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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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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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What is the price of the AP7K rotary hose?

  • 2026-06-13 11:23:25
  • AP7K rotary hose

In the turbulent waters of oil drilling, a single hose is a lifeline. Letone's 4"×60' GRADE D swivel hose (5000 PSI WP) with a 4" FIG 1502 MXF integral union is the king of choices, born for extreme working conditions.

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300 bar Hydraulic System Upgrade: 1" EN853 2SN Braided Hose – Impact Resistant & Long Life

  • 2026-06-06 16:49:26
  • 1" EN853 2SN Braided Hos

Running 300 bar on 1SN single-wire hose? That's a paper shield against bullets — upgrade to DIN EN853 2SN double-wire braided hose NOW.