| Customization: | Available |
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| Material: | HNBR/NBR/PA |
| Capability: | Rubber Oil Hose |
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API 16c Flexible Choke and Kill Hose
Product Uses
• Applications: The API 16C Flexible Choke and Kill Hose is an essential lifeline in both surface and subsea throttle and well control systems, playing a pivotal role in the dynamic drilling blowout prevention setup. 1. Whenever conventional circulation via the drill string is interrupted during drilling, this innovative pipeline ensures seamless fluid transportation into the wellbore, maintaining operations efficiently; 2. In events where formation fluid unexpectedly surges into the wellbore, manifesting as a well kick during drilling, this robust hose is vital to applying precise back pressure to combat the influx; 3. Additionally, it is adept at handling the transportation of acidic mediums with ease and safety.
• Implementation standard: Complies with the rigorous API Spec 16C, ensuring top-tier standards of safety and performance.
• Hose structure: Engineered with cutting-edge technology, the hose features a high-tech inner sealing layer crafted from specialized engineering plastics. It boasts a durable inner rubber sealing layer made from synthetic rubber, predominantly hydrogenated nitrile rubber, offering exceptional resistance to hydrogen sulfide, corrosive oils, high temperatures, and gas permeation. The hose is reinforced with a robust high-strength fabric cloth serving as both the inner buffer and outer protective layer. Its pressure-bearing skeleton is constructed with high-strength steel wire rope, while a sophisticated flame retardant insulation layer of glass fiber cloth offers added safety. The outer protective layer is made from synthetic rubber, primarily chloroprene rubber, providing flame retardance, wear resistance, oil resistance, ozone aging resistance, and UV protection, making it perfectly suited for marine environments.
• The hose has successfully passed the stringent performance identification test outlined in API 16C standard clause B12, attesting to its superior quality and reliability.
• The hose is versatile and can be customized with an electric heating feature upon request, catering to specific operational requirements.
• The external protection of the hose can be tailored to customer preferences with options such as stainless steel armor, stainless steel wire, or a polyethylene spiral sheath, offering unrivaled durability and protection.
• Connector Material: Meticulously crafted to adhere to the stringent NACE MR0175 / ISO 15156 standards, ensuring compatibility and corrosion resistance.
• Working temperature: Rated at Class II, withstanding extreme temperatures ranging from -25 to +100 ºC, ensuring dependable performance across diverse conditions.
• Flexibility level: Impressive flexibility level FSL 3, ensuring adaptability and operational efficiency in challenging environments.
• Maximum production length: Capable of reaching up to 70 meters, offering extensive coverage and reliability in various applications.
• Production length tolerance: Precisely engineered with a tolerance of ± 64 mm for hoses up to 6.4 meters, and ± 1% for hoses exceeding 6.4 meters, ensuring meticulous accuracy and consistency.
• The minimum bending radius is meticulously measured based on the center line of each hose, guaranteeing optimal performance and structural integrity.
| Hose I. D. (inch) (mm) |
Hose I. D. (mm) |
Outer Diameter(inch) (mm) |
Outer Diameter(mm) |
Flame Shield |
Amored | WockingPessuE (bar ) |
WockingPessuE (psi) |
Test Pressure (bar) |
Test Pressure (Psi) |
55ifaty Gosficen |
FSL | MBRoperalon (m) |
MBRoperalon (m) |
Weight (Kg/m) |
LengthMax (m) |
| 2 | 51 | 5.98 | 152 | Yes | No | 345 | 5000 | 517 | 7500 | 2.25 | FSL3 | 0.9 | 1 | 40 | 70 |
| 2 | 51 | 6.46 | 164 | Yes | Yes | 345 | 5000 | 517 | 7500 | 2.25 | FSL3 | 0.9 | 1 | 46.8 | 70 |
| 2 | 51 | 6.14 | 156 | Yes | No | 690 | 10000 | 1034 | 15000 | 2.25 | FSL3 | 1.2 | 1.3 | 44.6 | 70 |
| 2 | 51 | 6.61 | 168 | Yes | Yes | 690 | 10000 | 1034 | 15000 | 2.25 | FSL3 | 1.2 | 1.3 | 49.7 | 70 |
| 2 | 51 | 732 | 186 | Yes | No | 1034 | 5000 | 1552 | 22500 | 2.25 | FSL3 | 13 | 1.4 | 74 | 70 |
| 2 | 51 | 7.8 | 198 | Yes | Yes | 1034 | 15000 | 1552 | 22500 | 2.25 | FSL3 | 13 | 1.4 | 82 | 70 |
| 3 | 76 | 7.01 | 178 | Yes | No | 345 | 5000 | 517 | 7500 | 2.25 | FSL3 | 1.1 | 1.2 | 50 | 70 |
| 3 | 76 | 7.44 | 189 | Yes | Yes | 345 | 5000 | 517 | 7500 | 2.25 | FSL3 | 1.1 | 1.2 | 58.5 | 70 |
| 3 | 76 | 7.24 | 184 | Yes | No | 690 | 10000 | 1034 | 15000 | 2.25 | FSL3 | 1.4 | 1.5 | 54.6 | 70 |
| 3 | 76 | 7.68 | 195 | Yes | Yes | 690 | 10000 | 1034 | 15000 | 2.25 | FSL3 | 1.4 | 1.5 | 61.2 | 70 |
| 3 | 76 | 8.46 | 215 | Yes | No | 1034 | 15000 | 1552 | 22500 | 2.25 | FSL3 | 1.6 | 1.7 | 93.3 | 70 |
| 3 | 76 | 8.86 | 225 | Yes | Yes | 1034 | 15000 | 1552 | 22500 | 2.25 | FSL3 | 1.6 | 1.7 | 101 | 70 |
| 4 | 102 | 8.98 | 228 | Yes | No | 345 | 5000 | 517 | 7500 | 2.25 | FSL3 | 15 | 1.6 | 93.5 | 70 |
| 4 | 102 | 9.41 | 239 | Yes | Yes | 345 | 5000 | 517 | 7500 | 2.25 | FSL3 | 15 | 1.6 | 103 | 70 |
| 4 | 102 | 9.13 | 232 | Yes | No | 690 | 10000 | 1034 | 15000 | 2.25 | FSL3 | 1.6 | 1.7 | 97 | 70 |
| 4 | 102 | 9.57 | 243 | Yes | Yes | 690 | 10000 | 1034 | 15000 | 2.25 | FSL3 | 1.6 | 1.7 | 1055 | 70 |
HHebei Qinglin Rubber & Plastic Product Co., Ltd is a leading high-tech manufacturer nestled in the industrial heart of Jing County, Hengshui City, Hebei Province, China. Our sprawling facility covers an impressive 30,000 square meters, with the production workshop alone occupying 18,000 square meters. We pride ourselves on our skilled workforce of 198 employees, including 96 individuals with college degrees and 8 distinguished senior engineers. Our factory specializes in the production of a diverse range of flexible hoses and hydraulic accessories. These include hydraulic hoses, air hoses, steam hoses, chemical hoses, and wear-resistant mud & cement hoses, to name a few. Additionally, our product line features composite hoses, drilling hoses, flexible choke & kill lines, BOP control hoses, high-pressure cleaning hoses, stainless steel metal hoses, compensators, various unions and quick couplings, drilling rig accessories, well-control accessories, and mud system accessories. We also offer an array of rubber sheets, rubber waterstops, waterproof rubber products, joints, and seals, alongside customized processing for varied rubber products. Our extensive range finds applications across numerous industries such as oil fields, chemical plants, coal mines, aerospace, shipbuilding, metallurgy, mining and dressing, construction, electric power, water power, medicine, food, and beyond.
With over two decades of experience, our factory stands as a beacon of excellence in producing high-strength hoses. We meticulously tailor the inner material structure, reinforcing layers, and outer sheath to suit specific operational environments and conveyance mediums. Equipped with state-of-the-art international advanced level production and inspection equipment, we ensure the highest quality standards. Our commitment to excellence is validated by prestigious certifications, including ISO 9001, ISO 14001, OHSAS 18001, API SPEC 16C, and API SPEC 7K.
We are proud to be a trusted supplier for major entities such as CNPC, CNOOC, CRCC, ANTONOIL, SCHLUMBERGER, WEATHERFORD, and DYNAPAC. Esteemed as a reliable and trustworthy unit, our company has garnered accolades for the unparalleled quality of our products and the exceptional service we provide, earning the respect and praise of our valued customers.
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