Rotary Drilling Hose

Meets or exceeds the requirements of API SPEC 7K.

Rotary Drilling Hose

Tube:

Oil, abrasion, acid & alkali resistant synthetic rubber.

Reinforcement:

2-8 layers of high tensile steel wire spiral.

Cover:

Abrasion,oil and weather resistant synthetic rubber.

Connections:

LP and TBG of API SPEC 5B; Flange or clip of API SPEC 6A; Integral union or welded hammer union. Another type can be customized upon requirement. And Accessories such as safety chains,clamps,lifting eye and collar clamp are available.

Temperature range:

-20℃ to +121℃

Standard:

API SPEC 7K.

Item Nominal Diameter Inside

Diameter

Outside

Diameter

Working

Pressure

Burst

Pressure

Bend

Radius

Weight
  mm inch mm mm psi psi mm Kg/m
Grade A 51 2 51 73.3 1500 3000 900 4.1
  64 2-1/2 64 87.2 1500 3000 1200 5.2
Grade B 51 2 51 74.2 2000 4000 900 4.4
  64 2-1/2 64 87.6 2000 4000 1200 5.5
  76 3 76 103.5 2000 4000 1200 8.9
Grade C 51 2 51 79.0 4000 8000 900 7.0
  64 2-1/2 64 99.5 4000 8000 1200 12.9
  76 3 76 115.7 4000 8000 1200 15.9
  89 3-1/2 89 133.0 4000 8000 1400 21.2
  102 4 102 148.6 4000 8000 1400 25.2
  127 5 127 179.0 4000 8000 1500 37.9
  152 6 152 209.8 4000 8000 1800 50.7
Grade D 51 2 51 85.5 5000 10000 900 10.6
  64 2-1/2 64 103.7 5000 10000 1200 14.2
  76 3 76 120.0 5000 10000 1200 18.3
  89 3-1/2 89 135.6 5000 10000 1400 22.4
  102 4 102 148.6 5000 10000 1400 25.2
  127 5 127 184.8 5000 10000 1500 43.0
  152 6 152 209.8 5000 10000 1800 50.7
Grade E 51 2 51 87.8 7500 15000 900 12.0
  64 2-1/2 64 115.0 7500 15000 1200 22.3
  76 3 76 131.8 7500 15000 1200 28.6
  89 3-1/2 89 146.8 7500 15000 1400 32.9
  102 4 102 158.8 7500 15000 1400 35.8

1. A Trusted Partner
We built our entire company on honesty, and integrity. Our entire business is dedicated to customers. By doing this, it allows us to provide the best service and products for every customer who works with us.

2. Strictly Q&C System
We have developed a strict QC (quality-control) system. The system is in place all the way from the raw material to the final steps of the process. Guaranteeing the perfection of the product for every customer.

3. One-stop Solution
We provide OEM improvement and a one stop solution for hose and fittings. Allowing you to focus all of your attention through one source. It’s as easy as that!

4. Quick Response After Service
We provide a 24/7 online service for any issues that may come up. Giving you the comfort knowing that we’re here to help. Simply call or email us, and we’ll be here to help!

1. Can I test out a free sample?
All of our samples are free to provide for your testing.
2.How do you ensure the quality?
We have a team of engineers that are solely dedicated to the perfection of our products. Following the QC guidelines all the way to the end of the process.
3. What do I do if I find an issue with the quality of the product?
Absolutely no worries at all. There is a 12 month quality guarantee for all of our products. We also offer a full replacement for any defective issues that are caused by non-human reasons.
4. How long does it take for me to receive my order?
The estimated production time depends on what you order. The general time frame for a 1×20 feet container is 20-30days, and 30-40 days for a 1×40 feet container.
5. How will my order be packed?
All hoses are packed by PVC film. Making it nicely put together. As noted, the color can be picked by you. A special packaging of reel and pallet is also available.
The fitting for the package is packed by the wooden box.
6. Is it possible to visit your factory?
Of course! We encourage all of our customers to visit us. Come visit us at your own convenient time.

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