped to zero over 10 months. The hoses sustained pressure fluctuations and harsh marine conditions, increasing drilling uptime and reducing unplanned maintenance costs by 40%. )
Specifications
| 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. |
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 |
Key Features
Low Maintenance Requirements
Durable construction reduces the need for frequent inspections, lowering operational costs.
Easy Installation and Handling
Lightweight yet tough design simplifies hose handling, rig-up, and rig-down processes.
Custom End Fittings Available
Hose ends can be customized with integral fittings, flanges, or couplings based on site needs.
Proven Field Reliability
Successfully used in both offshore and onshore drilling projects worldwide, demonstrating dependable performance in harsh conditions.
Engineered for the Toughest Applications
Onshore Oil Gas Drilling Rigs
Used to transport high-pressure drilling mud from mud pumps to the kelly or top drive.
Handles abrasive fluids in conventional and directional drilling.
Offshore Drilling Platforms
Marine-grade hoses resist saltwater corrosion and harsh weather.
Critical for deepwater drilling where high burst pressure is required.
Geothermal Well Drilling
Withstands high-temperature fluids (up to 150°C/302°F) in geothermal energy extraction.
What Sets Us Apart
Flexible Production for Small or Large Orders
Whether you need 10 hoses or 10,000, we scale production accordingly without compromising quality.
Environmental and Safety Compliance
Our plant meets international safety and environmental standards including ISO and CE certifications.
Continuous Innovation
We invest in RD to develop lighter, stronger, and more resistant hose structures for evolving industry needs.
Strong Industry Reputation
Trusted by major oil & gas companies and drilling contractors globally for consistent product reliability and service.
FAQ
1. Q: What is a rotary drilling hose used for?
A: It is used to convey drilling fluid (mud) between the mud pump and the top drive or swivel during oil and gas drilling operations.
2. Q: What standards does your rotary hose comply with?
A: Our hoses comply with API 7K standards and are tested for pressure, safety, and performance.
3. Q: What pressure ratings are available?
A: We offer hoses rated from 3,000 psi to 7,500 psi, depending on application requirements.
4. Q: What sizes do you manufacture?
A: Common inner diameters range from 2 inches to 6 inches, with customized lengths available.
