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Semi-Gas Updates GSM Controller on Bulk Valve Manifold Box
Bulk valve manifold box has updated GSM controller.
Malvern, PA — Semi-Gas® Systems, a supplier of ultra-high purity gas source and distribution systems, recently updated the GigaGuard GSM (gas safety monitor) controller on its Megaturion Bulk Valve Manifold Box (VMB). The new controller is easier to use and provides additional safety features for the system.

The upgraded GigaGuard GSM controller, which supersedes the GSM 1x4, is PLC based and has a 4.3-in. color touch screen. A user-friendly software design provides intuitive prompts and alarms, which help to reduce operator error and increase safety. With the upgraded controller, operators now have the ability to configure both inputs and outputs as well as adjust set points and limits, making the system more adaptable than the previous GSM 1x4 controller. In addition, the GigaGuard GSM independently operates ESO valves, monitors both analog and digital process sensors, displays delivery pressures and continuously monitors the system environment for hazards while maintaining an active alarm log. To further improve operational safety, the controller incorporates local and remote system shutdown capabilities in the event of a system trip. Available in 4-, 6-, and 8-stick configurations as well as in customized designs, the semi-automatic Megaturion VMB safely and continuously distributes hazardous process gases from the source to various tools and points of use, as needed, in high flow semiconductor and LED manufacturing applications.

All Megaturion VMBs meet SEMI S2, SEMI S8 and uniform fire code requirements. Multiple communications protocols, integrated gas and fire detection and Class 1, Division 2 upgrades are available. The GSM enclosure is constructed of welded 16 Ga steel. The flip-down door provides easy access to the system components, including the Siemens S7-1200 series PLC. Additional standard features include a SEMI-approved EMO (emergency off) button, pneumatic valve manifold and multi-color LED panel status lights.

Contact: Semi-Gas, a Division of Applied Energy Systems, Inc., 180 Quaker Lane, Malvern, PA 19355 610-647-8744 fax: 610-640-4548 E-mail: Web:


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