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Koolance patented quick disconnect no-spill coupling with automatic shutoff. 13mm (1/2in) ID, 19mm (3/4in) OD male straight connection with compression fitting. It will only fit a Koolance QD4 female quick disconnect.
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. Coolant volume lost upon disconnection will rise with internal pressure higher than 0.5kgf/cm2 (7psi).
Additional Specifications
• Materials: Brass, Nickel Plating, Stainless Steel, EPDM
• Max Temp. Operating Tolerance: 100°C (212°F)
• Max Pressure Tolerance @ 25°C: 8kgf/cm2 (113.8psi)
K.
Reviewed in the United States on July 27, 2023
If you need a high quality QDC then Koolance is your best bet. The QD3 series is not as large as the QD4 is physically which makes it much easier to use in many situations. They are fairly flow restrictive unfortunately so make sure you have enough pump if you plan on using more than 2 pairs.
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