These lay flat hose fittings ensure efficient, leak-free connections in hydraulic pipelines, designed for durability and high performance in industrial applications. Feature of RK Series Flat Pipeline Couplings Occlusion: Flat face Locking : Screw Optional material: Carbon steel Finishing Zn-Ni Thread: BSP NPT SAE Standard seals: NBR Working temperature: -25 +100 Optional seals: FKM, EPDM or more Working pressure: 420 bar Operation under pressure: Allowed(Both male and female sides) If you want to know more types of flat hose pipe connectors, please visit our website. As one of quick release coupling suppliers, we will do our best to meet all the needs of customers.