Product information: QD4 Male Quick Disconnect No-Spill Coupling, Compression for 13mm x 19mm (1/2in x 3/4in)Koolance (patent-pending) quick disconnect no-spill coupling with automatic shutoff. 13mm (1/2") ID, 19mm (3/4") OD male straight connection with compression fitting. It will only fit a Koolance QD4 female shutoff valve.
After pulling the ring on the female QDC side, the quick-disconnect fittings will separate. Liquid on both sides will be automatically obstructed with approximately 0.2mL freed. Fittings are nickel-plated brass. Maximum operating pressure is 2kgf/cm2 (28.5 psi) @ 25°C. Maximum operating temperature is 100°C (212°F).
ID: 13mm (1/2")
OD: 19mm (3/4")
Wall: 3mm (1/8")