Introducing the formidable API Spec 7K Hose, the unmatched API 7K Cement Hose, and the esteemed API 7K Mud Hose. These distinguished hoses are meticulously engineered for exceptional performance, especially under high-pressure conditions, ensuring you have the ultimate solution for your industrial needs.(Pressure reducing joint)
Crafted with precision, our API Spec 7K Hose, API 7K Cement Hose, and API 7K Mud Hose meet the pinnacle of industry standards. They are designed to deliver unparalleled efficiency and reliability when subjected to intense pressure, providing peace of mind and productivity.r(Pressure reducing joint)
Application: Expertly designed for flexible connectivity between the upper end of the riser and rotating devices or pumps at the lower riser end during drilling and well repair. This equipment is ideal for high-pressure mud pumping in oil exploration and drilling endeavors.
Inner layer: Manufactured from NBR, Synthetic Rubber, HNBR, Upe, or PTFE, offering exceptional durability to withstand demanding conditions.
Inner diameter type: Purposefully engineered for maximum flow efficiency, guaranteeing optimal performance.
Reinforcement layer: Crafted with 2-6 layers of high-strength, ultra-flexible steel wire or wire rope, providing unmatched strength and durability.
Outer layer: Designed with wear-resistant and weather-resistant synthetic rubber, ensuring longevity and resilience against harsh elements.
Temperature range: Engineered to endure temperatures from -20ºC to +121ºC (-4ºF to +250ºF), making it adaptable to a myriad of challenging conditions.
Implementation standard: Fully compliant with API Spec. 7K FSL 1 FSL 2, and proudly certified by ABS, reflecting our unwavering dedication to quality excellence.
Joint type: Available in integral union or integral flange designs, guaranteeing seamless and robust connectivity for your operations.
| API APILevd | Hose I. D. (inch) | Hose I. D. (mm) | Hose O. D. (inch) | Hose O. D. )(mm) | WorkingPressure (bar) | WorkingPressure (psi) | Test Pressure (bar) | Test Pressure (psi) | Flame Shield | Sarely coefficien | FSL | MBR (mm) | MBR (mm) | Weight (Kg/m lbs/ ft) | LengthMax (m) |
| D | 2 | 51 | 3.58 | 91 | 345 | 5000 | 690 | 10000 | No | 2.5 | FSL2 | 0.8 | 0.9 | 11.24 | 70 |
| D | 2 | 51 | 4.17 | 106 | 345 | 5000 | 690 | 10000 | Yes | 2.5 | FSL2 | 0.8 | 0.9 | 15 | 70 |
| D | 2.5 | 64 | 4.06 | 103 | 345 | 5000 | 690 | 10000 | No | 2.5 | FSL2 | 0.8 | 0.9 | 13 | 70 |
| D | 2.5 | 64 | 4.65 | 118 | 345 | 5000 | 690 | 10000 | Yes | 2.5 | FSL2 | 0.8 | 0.9 | 16 | 70 |
| D | 3 | 76 | 4.72 | 120 | 345 | 5000 | 690 | 10000 | No | 2.5 | FSL2 | 1.1 | 1.2 | 18 | 70 |
| D | 3 | 76 | 5.28 | 134 | 345 | 5000 | 690 | 10000 | Yes | 2.5 | FSL2 | 1.1 | 1.2 | 20 | 70 |
| D | 35 | 89 | 5.28 | 134 | 345 | 5000 | 690 | 10000 | No | 2.5 | FSL2 | 1.2 | 13 | 21 | 70 |
| D | 3.5 | 89 | 5.75 | 146 | 345 | 5000 | 690 | 10000 | Yes | 2.5 | FSL2 | 12 | 13 | 25 | 70 |
| D | 4 | 102 | 6.3 | 160 | 345 | 5000 | 690 | 10000 | No | 2.5 | FSL2 | 1.2 | 1.4 | 35 | 70 |
| D | 4 | 102 | 6.8 | 173 | 345 | 5000 | 690 | 10000 | Yes | 2.5 | FSL2 | 12 | 1.4 | 38 | 70 |
| D | 5 | 127 | 7.52 | 191 | 345 | 5000 | 690 | 10000 | No | 2.5 | FSL2 | 1.4 | 1.5 | 51 | 70 |
| D | 5 | 127 | 8.07 | 205 | 345 | 5000 | 690 | 10000 | Yes | 2.5 | FSL2 | 1.4 | 1.5 | 56 | 70 |
| D | 6 | 152 | 8.82 | 224 | 345 | 5000 | 690 | 10 | No | 2.5 | FSL2 | 1.6 | 1.8 | 57 | 70 |
| E | 2 | 51 | 4.06 | 103 | 517 | 7500 | 1034 | 15000 | No | 2.5 | FSL2 | 1.1 | 1.2 | 19 | 70 |
| E | 2.5 | 64 | 4.88 | 124 | 517 | 7500 | 1034 | 15000 | No | 2.5 | FSL2 | 1.1 | 1.2 | 28 | 70 |
| E | 2.5 | 64 | 535 | 136 | 517 | 7500 | 1034 | 15000 | Yes | 2.5 | FSL2 | 1.1 | 1.2 | 31 | 70 |
| E | 3 | 76 | 5.43 | 138 | 517 | 7500 | 1034 | 15000 | No | 2.5 | FSL2 | 1.2 | 1.3 | 31 | 70 |
| E | 3 | 76 | 5.98 | 152 | 517 | 7500 | 1034 | 15000 | Yes | 2.5 | FSL2 | 1.2 | 13 | 35 | 70 |
| E | 3.5 | 89 | 5.94 | 151 | 517 | 7500 | 1034 | 15000 | No | 2.5 | FSL2 | 13 | 1.4 | 38 | 70 |
| E | 3.5 | 89 | 6.57 | 167 | 517 | 7500 | 1034 | 15000 | Yes | 2.5 | FSL2 | 13 | 1.4 | 42 | 70 |
| E | 4 | 102 | 6.61 | 168 | 517 | 7500 | 1034 | 15000 | No | 2.5 | FSL2 | 1.4 | 1.5 | 44 | 70 |
| E | 4 | 102 | 7.17 | 182 | 517 | 7500 | 1034 | 15000 | Yes | 2.5 | FSL2 | 1.4 | 1.5 | 50 | 70 |
| E | 5 | 127 | 8.03 | 204 | 517 | 7500 | 1034 | 15000 | No | 2.5 | FSL2 | 1.5 | 1.6 | 64 | 70 |
| E | 5 | 127 | 8.58 | 218 | 517 | 7500 | 1034 | 15000 | Yes | 2.5 | FSL2 | 15 | 1.6 | 69 | 70 |
| E | 6 | 152 | 9.76 | 248 | 517 | 7500 | 1034 | 15000 | No | 2.5 | FSL2 | 1.6 | 1.8 | 92 | 70 |
Hebei Qinglin Rubber & Plastic Products Co., Ltd is a luminary of innovation nestled in Jing County, Hengshui City, Hebei Province, China. Our expansive 30,000-square-meter facility, including an 18,000-square-meter workshop, is home to 198 expert employees, featuring 96 college graduates and 8 visionary senior engineers. We excel in crafting a vast portfolio of flexible hoses and hydraulic accessories. From hydraulic, air, steam, and chemical hoses to wear-resistant mud & cement hoses, our offerings include composite hoses, drilling hoses, flexible choke & kill lines, BOP control hoses, and high-pressure cleaning hoses. We also produce stainless steel metal hoses, compensators, and a wide selection of unions and quick couplings. Our specialization extends to drilling rig accessories, well control accessories, mud system components, rubber sheets, and a plethora of joints and seals. Custom processing of various rubber products is our forte, serving sectors like oil fields, chemical plants, coal mines, aerospace, shipbuilding, metallurgy, mining, construction, electricity, water power, medicine, food, and beyond.
With a legacy spanning over two decades, our factory has honed the craft of producing high-durability hoses. We tailor our product's inner material, reinforcement, and external sheath structures to match a variety of operating environments and conveyance media. Armed with state-of-the-art production and inspection facilities, we are proud holders of ISO9001, ISO14001, OHSAS18001, API SPEC 16C, and API SPEC 7K certifications, highlighting our steadfast commitment to superior quality and customer satisfaction.
As a trusted supplier to industry giants like CNPC, CNOOC, CRCC, ANTON OIL, SCHLUMBERGER, WEATHERFORD, and DYNAPAC, we have earned a reputation as a dependable contractor. Our relentless pursuit of excellence in product quality and service continues to earn us accolades from our distinguished clientele.
