API 7K Rotary Drilling Hose - Essential Flexible Hose for Hydraulic Drilling

• 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
• Standard: API Spec. 7K
• Product Name2: Flexible Pipe
• Chemical Characteristic: Chemical Hose
• Accesories: Hydraulic Fitting
• Reinforcement: 2-6 Layers of High-Strength Ultra-Flexible Steel
• 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
• 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 our API 7K Certified Rotary Drilling and Vibrator Hydraulic Hose. This high-pressure flexible hose stands as a robust solution for applications demanding up to 5000 Psi. Perfect for rotary drilling operations, it efficiently handles mud in vibrator applications, adhering strictly to the esteemed API Spec 7K standards.

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 our finest API 7K Certified Rotary Drilling and Vibrator Hose. This high-pressure flexible hose is engineered to deliver excellence at 5000 Psi, seamlessly serving in rotary hose applications and managing mud in vibrator hose lines, all within the rigorous requirements of API Spec 7K.

Inner layer material options: Choose from high-performance hydrogenated nitrile rubber, nitrile rubber, or durable nylon.

Operational temperature range: Reliable functionality from -29ºC up to +121ºC.

Survival temperature: Endures extreme conditions up to 177ºC for a continuous 1-hour operation.

Flexibility level: Available from FSLO to the adaptable FSL3.

Hose characteristics: Exceptional resistance to wear, corrosion, and compatibility with oil-based/water-based mud, methane, and hydrogen sulfide.

Connection form: Versatile options including flange, union, or thread connections.

Optional accessories: Enhance your setup with safety pipe clamps, hose lifting devices, or resilient stainless steel armor.
 

 

Our Advantages

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Company Profile

Hebei Qinglin Rubber & Plastic Product Co., Ltd We are a cutting-edge manufacturer based in Jing County, Hengshui City, Hebei Province, China. Spanning over 30,000 square meters, with an 18,000 square meter production workshop, our facility employs 198 dedicated professionals, including 96 college graduates and 8 senior engineers. Specializing in diverse flexible hoses and hydraulic accessories, our offerings include hydraulic hoses, air hoses, steam hoses, chemical hoses, wear-resistant mud & cement hoses, composite hoses, drilling hoses, flexible choke & kill lines, BOP control hoses, high-pressure cleaning hoses, stainless steel metal hoses, compensators, unions, quick couplings, drilling rig accessories, well-control accessories, mud system components, rubber sheets, rubber waterstops, waterproof rubbers, joints, seals, and custom rubber product processing. Our products are indispensable across oil fields, chemical plants, coal mines, industries, aerospace, shipbuilding, metallurgy, mining, construction, electric power, water power, medicine, food, and more.

With over two decades of mastering high-strength hose production, we tailor our hoses using optimal inner materials, reinforcing structures, and outer sheath designs tailored to various operating environments and conveyance needs. Equipped with a comprehensive suite of cutting-edge production and inspection tools, our operations meet international standards, holding certifications like ISO9001, ISO14001, OHSAS18001, API SPEC 16C, and API SPEC 7K.

Proudly supplying industry leaders such as CNPC, CNOOC, CRCC, ANTONOIL, SCHLUMBERGER, WEATHERFORD, and DYNAPAC, we are recognized for our integrity and reliability in contracts, consistently earning praise for our product quality and exceptional 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.