API 7K Rotary Drilling Hose - Flexible Rubber Hose for Heavy Use

• 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

Introducing the API 7K Premium High Strength Drilling Hose - the ultimate solution for oilfield applications and beyond. Designed to handle sand, mud, oil, water, and mining drilling, this industrial-grade hydraulic rubber hose excels in chemical, acid, base, and diverse environments. Experience unparalleled durability and performance with our top-tier API 7K Hose.

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

Explore our robust range of API 7K Rotary Drilling Hoses, including the highly versatile API 16c Hose series. These high-performance oilfield hoses are engineered for flexibility and strength, perfect for kill and choke applications in challenging drilling environments.

Inner layer material: Meticulously crafted from hydrogenated nitrile rubber, nitrile rubber, or nylon for superior resilience and longevity.

Working temperature: Designed to operate efficiently from -29ºC to +121ºC, ensuring reliability in extreme conditions.

Survival temperature: Capable of withstanding 177ºC for continuous use up to 1 hour, providing exceptional thermal endurance.

Flexibility level: Available in FSLO to FSL3 for adjustable flexibility to suit various operational needs.

Hose characteristics: Expertly engineered to resist wear, corrosion, oil-based or water-based mud, and gases like methane and hydrogen sulfide.

Connection form: Choose from flange, union, or thread connections for seamless integration with existing systems.

Optional accessories: Enhance functionality with options like safety pipe clamps, hose lifting devices, and stainless steel armor for added protection.

Our Advantages

 

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Company Profile

Hebei Qinglin Rubber & Plastic Product Co., Ltd is at the forefront of innovation as a high-tech manufacturer. Nestled in the industrious region of Jing County, Hengshui City, Hebei Province, China, our expansive facility spans 30,000 square meters, including a 18,000 square meter state-of-the-art production workshop. With a dedicated team of 198 skilled employees, 96 holding college degrees and 8 esteemed senior engineers, we specialize in the production of diverse flexible hoses and hydraulic accessories. Our extensive product line includes hydraulic hoses, air hoses, steam hoses, chemical hoses, wear-resistant mud and cement hoses, composite hoses, drilling hoses, flexible choke and kill lines, BOP control hoses, high-pressure cleaning hoses, stainless steel metal hoses, compensators, and a comprehensive range of unions and quick couplings. We also provide drilling rig accessories, well control accessories, mud system accessories, rubber sheets, rubber waterstops, waterproof rubber, and various joints and seals, catering to the customized processing needs of various rubber products. Our products are essential in oil fields, chemical plants, coal mines, aerospace, shipbuilding, metallurgy, mining and dressing, construction, electric power, water power, medicine, food, and other vital industries.

With over two decades of expertise in high-strength hose production, our factory boasts a comprehensive suite of international-standard production and inspection equipment. Tailored to meet diverse operational demands, our high-strength hoses feature customized inner material structures, reinforcing frameworks, and outer sheath designs. Our dedication to excellence is affirmed by certifications such as ISO9001, ISO14001, OHSAS18001, API SPEC 16C, and API SPEC 7K.

Trusted by industry leaders like CNPC, CNOOC, CRCC, ANTON OIL, SCHLUMBERGER, WEATHERFORD, and DYNAPAC, Hebei Qinglin has earned acclaim as a reliable partner, renowned for outstanding product quality and exceptional customer service.

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 box or woven bags.

Q2. What is your terms of payment?
A: T/T ,30% In Advanced, and 70% Before delivery,Or L/C. The pictures 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 within 10 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.