Koolance QD4 Quick Disconnect 1/2in x 3/4in Blk Male

• Black-plated brass
• 13mm x 19mm (1/2in x 3/4in)
• Male Quick Disconnect compression fitting

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Koolance (patent-pending) black plated brass quick disconnect no-spill coupling with automatic shutoff. 13mm (1/2") ID, 19mm (3/4") OD male black straight connection with compression fitting. It will only fit a Koolance QD4 female quick disconnect.These liquid Cooling quick disconnects QD4 help solve the mess associated with liquid cooling systems while at the same time adding a touch of class to your liquid cooling system.

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 Black-plated brass. Maximum operating pressure is 8kgf/cm2 (113.8psi) @ 25°C. Maximum operating temperature is 100°C (212°F).



Quick Connect Shut-Off No Spill Couplings

Koolance quick disconnects (QDC) are specially designed no spill fittings which automatically shut-off coolant flow upon disconnection. The flow path is re-established when the couplings are connected. Quick disconnects are very useful for areas in a water cooling or plumbing system which are altered and moved frequently. They can also increase convenience when draining a  Liquid cooling system.

 Connected Quick Disconnects

All Koolance QD4 disconnects Compression fittings shutoffs work by having an internal valve which opens and closes as needed. Both male and female fittings contain a "plunger" that is spring-activated. When connected, the valves on both sides remain open to allow coolant to pass through. When disconnected, each side immediately self-seals. Koolance's current couplings are considered "no-spill" or "dry-break". This means very little coolant is freed upon disconnection. The insides of the fittings may be wet, but there is generally not enough liquid to form a drop on either side of the dis engaged QDC Disconnects.

Not Connected Quick Disconnects

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