Guided by scientific and technological innovation, PASSIONHOSE always keeps outward-oriented and sticks to the positive development on the basis of technological innovation. hydraulic quick release coupling We will do our best to serve customers throughout the whole process from product design, R&D, to delivery. Welcome to contact us for further information about our new product hydraulic quick release coupling or our company.hydraulic quick release coupling It has a wide range of uses and can be applied to tunnels, culverts, diversion aqueducts, dams, liquid storage structures, underground facilities and other places.