System Cooling

System Cooling offers Injection Molders an exclusive and affordable solution for monitoring flow and temperature circuits within an injection mold.

The efficiency of the mold cooling circuits are critical to a stable process and the manufacturer of high quality, dimensionally stable parts. System Cooling can protect your mold and improve quality by quickly identifying cooling problems and alerting the user to various common cooling circuit problems, such as:

  • No water flow from the mold heater

  • Blocked waterways

  • Scale / rust build-up

  • Incorrect piping


Touch Screen Controller

Using a remote, mounted touch screen the system will monitor and display the flow and temperature for every circuit. The Touch Screen is used to:

  • Set warning and alarm limits for flow and temperature to all monitored zones individually.

  • View current status graphically or as text.

  • Feed alarm signals to an ancillary device – such as an alarm tower, hot runner controller or molding machine.

  • Store data and mold setups in the internal memory where they are time and date stamped for ultimate traceability.  

Molders that run parts with critical tolerances and require consistency of mold cooling can generate reports to support their industry certifications.
Download a Printable PDF

Simple Overview Historical Data Event Log

The user can see an immediate overview of cooling circuit status ‘at a glance’ on a single screen with instant display status alarms should the flow / temperature go outside of tolerance.  

Historical data recording means that a performance log for each circuit and manifold is stored on the internal memory, allowing the user to track the performance and easily identify problems.  

Alarm errors, warnings and operator changes are all stored with a time and date stamp and can be reviewed at any time.  


The slim line and compact design has been developed to enable the System Cooling manifold to be mounted into the smallest space possible next to the machine platens, keeping pipe runs to an absolute minimum, improving flow rates to the mold and reducing cycle times. Other notable features include:

  • 1-1/2” NPT flow and return ports on both the top and bottom of the manifold provide flexibility in connection

  • Can be mounted on either the fixed or moving half of the
    molding machine

  • Can be supplied with color-coded ball valves

  • Available with 4, 8 or 12 ports as standard (other sizes are
    available on request)

  • Multiple manifolds can be electronically ‘daisy-chained’ to
    accommodate the necessary number of flow channels

  • Available in Aluminum or Stainless Steel.

The System Cooling Manifold is equipped with very compact sensors that are capable of reading both flow and temperature:

  • Sensors measure based on the Vortex Flow principle.

  • It has no moving parts and a large flow path.

  • Ideally suited to mold cooling even when using heavily
    contaminated water.

  • Integrated directly into the manifold, keeping size to an
    absolute minimum.


12-port manifold with staggered color coded ball valves for convenient, visual connection.

Interface Module

System Cooling is equipped with a DIN-Rail mounted interface module (MFIO) - this is the hub of the system and allows the manifolds to be easily connected to external devices.

  • The interface module facilitates true ‘plug and play’ operation, allowing multiple manifolds to be monitored.
  • Enables simple connection to the touch screen, power supply, alarm signals in/out and machine communications.
  • Allows data to be fed into production monitoring systems or other devices using the onboard communication ports.

Integrated Solution Capability

AST can offer custom solutions where the electronics is built into the machine control panel and integrated directly into the injection molding machine.

  • Eliminate the need for another controller.
  • Display all System Cooling screens on an existing display.
  • Closed loop design provides safety against starting molds without flow.

The manifold is equipped with network-ready electronics and can be connected to the network/internet via the ethernet connection.

  • Monitor flow from any location directly on your smartphone or laptop.
  • Configure settings on site or remotely.
  • Feed data to an external production monitoring system.

Integrated Solution Capability

New Molds
Moldmakers must often supply new molds to the customer complete with a report of operating parameters including data relating to the cooling circuits in the mold. Now moldmakers can easily connect the System Cooling Test Rig to the mold as part of the benchmarking process.

Mold Maintenance
Mold cooling circuits need to be maintained regularly to remove scale and rust to ensure maximum productivity. With the System Cooling Test Rig, the cooling channels can be analyzed and tested. The flow and pressure can be precisely controlled to simulate the production setup.

Measurement Report
After maintenance users can generate fully documented reports from any location, directly on a smartphone or laptop, certifying that all flow and pressure values are regained. The reports generated document:

  • Flow - volume/capacity; pressure loss through the mold.
  • Pressure leak test results.

For detailed information please contact an AST representative at or via phone at 1-800-269-6653 or 1-847-487-1000.