Toprecision — Precision Fastening & Connection Solutions

The thermal design power of a modern AI training rack now exceeds what air can economically remove. Direct-to-chip and immersion liquid cooling have moved from exotic to standard, and with them comes a small but decisive component: the quick disconnect (QD) fitting that lets technicians swap servers, manifolds and coolant distribution units without draining the loop.

Bottom line: for most Sealing Series applications the decision comes down to load, environment and assembly method — the Sealing Series guide walks through the selection.

Toprecision manufactures UQD-compatible quick-connect fittings to the Open Compute Project's Universal Quick Disconnect specification, giving data-center builders a drop-in, interoperable fluid interface for cold plates, manifolds and CDUs.

What separates a good QD from a great one

• Low insertion force with unmistakable tactile click — critical during dark-site, high-volume rack assembly.
• Consistent sealing performance across thousands of mate cycles, verified on automated test rigs.
• Dimensional conformance to the UQD footprint so components from different vendors actually interchange.
• Materials and surface treatments selected for long-term compatibility with PG25 and similar coolants.

Because the fitting sits at the junction of fluid, electrical and mechanical domains, we treat it as a fastening product as much as a fluid product: controlled crimp geometry, verified pull-off forces, and full lot traceability. For hyperscale deployments, Toprecision supports custom lengths, elbow orientations and manifold-integrated configurations.

If your next generation of AI servers is moving to liquid, the humble QD fitting deserves a place on the BOM review agenda — early. Engaging the fittings supplier during cold-plate design avoids the costly retrofit cycle of adapters and non-standard manifolds later.

Industry fastening requirements

Need fasteners for AI server racks?

Toprecision supplies M2.5–M4 micro screws, SMT standoffs and cage nuts for AI server and HPC chassis. Send the rack density and power rating — we will recommend the fastener type and supply tape-and-reel packaging. Request server hardware support.