LQ4

LQ4 Series quick disconnect couplings provide ultra-reliable, dripless connections and disconnections that protect valuable electronics. Designed specifically for liquid cooling applications, LQ4 uses patent-pending valve technology that eliminates drips and is able to withstand long-term use.

FeaturesBenefits
Non-spill designDisconnect under pressure with no spills
Redundant sealing when connectedExtra protection from leaks
Color-codingInstant visual difference in cooling lines
No seal friction in connected stateUltra-reliable protection from drips at disconnect even after long periods in connected state
Enhanced latch designEasy to see orientation on manifolds and tubing
Lower, ergonomic profileMeets size requirements for space-constrained electronics
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-spillCv ~ 1.3 max

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Product

Bodies

LQ4D30006BLU product photo

LQ4D30006BLU

3/8 SAE Valved Liquid Cooling Coupling Body, Cool Blue
LQ4D31006RED product photo

LQ4D31006RED

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

LQ4D10006BLU

3/8 NPT Valved Liquid Cooling Coupling Body, Cool Blue
LQ4D31004RED product photo

LQ4D31004RED

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

LQ4D30004RED

1/4 SAE Valved Liquid Cooling Coupling Body, Warm Red
LQ4D10006RED product photo

LQ4D10006RED

3/8 NPT Valved Liquid Cooling Coupling Body, Warm Red
LQ4D10004BLU product photo

LQ4D10004BLU

1/4 NPT Valved Liquid Cooling Coupling Body, Cool Blue
LQ4D17004RED product photo

LQ4D17004RED

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

LQ4D31004BLU

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

LQ4D30006RED

3/8 SAE Valved Liquid Cooling Coupling Body, Warm Red
LQ4D17004BLU product photo

LQ4D17004BLU

1/4 Hose Barb Valved In-Line Liquid Cooling Coupling Body, Cool Blue
LQ4D31006BLU product photo

LQ4D31006BLU

3/8" G-Thread/BSPP Valved In-line Liquid Cooling Body, Cool Blue

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