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A2 Closed-Type Thread Locked Hydraulic Quick Connect Coupling Sets
A3 Close-type Ball-locking Mechanism Hydraulic Quick Coupling
B1 Closed Double Shut-off Hydraulic Quick Couplings
B2 Copper External Thread Medium Pressure High Performance Gas-liquid Quick Connector
KZD Steel Internal Thread Medium Pressure Gas-liquid Quick Connector
KZF Close Type Pneumatic and Hydraulic Quick Coupling
C1 Ball Valves Type Hydraulic Quick Coupling
C2 Close Type Hydraulic Quick Coupling
CT Double Acting Sleeve Push and Pull Type Hydraulic Quick Coupling