Third-Party Approval for Vacuum Leak Detection System

Made in the U.S.A., Our Vacuum Leak Detection System is now listed on the National Work Group for Leak Detection Evaluations (NWGLDE) website. The NWGLDE list is “a compilation of storage tank and associated piping leak detection equipment that have undergone Third-Party Evaluations and have been found by the Work Group to meet the evaluation requirements contained in accepted […]

Five Considerations for Pumping and Storing Liquid Biofuels

-Dan Wallace, Danbury, CT Why do you need to know about biofuel handling? End users, governments, and private enterprises are looking for ways to reduce carbon emissions while minimizing capital equipment costs, and the equipment impacted ranges from backup diesel generators to industrial boilers. While the customer needs for this fuel are becoming more pronounced, third party testing […]

Watchdog Circuits in Burner Management

-Howard Wells, Preferred Utilities, Danbury, CT Introduction Have you ever seen a PLC-based burner management system and wondered “Why are the inputs turning on and off every few seconds?” This “flashing” of the inputs is a type of error checking for the PLC discrete input channels and is required by NFPA 85 for all non-SIL3 rated PLC-based burner […]

PE Jet Pump Plug

Made in the U.S.A. Preferred Engineering Jet Pump Plugs assembled, tested, and ready for action! These plugs are specifically designed to seal the nozzle of a jet pump mixer opening in a BWR nuclear power plant. Actuated mechanically and designed for easy installation with a light duty handling pole, these plugs give our customers peace of mind during […]

How NYC’s Department of Education Gained Control of Its Faulty Boiler Fans

Could an innovative control make outdated equipment work like its modern counterparts? Read the article in Today’s Boiler here. New York City regulates the size and efficiency of draft fans in most large physical plants and municipal properties, but the NYC Department of Education was struggling to meet those guidelines. The department utilized old, outdated boilers that were […]