Material

    Termination Size

      Termination Type

        Pressure Range

          Valved?

            Seal Options

              Mounting Options

                LQ4

                LQ4 Series quick disconnect couplings provide ultra-reliable, dripless connections and disconnections that protect valuable electronics. Designed specifically for liquid cooling applications, LQ4 utilizes patent-pending valve technology that eliminates drips and is able to withstand long-term use.
                 
                Features Benefits
                Non-spill design Disconnect under pressure with no spills
                Redundant sealing when connected Extra protection from leaks
                Color-coding Instant visual difference in cooling lines
                No seal friction in connected state Ultra-reliable protection from drips at disconnect even after long periods in connected state
                Ruggedness Able to withstand long-term, repeated use
                Rotation allows movement Eliminates tube kinking
                 
                Pressure: Vacuum to 120 psi, 8.3 bar
                Temperature: 0°F to 240°F (-17°C to 115°C)

                Maximum Flow at Disconnect
                3.0 gal/min, 11.3 L/min

                Materials:
                Main housing components: Chrome-plated brass
                Valves and thumb latch: Polysulfone
                Valve spring (wetted): Stainless steel
                External spring: Stainless steel
                Seals: EPDM

                Color:
                Chrome with Cool Blue or Chrome with Warm Red

                Tubing Sizes:
                1/4" to 3/8" ID, 6.4mm to 9.5mm ID

                Lubricants:
                Krytox® PFPE

                Spillage:

                <0.025 cc per disconnect rated at 0 psi

                <0.055 cc per disconnect rated at 120 psi

                Inclusion:

                <0.025 cc per connect
                LQ4 Force to connectLQ4-Water-Flow-0-2
                LQ4 water flow 0-20GPM
                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 Cv ~ 1.3 max

                Legend
                Legend

                Product

                Bodies

                LQ4D30006BLU product photo

                LQ4D30006BLU

                LQ4D30006BLU
                3/8 SAE Valved Liquid Cooling Coupling Body, Cool Blue
                Product ID: LQ4D30006BLU
                LQ4D17006RED product photo

                LQ4D17006RED

                LQ4D17006RED
                3/8 Hose Barb Valved In-Line Liquid Cooling Coupling Body, Warm Red
                Product ID: LQ4D17006RED
                LQ4D31006RED product photo

                LQ4D31006RED

                LQ4D31006RED
                3/8" G-Thread/BSPP Valved In-line Liquid Cooling Body, Warm Red
                Product ID: LQ4D31006RED
                LQ4D10006BLU product photo

                LQ4D10006BLU

                LQ4D10006BLU
                3/8 NPT Valved Liquid Cooling Coupling Body, Cool Blue
                Product ID: LQ4D10006BLU
                LQ4D31004RED product photo

                LQ4D31004RED

                LQ4D31004RED
                1/4" G-Thread/BSPP Valved In-line Liquid Cooling Body, Warm Red
                Product ID: LQ4D31004RED
                LQ4D30004RED product photo

                LQ4D30004RED

                LQ4D30004RED
                1/4 SAE Valved Liquid Cooling Coupling Body, Warm Red
                Product ID: LQ4D30004RED
                LQ4D10006RED product photo

                LQ4D10006RED

                LQ4D10006RED
                3/8 NPT Valved Liquid Cooling Coupling Body, Warm Red
                Product ID: LQ4D10006RED
                LQ4D10004BLU product photo

                LQ4D10004BLU

                LQ4D10004BLU
                1/4 NPT Valved Liquid Cooling Coupling Body, Cool Blue
                Product ID: LQ4D10004BLU
                LQ4D17004RED product photo

                LQ4D17004RED

                LQ4D17004RED
                1/4 Hose Barb Valved In-Line Liquid Cooling Coupling Body, Warm Red
                Product ID: LQ4D17004RED
                LQ4D31004BLU product photo

                LQ4D31004BLU

                LQ4D31004BLU
                1/4" G-Thread/BSPP Valved In-line Liquid Cooling Body, Cool Blue
                Product ID: LQ4D31004BLU
                LQ4D30006RED product photo

                LQ4D30006RED

                LQ4D30006RED
                3/8 SAE Valved Liquid Cooling Coupling Body, Warm Red
                Product ID: LQ4D30006RED
                LQ4D17004BLU product photo

                LQ4D17004BLU

                LQ4D17004BLU
                1/4 Hose Barb Valved In-Line Liquid Cooling Coupling Body, Cool Blue
                Product ID: LQ4D17004BLU

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