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QDC (High Flow) No-Spill Shutoff, Female for 13mm x 19mm (1/2in x 3/4in)Koolance (patent-pending) quick-disconnect no-spill shutoff valve. 13mm (1/2") ID, 19mm (3/4") OD female straight connection with compression fitting. It will only fit any Koolance VL3N male shutoff valve.
After a quarter twist, the quick-disconnect nozzles will separate. Liquid on both sides will be automatically obstructed with only 0.5-1mL freed with only 0.2mL freed. Nozzles are nickel-plated brass. Maximum operating pressure is 2-2.5kgf/cm2 (28-35 psi). Maximum operating temperature is 90°C.