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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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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
Product application：suitable for large-scale long-range machinery such as excavat...
Scope of application：suitable for large construction machinery such as excavators...
Product application：suitable for large construction machinery such as excavators ...
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.
SAE R7 (Non-Reinforced): Max flexibility. Ideal for low/med pressure: Fuel vents, coolant overflow, pneumatics, lubrication, vacuum lines. SAE R8 (Reinforced): Braided strength for higher pressure. Perfect for: Fuel feed, power steering/clutch lines, med
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API 7K standard certified oil drilling hose adopts a multi-layer composite structure design to ensure reliability in high-pressure and high-wear environments
