The drilling hoses have found their wide application in the
extraction of minerals such as oil, and gas. With the help of the
drill pipe, a drilling mud is injected into the well at a very high
pressure, most often technical water, hydrogel solution or
clay-based solutions. The drill hose is also used between oil
tankers and drilling wells in the sea. Drilling hoses can be used
on stationary and mobile drilling rigs, for drilling wells in the
sea.
The hose for drilling is also used for damping vibrations of rotary
plants. In this case, it is made of small length and serves as a
compensator.
| PRESSURE LEVEL | I.D. | O.D. | W.P. | P.P. | Min.B.P. | Min.B.R. |
| psi | in. | mm | psi | psi | psi | mm |
| 1500 Grade A | 2 | 68 | 1500 | 2250 | 3750 | 800 |
| 2 1/2 | 84 | 1500 | 2250 | 3750 | 800 |
| 2000 Grade B | 2 | 68 | 2000 | 3000 | 5000 | 800 |
| 2 1/2 | 84 | 2000 | 3000 | 5000 | 800 |
| 3 | 97 | 2000 | 3000 | 5000 | 950 |
| 3 1/2 | 113 | 2000 | 3000 | 5000 | 1000 |
| 4 | 127 | 2000 | 3000 | 5000 | 1000 |
| 5 | 157 | 2000 | 3000 | 5000 | 1200 |
| 6 | 183 | 2000 | 3000 | 5000 | 1300 |
| 4000 Grade C | 2 | 72 | 4000 | 6000 | 10000 | 800 |
| 2 1/2 | 87 | 4000 | 6000 | 10000 | 800 |
| 3 | 102 | 4000 | 6000 | 10000 | 1000 |
| 3 1/2 | 119 | 4000 | 6000 | 10000 | 1200 |
| 4 | 132 | 4000 | 6000 | 10000 | 1200 |
| 5 | 162 | 4000 | 6000 | 10000 | 1400 |
| 6 | 194 | 4000 | 6000 | 10000 | 1500 |
| 5000 D级Grade D | 2 | 75 | 5000 | 7500 | 12500 | 800 |
| 2 1/2 | 90 | 5000 | 7500 | 12500 | 800 |
| 3 | 104 | 5000 | 7500 | 12500 | 1000 |
| 3 1/2 | 121 | 5000 | 7500 | 12500 | 1200 |
| 4 | 134 | 5000 | 7500 | 12500 | 1200 |
| 5 | 167 | 5000 | 7500 | 12500 | 1400 |
| 6 | 196 | 5000 | 7500 | 12500 | 1600 |
| 7500 Grade E | 2 | 77 | 7500 | 11250 | 18750 | 900 |
| 2 1/2 | 94 | 7500 | 11250 | 18750 | 1000 |
| 3 | 110 | 7500 | 11250 | 18750 | 1000 |
| 3 1/2 | 128 | 7500 | 11250 | 18750 | 1200 |
| 4 | 150 | 7500 | 11250 | 18750 | 1400 |
| 5 | 183 | 7500 | 11250 | 18750 | 1600 |
| 6 | 212 | 7500 | 11250 | 18750 | 1600 |
Company Profile
Strong production bases, abundant manufacturing experience and
professional research team help the in-depth development of
industrial hose.Both product types and models can meet all demands
in this industry, guaranteeing the quality and delivery of
equipment.
Letone Growth: Value+Values
As one of leaders of global industrial hose, Letone always seeks
innovation&excellence. Grasping strong production capability,
advanced research strength and excellent service, Letone create the
values to all of customers.
Independent R&D
3% of sales volume is put on R&D every year. Letone has
established its own laboratory, Italian Bimal Impulse Test Stand,
Mooney viscosity, a moving die rheometer, high and low temperature
test box, an ozone test machine, a UV test machine and super high
pressure burst test machine,etc. Letone has set up a R&D center
for high pressure rubber hose cooperatively with Qingdao University
of Science and Technology, with professional team of 36 technicians
including 3 professors/doctoral supervisors, 6 senior engineer and
technicians.Letone has mastered the full set of core technology for
manufacturing hydraulic rubber hose and obtained 9 national
invention patents and 23 utility model patents. It has been the
main enterprise unit for drafting several technical standards of
China rubber hose industry.
International Trade
Letone has a perfect set of international trade system, ranging
from international trade marking to international trade negotiation
and from domestic one-step service to overseas localization
service. Letone's international trade markets have been expended
across Asia, Africa,USA and other developing counties steadily and
have been successfully extended into Europe, America and Australia.
Letone is changing the way business in done.
Technical Service
Letone believes the value of brand, which originates from not only
excellent products and solutions, but also considerate pre-sales &
after-sales technical services.So, we have set up a team with
hundreds of technical engineers to resolve a series of problems
during project consultation, on-site surveys, sample analysis,
program design, installation, commissioning and maintenance
guidance, which can ensure that each link is docking in pace with
customers and timely solve customer needs.
