Termination Size

      Termination Type

        Pressure Range


            Seal Options

              Mounting Options


                The BLQ4 quick disconnect couplings provide ultra-reliable dripless connections and disconnections that protect valuable electronics. Designed specifically for blind mate liquid cooling applications, the BLQ4 Series use patent pending valve technology that eliminates drips and is able to withstand long-term connection.
                Features Benefits

                Non-spill QD designed for liquid cooling of electronics

                Reduces assembly time / ergonomic

                Blind mate LQ4, latchless, ¼" flow

                Compact size and low weight

                One-piece body: SAE-8

                Increased cooling efficiency

                One-piece insert: SAE-6

                Valves designed to allow full flow even when not fully engaged

                Connect force: 12 lbf @ 0 psi

                Extra protection from contaminants and debris

                Redundant sealing when connected

                Disconnect under pressure

                Friction-free valve

                Valving system designed for extended periods in the connected state

                Axial engagement tolerance

                Able to withstand long-term, repeated use

                Pressure Range:  Vacuum to 120 psi, 8.3 bar
                Temperature:  0°F to 240°F (-17°C to 115°C)
                Materials: Brass
                Material Finish: Chrome
                Seals: EPDM
                Color: Chrome Finish
                Mounting Options: Thread
                Valve: Polysulfone
                Valve Spring: Stainless Steel
                Spillage and Air Inclusion: <0.025 cc per disconnect at 0 psi; <0.055 cc per disconnect at 120 psi
                BLQ4 Force to connectBLQ4-Water-Flow-0-2BLQ4-Water-Flow-0-2
                WARNING: Pressure, temperature, chemicals and operating environment can affect the performance of couplings. It is the customer’s responsibility to test the suitability of Colder products in their own application conditions.
                non-spill BLQ4  Cv ~ 1.3 max


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                BLQ4D30008 product photo


                1/4" Blind Mate SAE-08 Valved In-Line Liquid Cooling Coupling Body


                BLQ4D46006 product photo


                1/4" Blind Mate SAE-06 Valved In-Line Liquid Cooling Coupling Insert
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