Rubber High Pressure Rotary Drilling Hose API 7k Grade A B C D E F

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$477.00 - $5,237.00 / Sets | 1 Set/Sets welcome to contact us for more details (Min. Order)
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Quick Details
Place of Origin:
Hebei, China
Brand Name:
Model Number:
20M , 50M
High strength polyester plus helix wire
Working pressure:
Grade A,B,C,D,E,F
Hammer Unions,API Male thread,Flanges
Safety Clamp & Chain
API Spec 7k
Petroleum Base
Supply Ability
Supply Ability:
250 Set/Sets per Year welcome to visit our factory
Packaging & Delivery
Packaging Details
In general, the packing will use woven bag and plastic film.
Special packing is available according to customers' requirements.
Lead Time :
Shipped in 30 days after payment
Product Description

Rubber High Pressure Rotary Drilling Hose API 7k Grade A B C D E F

kelly hose

5,000psi W.P. – 10,000 psi Test-12,500 psi Minimum Burst


API Spec 7K-ISO 14693-NACE MR0175

Recommended For: 

Flexible connection between standpipe and swivel (Rotary Drilling) or between pump and standpipe (Rotary Vibrator) for pumping mud at extra high pressure in oil drilling and exploration work. Meets the high demands of directional drilling and down linking with negative pressure pulses and elevated temperatures. This hose can also be used as a Motion Compensator hose for stabilization of rotary drilling and pumping equipment against vertical wave action on offshore drill  platforms. The Motion Compensator hose is not recommended for phosphate ester fluids.


HNBR rubber. Black. Resists abrasion, corrosion, oil, and up to 20% H2S.


Multiple layers of textile fabric and steel cable, with one layer middle rubber placed between cable layers.


Modified Nitrile. Black. Specially designed Ultra abrasion cover is resistant to abrasion, corrosion, cutting, gouging, oil and weather.


Swaged couplings. Full range of couplings are available, such as hammer unions, flanges, camlock, male thread, etc.


-4℉ to +200℉ (-20℃ to +93℃) continuous service.

Accessories such as safety clamps, hose lift eyes and stainless steel armor are available upon request.

Each hose is tested at 10000psi for 15 minutes. Pressure test graph, test certificate and letter of conformance are issued for each hose.


Hose IDHose O.D.Working PressureMin. Burst PressureMin. Bend Radius
2 1/263.54.14105.45000351250087.536914
3 1/288.95.25133.45000351250087.5541372

Product show:



Certifications:All Product Meet The Standard Of ISO And The Requirement Of API.

For More Certifications And about ORIENT Please See The Below Link:

Production process


• Germany Lanxess HNBR as raw material.

  20% H2S and 80% oil based mud. 

  Survive the extreme oilfield application requirements and has been no quality complaint for 5 years.

• Stainless steel 316L used as armored jacket

Factory Workshop:

• SEJIN MACHINE from Korea. 

   Suspension difference<70 MM, and the international standard is 120 MM. 

• Mitsubishi electric control braiding machine. 

   High accuracy data collection, real-time braiding angle monitoring and correction


Pressure test

Test:  Each hose is tested at 10000psi for 15 minutes. Pressure test graph, test certificate and letter of conformance are issued for each hose.

Strong quality control team, advanced laboratory.

Before the mass production, test each batch of raw material. 

After the production, test each hose to guarantee a 100% qualification. 

Each hose tested at 2 times of working pressure. 

We do everything possible to supply good quality goods for our customer.



Packing:After finishing the hose production, we will pack the hose. 
In general, the packing will use woven bag and plastic film. 
Special packing is available according to customers' requirements.

Company Information

ORIENTFLEX is a professional manufacturer of rubber and plastic hose in Hebei, China.

Established in 2006, OrientFlex have more than 240 experienced workers, own a strong

R & D team, including 16 experienced engineers.


1).  Advanced production equipment

2).  ISO 14000 / ISO 9000 / Quality certificate

3).  Strict quality inspection, Strong R&D team

4).  Environmental friendly without pollution

5).  10 years manufacturing experience, strong and experienced export team 


ORIENTFLEX has a strong sales and service team of 20 people, with more than five years experience in foreign
 trade, to provide professional services for customer.

ORIENTFLEX has advanced production facilities, including 13 high-speed fiber braid machines,15 high-speed steel 

wire braid machines,2 steel wire spiral production lines.45 PVC hose production lines.We have introduced VP brand

Industrial hose production line from Italy and Maillefer extrusion line from Switzerland.

ORIENTFLEX has strong quality control team,we set up advanced laboratory.Before mass production,we test each 

batch raw material.After production,we test each hose to guarantee 100% qualification.

ORIENTFLEX has three warehouses.


Contact Us


Skype:orientrubber                          Whatsapp:008613930110983

TEL:+86-311-68008301                       Fax: +86-311-68008302


Add: No298 Zhonghua North Street, Shijiazhuang, Hebei, China

More rubber hose products information Please visit:



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