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API 7K——Rotary Drilling And Vibrator Hose

application:flexible connection between the upper end of the standpipe and the top drive/swivel and between the pump and the lower end of the standpipe for pumping mud at high

Tube:NR&SBRsythentic rubber/HNBR/UPE

Reinforcement:2-6 layers of high tensile super flexible spiral steel wire or steel cable

Cover:abrasion and weather resistant synthetic rubber

Temperature Range:-20℃~+82℃(-4℉~+179.6℉) -55℃~+150℃(-67℉~+302℉)

Standard:API Spec. 7K FSL 1 FSL 2 | ABS

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Main Product Display

Letone Technology always adheres to the core values of "honesty, customer first", mainly produces hydraulic hoses, material conveying hoses, oil drilling hoses, chemical conveying hoses, ultra-high pressure water jet cleaning hoses, fluid connection hoses Technology research and development and manufacturing of components, etc., to contribute to global intelligent manufacturing

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LT SA6992-Super Artery EXCEEDS ISO18752-AC/BC/CC

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LT407T-247PSI PTFE chemical delivery composite hose

Application:suitable for conveying strong acids, strong bases and other corrosive...

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Application:suitable for conveying highly corrosive chemicals, widely used in ext...

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Application:Large-diameter hose for steel slag transportation in steel plant, ult...

LT301-API 7K——Super Abrasion Resistant Acid & Hydraulic Fracturing

Application:flexible line using for delivery water-based, oil-based, acid-based a...

LT301-API 7K High Pressure Cementing Hose

Application:flexible connection in the cementing manifold for delivery water-base...

LT302-API 16C Flexible Choke And Kill Hose

Application:flexible connection in the chock and kill manifolds for delivery oil-...

LT799 4SHH-Ultra high pressure cleaning hose W.P:20300PSI

Scope of application:water jet industry is especially suitable for water guns...

LT799 4SH-Ultra high pressure resin hose W.P:31900PSI

Scope of application:water jet industry, especially suitable for water guns...

LT799 4S-Ultra high pressure resin hose W.P:20300PSI

Application range:water jet application, especially suitable for jet gun...

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Letone hydraulic 23 years focus on rubber hose and fluid fittings

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Main company news

Letone Mission: Let Litong help global intelligent manufacturing; Vision: Become the leader of the global fluid technology industry. Values: Integrity-based; Necessary ability to succeed: Users first.

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High-Wear-Resistant Rubber Hose DN25 (16MPa): Letone LT1202H for Industrial Fluid Transmission

  • 2026-06-11 15:06:02

In modern industrial fluid transmission systems, rubber hoses play a critical role as core components for material conveying and equipment connection. Their wear resistance, pressure tolerance, and corrosion resistance directly impact production line stab

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PTFE Chemical Hose | 1/2" | 16 Bar | Concentrated Sulfuric Acid Resistant

  • 2026-06-09 17:50:29

1/2 inch, 16 Bar, concentrated sulfuric acid resistant — this PTFE chemical hose isn't just transferring fluid. It's delivering peace of mind to your chemical plant.

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Which manufacturer makes the best API 16D BOP hose?

  • 2026-06-16 16:05:28

In the extreme conditions of oil drilling, there is a hose that must withstand 705°C flames for 5 minutes without leaking—this is the BOP well control hose, the "lifeline" of the blowout preventer remote control system. Choosing the right manufacturer i

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20-meter single 3-inch oil drilling hose with oil filler

  • 2026-06-15 16:02:04
  • 3 inch oil drilling hose

A 3-inch (DN80, inner diameter approximately 97~110mm) oil drilling hose, equipped with union (oil union) connectors at both ends, and 20 meters in length—its core mission is singular: under high pressure, pump mud from the well to the drill bit and then