Coupling, Valve Parts, Pump Parts manufacturer / supplier in China, offering V-Ictaulic Quick Connect 33.7mm/DN25 1200psi High Pressure S. S Coupling Grooved Flexible Clamp, NSF Certificated 33.7mm/DN25 Medium Pressure 600psi S. S304/316/2205/2507 Coupling Clamp, High Performance 33.7mm/DN25 350psi Low Pressure S. S Coupling Clamp Pipe Connector for Pipe Systems and so on.