FM Fire-Safe Durable Fusible Link Design Saves Field Maintenance

When selecting a thermal or electro-thermal shutoff, it is important to determine the correct valve material for the media you will be using, the correct size, the regulations and industry standards you need to conform to, the valve type (ball or butterfly), and end connections. Online configurators, such as the FM Fire-Safe Shutoff configurator makes it easy to select each of the assembly options that best fits your application.

FM Fire-Safe Thermal & Electro-Thermal Shutoff Valve Fusible Link 3-Piece Ball Valve Assembly

3-Piece Ball Valve Assembly

However, it is equally important to select an assembly design that will prove durable in the field, and minimize the amount of field maintenance and repair required over time.

Assured Automation’s FM Fire-Safe Shutoff fusible link design provides many years of reliable service in the field — a clear advantage over other options. The fusible link uses a lever style design to minimize tension on the link. This lever design differs from those that place 100% of the spring tension on the fusible link, which can cause pre-mature failure of the link and requires annual inspections. The FM Fire-Safe thermal and electro-thermal fusible link shutoffs reliably hold up to the highest levels of torque. Moreover, the fusible links in the FM Fire-Safe shutoffs retain their FM approval, even when torque is greater than 50 pounds.

FM Fire-Safe Thermal and Electro-Thermal Shutoff Emergency Block Valve Assemblies

The Assured Automation® FM Fire-Safe Thermal and Electro-Thermal ball valve and butterfly valve assemblies are designed to shut off automatically and control hazardous conditions. The ball valve and butterfly valve assemblies are Factory Mutual (FM) approved. The heat actuated, FM & U.L. listed thermal links automatically shut off or open the valve at predetermined temperatures. A unique, removable handle allows the valve to be manually operated at any time without affecting the fusible links.

FM Fire-Safe Thermal & Electro-Thermal Shutoff Valve Fusible Link Flanged Ball Valve Assembly

Flanged Ball Valve Assembly

Assured Automation’s FM Fire-Safe Thermal and Electro-Thermal ball valve and butterfly valve assemblies are designed to spring a valve to a designated position (open or closed) during an upset condition such as fire. Valves are mounted with a spring canister and thermal link.  The thermal link will melt at a predetermined temperature  (165°F-500°F) and spring the valve to a chosen fail position.

The entire package is FM approved and ensures your plant will meet all requirements involving thermal shutoff valves.

FM Fire-Safe Thermal & Electro-Thermal Shutoff Valve Fusible Link Butterfly Valve Assembly

Butterfly Valve Assembly

A handle is included with the assembly and allows the valve to be manually operated at any time without affecting the fusible link.

About Brian Booth

Brian Booth is Vice President of Sales at Assured Automation, a leading provider of Automated Valves, Flow Components, and Fire Safety Products for industrial process control applications for over 30 years. Assured Automation provides state of the art automation ranging from small equipment manufacturers to the Fortune 500 Manufacturing, Chemical and Pharmaceutical Companies. The Assured Automation product line consists of a complete offering of standardized automated valve assemblies with a variety of commonly used accessory items. In addition, we offer complete valve automation services where we supply special automated valve assemblies designed around your specified products or your particular applications. Full design capabilities are offered including AutoCAD, Solidworks or other commonly used design and drawing programs. In addition to standard products, Assured Automation develops customized solutions for specific customer requirements.
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