Parallel branches
Each tray connects to both headers. Coolant can reach any tray without passing through another.
Smart Manifold
The manifold distributes coolant to each tray and monitors flow, temperature and pressure at the rack.
Explore the standalone valveSmart Manifold
Select a tray to trace its flow.Cool supplyHeat from cold platesWarm return
F FlowT TemperatureP Pressure
Path details
Three parallel paths
Coolant splits between three trays. It picks up heat in the cold plates and rejoins the return header.
Supply and return headers
The headers connect to each tray through paired ports. Integrated valves control flow, and sensors provide the readings used for thermal energy monitoring.
Need the valve on its own? Explore the Automatic Flow Valve
Rack measurements
The manifold reports flow, temperature and pressure at the rack through the monitoring interface specified for the installation.
Automatic valves
The controller adjusts the valves to meet the flow target. Calculating thermal power also requires supply and return temperatures and the coolant mixture.
The distribution point for the rack.
The supply header brings coolant from the cooling system to the trays. The return header collects coolant after it has passed through the cold plates. Each tray has its own supply and return connection.
The branches run in parallel. Coolant does not have to pass through one server tray before reaching the next. That makes the manifold the shared connection between the rack and the rest of the liquid-cooling loop.
Distribution, with sensing and control.
- Supply and return
- Paired headers connect the cooling loop to the server trays.
- Flow, temperature and pressure
- Measurements describe the coolant conditions at the manifold.
- Automatic flow control
- Integrated actuated valves work with a defined target and measured feedback. Valve position and actual flow remain separate signals.
- Tray connections
- Quick-connect fittings provide a supply and return path for each connected tray.
- Thermal monitoring
- Measured flow, supply and return temperatures and the confirmed fluid properties support thermal power calculations. Valid power readings can be integrated over time for thermal energy.
- Telemetry and fluid context
- Keep the measurement locations, coolant profile, control status and agreed signal interfaces with the readings.
Keep the system boundary clear.
The manifold distributes and measures coolant at the rack. The connected cooling system supplies circulation and removes heat. Cold plates transfer heat from the chips into the coolant.
Rack-level sensing gives the rack a local reference. Total flow alone does not confirm the flow through each tray. The tray requirements and the branch checks remain part of the overall cooling design.
Manifold questions
Distribution, in context.
Keep the assembly boundary, branch paths and measurements clear.
How is the manifold different from the standalone valve?
The manifold distributes coolant across multiple parallel branches and brings sensing and automatic flow control into the rack assembly. The Automatic Flow Valve is a standalone component for controlling a defined circuit. They can be specified together or separately.
Does each tray have its own flow path?
Yes. Each connected tray has a separate supply and return branch. The branches share the headers. Rack total flow alone does not verify the flow through every tray; branch checks remain part of the system design.
What do energy monitoring and glycol compensation mean here?
Measured flow, supply and return temperatures and the confirmed fluid properties support a thermal power calculation. Integrating valid thermal power over time gives thermal energy. Glycol compensation uses the confirmed coolant profile; it does not change the blend or imply automatic concentration detection.
Does the manifold replace a CDU?
No. The manifold distributes and monitors coolant at the rack. The connected cooling system provides circulation and heat rejection. Its operating envelope and the tray requirements define the conditions the manifold must work within.
What needs to be specified for an installation?
Confirm the branch layout, connector types, coolant compatibility, pressure and temperature limits, sensor positions, flow-control target, telemetry interfaces, override and fault behaviour. Agree verification and acceptance criteria for the actual assembly.
Know what to confirm.
Start with the tray requirements. Check the physical connections, coolant and hydraulic conditions before agreeing the assembly.
Built into the manifold
- Supply and return distribution
- Flow, temperature and pressure sensing
- Built-in control valves
Defined for your rack
- Port count, orientation and mating connectors
- Coolant, wetted materials and seals
- Pressure, temperature and control interfaces
Product details and rack requirements.
Read the product brief and use the specification guide to define the requirements for your rack.