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.

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
Enhanced latch design Easy to see orientation on manifolds and tubing
Lower, ergonomic profile Meets 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-spill Cv ~ 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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