Parker Push-Button Universal Quick Disconnect Couplings for Liquid Cooling – UQD Series
Non-spill quick couplings for thermal management in data centres, servers, and high-performance electronics.
The Parker UQD Series is a cutting-edge solution for liquid cooling systems in IT and electronic environments. Engineered to meet Open Compute Project (OCP) specifications, these non-spill quick disconnect couplings feature ergonomic push-button operation and robust stainless-steel construction for reliable, leak-free performance in critical thermal management applications.
Key Features & Benefits
- OCP-Compliant: Fully aligned with Open Compute Project guidelines for maximum interoperability.
- Push-Button Ease: Ergonomic, color-coded design (red for hot side, blue for cold) supports quick, single-handed operation.
- Non-Spill Valve Design: Prevents fluid loss and protects sensitive electronic components.
- High Durability: Built from high-performance thermoplastic and corrosion-resistant stainless steel.
- Supply Chain Efficiency: Supports automated production, faster delivery, and lower cost of ownership.
- Fire Retardant Compliance: UL94 flame-rated high-performance materials.
- Lower Carbon Footprint: Less water usage and emissions vs traditional fittings.
Typical Applications
- Liquid cooling loops
- Data centers
- Supercomputers
- Rackable server systems
- Electronics and IT cooling systems

Technical Specifications
Property | Details |
Industry | Electronics, Semiconductor, Thermal Management, Liquid Cooling |
Media | Water, Coolants |
Max. Operating Pressure | > 0 to 7 bar, > 0 to 100 psi |
Max. Operating Temp. | > 80 to 100 °C, > 200 to 250 °F |
Min. Operating Temp. | < 0 to 10 °C, < 32 to 14 °F |
Connection Size | 9/16-18 UNF – 2B, 3/4-16 UNF – 2B, 11.9 mm, 15.2 mm |
Valve Type | Non-Spill |
Connection Type | Male Thread, Female Thread |
Body Material | Stainless Steel, Thermoplastic |
Seal Material | EPDM |
Operation Type | Push Button, Sleeve |
Technology | Fluid & Gas Handling |
Color Options | Red (hot), Blue (cold) |
Coupling Half | Socket, Plug |