QD4 Female Quick Disconnect No-Spill Coupling, Male Threaded G 3/8 BSPP

Part No. QD4-FSG8 In-Stock Icon In Stock Fedex orders placed now will ship on April 22nd.
Volume Pricing
Qty 1 : $17.99/ea
10 : $17.17
25 : $16.89
50 : $16.35
100 : $15.80
250 : $15.66
500 : $15.52
1000+ : $15.39
RoHS Certified

Koolance patented quick disconnect no-spill coupling with automatic shutoff. G 3/8 BSPP (parallel) thread female fitting for screwing directly into a water block or other component of same threading. It will only fit a Koolance QD4 male 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).

Weight 0.33 lb (0.15 kg)
Fitting Thread G 3/8 BSPP
Max No-Spill Pressure 0.5kgf/cm2 (7psi)
Max Pressure Tolerance @ 25°C 8kgf/cm2 (113.8psi)
Max Temperature Tolerance 80°C (176°F)
Min Pressure Tolerance @ 25°C -1.0kgf/cm2 (-14psi)
Min Storage Temperature (*No Freezing) -20ºC (-4ºF)
Seal Material EPDM (Water/Glycol Liquids)
Wetted Materials Brass, Nickel Plating, Stainless Steel, EPDM
Diagrams / Models (See Files Tab for Diagrams and 3D Models)

Diagram - qd4-fsg8_d1.pdf

Liquid Coolants

Koolance's product warranty does not cover the use of 3rd-party coolants, coolant additives, or corrosion. Koolance LIQ-702 or LIQ-705 coolants are strongly recommended to help avoid issues with mixed metals or biological growth. Additionally, do not use aluminum with bare (unplated) copper or bare (unplated) brass in the same system. Do not use silver with nickel in the same system.