Product information: QD3 Male Quick Disconnect No-Spill Coupling, Compression for 10mm x 13mm (3/8in x 1/2in)Koolance (patent-pending) quick disconnect no-spill coupling with automatic shutoff. 10mm (3/8") ID male straight connection with compression fitting. It will only fit a Koolance QD3 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).