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Foxboro Eckardt positioners are designed to operate pneumatic valve actuators. These high-performance instruments feature the latest 100 percent solid-state sensing and control circuitry. Some advantages include modular structure, upgradable electronics, easy installation and startup; IP66, NEMA 4X, and explosion-proof Class 1, Division 1 enclosures; and up to 60 percent less air consumption than conventional electro-pneumatic positioners.
Designed to operate linear or rotary pneumatic valve actuators, the SRI Foxboro Eckardt series positioners belong to an elite product family with a proven history and tradition of high reliability in 4-20 mA analog control.
The Foxboro Eckardt analog positioners offer highly reliable mechanisms for superior control and excellent modularity for additional features such as feedback signal or limit switches. Each unit comes with a pneumatic test signal mechanism, which can be crucial for troubleshooting valve actuators.
Key Benefits
The SRD991 offers the most advanced technology available on the market today. This includes among others an infrared interface for wireless operation and configuration, a multi-lingual full-text graphic LCD and an availability with the choice of all in the process automation applied communication protocols. It offers enhanced applications and methods to analyze recorded stroke data.
All the diagnostics features can be easily configured and display by the Positioner DTM (VALcare). Moreover, the Positioner DTM enables to edit a complete "health" report of the valve with all data of configuration and diagnostics. The SRD991 has also the capability to control a Partial Stroke Test (PST) that offers operators a tool to identify the trouble-proof function of ESD (Emergency Shut Down) valves.
Key Benefits
The SRP series positioner can be used for controlling pneumatic valve actuators with a pneumatic control signal. Durable and dependable, it has endured the test of time, making it the most traditional of the Foxboro Eckardt positioners.
The pneumatic series positioners offer independent adjustment of zero and stroke range, along with adjustable amplification and damping effects, the user is granted full access of desired control characteristics.
Key Benefits
A wide range of position transmitters is available to monitor position of valves and actuators.
Key Benefits
Final control elements in Emergency Shutdown (ESD) applications such as ON-OFF-, Blow Down and Venting-Valves remain in one position over a longer time without any mechanical movement. These valves can show the tendency to get stuck and as a result might not operate upon demand. This can have a severe impact on the functionality of a Safety System and could result in an adverse condition to the operating personnel, plant equipment and the environment. The Partial Stroke Test (PST) offers operators a tool to identify the troubleshooting function of ESD valves. The test can be easily executed via the DTM based configuration and diagnostic tool.
Key Benefits
