Proportional valves offer field adjustment

ASCO Numatics has introduced the Numatics SentronicD line, proportional valves that can be fully tuned to an application without being removed from the production process.

“With its Data Acquisition Software (DaS) and a direct-operating solenoid, the SentronicD valve can shave weeks off development and start-up times plus provide production systems with higher performance characteristics for greater throughput and yield,” said Robert W Kemple Jr, executive vice-president, sales and marketing-Americas, ASCO Numatics. “Now manufacturing and control engineers can incorporate proportional valves that meet their specific application requirements, rather than suboptimizing their application to accommodate a valve's capability.”

The SentronicD valve is ideal for PET blow molding, laser cutting, paint spray, web tensioning, balancing, welding, tire industry, leak testing, and polystyrene foam molding applications where precise pressure control is required.

Users can adapt the pressure regulator to the control loop in an optimal way with Numatics' DaS software and RS232 interface while the valve remains installed in the production machine. The scope function allows the logging and readout of the system's transient response in real-time. Previously saved valve data can be loaded at any time and used as a reference for maintenance and error detection. In addition, the software enables direct interaction with Numatics technical support for factory diagnostics and troubleshooting.

The SentronicD is available with an optional integrated graphic display that quickly presents key data such as outlet pressure, setpoint, and pressure switch signals. This valve incorporates a direct-acting solenoid for faster response and much higher repeatability. This technology is infinitely adjustable and minimizes resolution loss.

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