CJan Fluid Technology Co., Ltd.
UQD Quick Disconnect Couplings for Liquid Cooling Systems

UQD Quick Disconnect Couplings for Liquid Cooling Systems

UQD Quick Disconnect Couplings for Liquid Cooling Systems

The UQD series quick disconnect couplings are a globally recognized open standard developed under the promotion of the Open Compute Project (OCP). They enable leak-free, rapid connection and disconnection for liquid cooling systems in data centers.
Leveraging long-standing industry expertise and rigorous quality control, Shanghai Cunjian’s UQD series quick disconnect couplings for liquid cooling systems are fully engineered to comply with OCP UQD specifications. Furthermore, they exceed the open standard requirements in temperature and pressure resistance, sealing performance and flow capacity.

Application Fields
Data centers, supercomputers, internet switches and other scenarios adopting liquid cooling technology.

Features

1. Dual automatic shut-off design for leak-free operation, ensuring high safety and reliability
2. Push-to-connect interface, operable with one hand for convenient and fast connection
3. Compact structure, suitable for high-density installation to save space
4. OCP standard dimensions with precise tolerances for perfect interchangeability
Compatible Media
Deionized water (pure water), water-glycol, water-propylene glycol, fluorinated liquids and other liquid cooling fluids
 Materials
 Body: SS316L stainless steel
Seals: EPDM as standard; HNBR, FVMQ and other materials available upon working conditions
Technical Parameters
Maximum working pressure: 20 bar
Operating temperature range: -40℃ ~ +120℃



Code Nominal Bore (mm) Connection Type Dimension A (mm) Dimension D (mm) Dimension L1 (mm) Dimension L (mm) Dimension S (mm) Drawing No.
UQD02SF1E 3 7/16-20 UNF Female Thread - 20 - 44.8 16 1
UQD02SM1E 3 7/16-20 UNF Male Thread 32° 20 9.1 42.4 16 2
UQD02SP1E 3 1/4" Push-on Barb Fitting - 20 21.5 54.8 16 3
UQD04SF1E 5 9/16-18 UNF Female Thread - 25.2 - 59 19 1
UQD04SM1E 5 9/16-18 UNF Male Thread 17° 25.2 10 56 19 2
UQD04SP1E 5 3/8" Push-on Barb Fitting - 25.2 24.5 70.1 19 3
UQD06SF1E 7 3/4-16 UNF Female Thread - 28.4 - 68.1 24 1
UQD06SM1E 7 3/4-16 UNF Male Thread 30° 28.4 11 61.9 24 2
UQD06SP1E 7 1/2" Push-on Barb Fitting - 28.4 27 79 24 3
UQD08SM1E 10 7/7-14 UNF Male Thread 40° 32 12.7 72.7 27 2
UQD08SP1E 10 5/8" Push-on Barb Fitting - 32 27 87.2 27 3
UQD02PM1E 3 7/16-20 UNF Male Thread 16° 17 9.1 40.1 16 4
UQD02PM2E 3 1/8" BSPP Male Thread 20° 17 8 39 16 4
UQD04PM1E 5 9/16-18 UNF Male Thread 10° 20.9 10 45 19 4
UQD04PM2E 5 1/4" BSPP Male Thread 10° 21 9.7 45 19 4
UQD06PM1E 7 3/4-16 UNF Male Thread 20° 24 11.1 56.2 22 4
UQD06PM2E 7 3/8" BSPP Male Thread 20° 24 11.1 52.1 22 4
UQD08PM1E 10 7/7-14 UNF Male Thread 20° 29.5 12.7 60.6 27 4
UQD08PM2E 10 1/2" BSPP Male Thread 20° 29.5 14 61.9 27 4

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