Termination Size

      Termination Type

        Pressure Range


            Seal Options

              Mounting Options

                Spring in FlowPath?

                  RFID Enabled


                    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
                    Product ID: BLQ4D30008


                    BLQ4D46006 product photo


                    1/4" Blind Mate SAE-06 Valved In-Line Liquid Cooling Coupling Insert
                    Product ID: BLQ4D46006
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