Coupling, Valve Parts, Pump Parts manufacturer / supplier in China, offering 73mm/DN65/2-1/2′′ 1200psi-1500psi/83bar-105bar High Pressure Flexible Coupling Double Bolt Hose Pipe Clamp, Convenient Installation 73mm/2-1/2′′/DN65 1200psi/83bar S. S High Pressure Victauliceuro Grooved Coupling Clamp Pipe Fittings, Leak-Proof 73mm/2-1/2′′/DN65 600psi/42bar Medium Pressure S. S Coupling Pipe Fittings Clamp Coupling and so on.