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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

LT SA5993-Super Artery EXCEEDS ISO18752 DC

Product application:suitable for large-scale long-range machinery such as excavat...

LT SA6991-Super Artery EXCEEDS ISO18752-BC/CC

Scope of application:suitable for large construction machinery such as excavators...

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

Product application:suitable for large construction machinery such as excavators ...

LT407T-247PSI PTFE chemical delivery composite hose

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

LT409-Stainless steel narrow corrugated metal hose

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

LT1311-Special wear-resistant hose for super wear-resistant steelmaking

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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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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Shocking! Substandard oil hose can reduce excavator life by 50%

  • 2025-08-22 15:48:49

In the construction industry, excavators are undoubtedly one of the most critical pieces of machinery. Their powerful power and efficient operation allow them to play a leading role in a variety of complex construction environments. However, many people

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Wire Braid vs. Spooled: Which Excavator Hose is Right for Your Equipment?

  • 2025-08-22 15:44:34

Oil hoses are crucial for excavator operation, transporting oil to ensure the proper functioning of all excavator components. Steel wire hoses and spiral-wound hoses are two common types of excavator hoses. Choosing the right hose for your equipment requi

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Hydraulic Fracturing Chemicals and Fluid Technologies

  • 2025-07-01 10:26:06
  • Hydraulic Fracturing Chemicals and Fluid Technologies

The role of common chemical agents in hydraulic fracturing in industry, such as drag reducers, cross-linking agents, and degelling agents, was also explained. Liquid technologies such as water-based, oil-based, and foam fracturing fluids were also explain

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API 7K certified oil drilling hose

  • 2025-07-01 10:23:46
  • a key component for high-pressure mud pumping

API 7K standard certified oil drilling hose adopts a multi-layer composite structure design to ensure reliability in high-pressure and high-wear environments