3. Heavy-Duty Rotary Drilling Hose for Reliable and Flexible Operations

• Customization: Available
• Material: Nitrile Rubber
• Capability: Mud Hose
• Model NO.: qinglin
• Color: Black
• Usage1: Flexible Hose
• Product Name: Hydraulic Hose
• Hose Material: Rubber Hose
• Hose Characteristic: High Pressure Hose
• Product Name2: Flexible Pipe
• Chemical Characteristic: Chemical Hose
• Accesories: Hydraulic Fitting
• Standard: API Spec. 7K
• Working Temperature: -20 Degrees Centigrade to +121 Degrees Centigrade
• Outer Layer: Wear-Resistant, Weather-Resistant Synthetic Rubber
• Hose Characteristics: Resistant to Wear, Corrosion, Oil-Based/Water-Base
• Connection Form: Flange/Union/Thread
• Optional Accessories: Safety Pipe Clamp/Hose Lifting Device/Stainless St
• Working Pressure: 15000psi
• Inner Material: Nr&SBR Synthetic Rubber/HNBR/Upe/PTFE
• Transport Package: Pallet or Wooden Box
• Specification: 5~100meters/roll
• Trademark: qinglin
• Origin: China
• HS Code: 40092100
• Production Capacity: 50000000meters/Year
• Package Size: 100.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Embrace the pinnacle of drilling innovation with the state-of-the-art API 7K Rotary Drilling Hose, proudly presented by Hebei Qinglin Rubber and Plastic Products Co., Ltd. This hose is meticulously engineered to excel amidst the extreme demands of the mining and oilfield industries, showcasing a remarkable blend of superior design and unparalleled resilience. Masterfully crafted, our hose effortlessly adapts to high-pressure environments, incorporating vital elements like the API 16c Hose and API 7K Oilfield Hoses to deliver outstanding performance and steadfast reliability. Its construction is both flexible and robust, classifying the API 7K Hose series, including the API 16c Flexible Kill Choke Hose, as an invaluable partner in the most challenging drilling operations. Discover the extraordinary durability and adaptability that guarantee peak performance under pressure, time and time again.

Product Parameters

API grade	Inner diameter  (mm)	Inner diameter (in)	Outer diameter (mm)	Outer diameter (in)	Working pressure (MPa)	Working pressure (psi)	Test pressure (MPa)	Test pressure (psi)	Safety factor	Minimum bending radius (mm)	Weight (kg)
A	50.8	2	64	2.52	10.3	1500	15.5	2250	2.5	900	3.31
	63.5	2.5	77	3.03	10.3	1500	15.5	2250	2.5	900	3.42
B	50.8	2	65	2.56	13.8	2000	20.7	3000	2.5	900	3.7
	63.5	2.5	77	3.03	13.8	2000	20.7	3000	2.5	900	3.73
C	50.8	2	66	2.6	27.6	4000	41.4	6000	2.5	900	4.08
	63.5	2.5	80	3.15	27.6	4000	41.4	6000	2.5	900	5.96
	76.2	3	106	4.17	27.6	4000	41.4	6000	2.5	1200	13.28
	88.9	3.5	113	4.45	27.6	4000	41.4	6000	2.5	1200	16.12
	101.6	4	129	5.08	27.6	4000	41.4	6000	2.5	1400	18.3
	127	5	158	6.22	27.6	4000	41.4	6000	2.5	1500	25.96
D	50.8	2	68	2.68	34.5	5000	51.7	7500	2.5	900	4.9
	63.5	2.5	83	3.27	34.5	5000	51.7	7500	2.5	1200	6.71
	76.2	3	110	4.33	34.5	5000	51.7	7500	2.5	1200	15.5
	88.9	3.5	118	4.65	34.5	5000	51.7	7500	2.5	1400	18.7
	101.6	4	133	5.24	34.5	5000	51.7	7500	2.5	1400	20.2
	127	5	162	6.38	34.5	5000	51.7	7500	2.5	1500	29.75
	152.4	6	188	7.4	34.5	5000	51.7	7500	2.5	1800	35.17
E	63.5	2.5	88	3.46	51.7	7500	77.6	11250	2.5	1200	19.3
	76.2	3	117	4.61	51.7	7500	77.6	11250	2.5	1400	22.57
	88.9	3.5	136	5.35	51.7	7500	77.6	11250	2.5	1400	25.24
	101.6	4	141	5.55	51.7	7500	77.6	11250	2.5	1500	27.23
	127	5	165	6.5	51.7	7500	77.6	11250	2.5	1800	28.7
	152.4	6	199	7.83	51.7	7500	77.6	11250	2.5	1800	29.72
F	50.8	2	72	2.83	69	10000	103.5	15000	2.25	1200	7.25
	63.5	2.5	92	3.62	69	10000	103.5	15000	2.25	1200	10.12
	76.2	3	121	4.76	69	10000	103.5	15000	2.25	1200	27.76
	101.6	4	148	5.83	69	10000	103.5	15000	2.25	1800	34.85
G	50.8	2	112	4.41	103.5	15000	155.3	22500	2.25	1400	27.4
	63.5	2.5	126	4.96	103.5	15000	155.3	22500	2.25	1400	31.6
	76.2	3	169	6.65	103.5	15000	155.3	22500	2.25	1600	54.3

Product Description

Discover the epitome of innovation with the API 7K Rotary Drilling Hose and API 16c Oilfield Hoses, masterfully engineered for outstanding performance in the toughest environments. Celebrated for their superb durability, these hoses are critical for smooth drilling operations, offering unmatched flexibility and robustness. The API 16c Flexible Kill Choke Hose, with its remarkable high-pressure abilities, is unmatched in resisting the most severe conditions encountered in oil drilling scenarios.

Inner layer material options are carefully selected for peak performance, featuring the strong hydrogenated nitrile rubber known for its lasting durability, the adaptable nitrile rubber, and the powerful nylon, each playing a vital role in delivering exceptional strength and flexibility.

Working temperature: Precisely engineered to operate flawlessly from a cool -29ºC to a scorching +121ºC, ensuring consistent reliability and superior performance across a vast array of challenging environments.

Survival temperature: Designed to withstand the most severe conditions, this hose maintains continuous operation at an impressive 177ºC for up to 1 hour, illustrating its superb durability and robust endurance.

Flexibility level: Expertly crafted to meet a wide range of operational demands, the hose's flexibility varies from FSLO to FSL3, offering adaptability to diverse pressure and movement requirements, ensuring peak performance.

Hose characteristics: Ingeniously designed to resist wear and corrosion, this hose provides strong protection against oil-based and water-based muds, methane, and hydrogen sulfide, ensuring long-lasting durability and unparalleled reliability.

Connection form: Delivering exceptional versatility, connection options include flange, union, and thread, facilitating seamless integration into existing systems and guaranteeing secure, leak-proof connections every time.

Optional accessories: Enhance your operations with optional accessories like safety pipe clamps, hose lifting devices, and durable stainless steel armor, boosting performance and ensuring the highest safety standards.

Our Advantages

 

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Company Profile

Hebei Qinglin Rubber & Plastic Product Co., Ltd Nestled in the industrious heart of China, Hebei Qinglin Rubber and Plastic Products Co., Ltd. is a beacon of innovation and quality in Jing County, Hengshui City, Hebei Province. Our state-of-the-art facility, sprawling across an impressive 30,000 square meters, includes a high-tech production workshop of 18,000 square meters. Here, 198 dedicated professionals, including 96 accomplished college graduates and 8 expert senior engineers, passionately drive our success. Specializing in the crafting of a vast array of flexible hoses and hydraulic accessories, our commitment to excellence is unwavering. Our extensive product range encompasses hydraulic hoses, air hoses, steam hoses, chemical hoses, and wear-resistant mud & cement hoses. We excel in producing composite and drilling hoses, flexible choke & kill lines, BOP control hoses, high-pressure cleaning hoses, stainless steel metal hoses, compensators, unions, and quick couplings. Our meticulously engineered, customized rubber products and accessories serve a multitude of industries, including oil fields, chemical plants, coal mines, aerospace, shipbuilding, metallurgy, mining, construction, electric power, water power, medicine, and food processing.

With over two decades of unrivaled experience in crafting high-strength hoses, our factory is equipped with cutting-edge production and inspection technology. We precisely tailor our hoses with optimal inner material structures, robust reinforcing frameworks, and durable outer sheaths to meet varied environmental and media challenges. Our high-pressure hoses and hydraulic accessories adhere to the highest international standards, proudly bearing certifications such as ISO9001 for quality management, ISO14001 for environmental management, OHSAS18001 for occupational health and safety, along with the prestigious API SPEC 16C and API SPEC 7K, attesting to the excellence and reliability of our products.

As a trusted partner to industry giants like CNPC, CNOOC, CRCC, ANTONOIL, SCHLUMBERGER, WEATHERFORD, and DYNAPAC, Hebei Qinglin Rubber and Plastic Products Co., Ltd. has cultivated a legacy of reliability and exceptional quality. Our unwavering commitment to first-rate quality and customer satisfaction has earned us the esteemed designation of a trustworthy contractor. Our premium products and exemplary services consistently receive high praise and commendation from our esteemed clients.

International Exhibition

Certifications

FAQ

Q1. What is your terms of packing?

A: Generally, we pack our goods in plastic bags for inner package.Out package you could choose the carton boxor woven bags.

Q2. What is your terms of payment?
A: T/T ,30% In Advanced, and 70% Before delivery,Or L/C. Thepictures of products detials and packages will be sent before you pay the balance.

Q3. What is your terms of delivery?
A: FOB, CFR, CIF.

Q4. How about your delivery time?
A: Generally, it will take within10 to 30 days as receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.

Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.But the delivery charges will be deducted from the customer's future order.

Q6. Do you test all your goods before delivery?
A: Yes,we have three inspection steps to make sure the products you received in high quality.

Q7: Are you accept the OEM?

A: Yes,we support the OEM or ODM.

Q8:Our port of shipment?
A: Tianjin,China or as your request.