July 26, 2018

Safety Concern with Yokogawa Electric Corporation DY-Series Vortex Flowmeters and DYA Converters

  • Type of Notification: Product Safety Notification
  • FM Approval Status: FM Approved

FM Approvals has been notified by Yokogawa Electric Corporation of a potential safety concern involving FM Approved DY Series Vortex Flowmeters and DYA Converters for Foundation Fieldbus communication manufactured from October 31, 2003 through February 16, 2018.


Company Identity: Yokogawa Electric Corporation

Address:  2-9-32 Nakacho Musashino-shi, Tokyo 180-8750, Japan

Contact Information:  1 (800) 524-7378 or support@us.yokogawa.com.


Product Identity: DY Series Vortex Flowemeters and DYA Converters

Make/Model: DYxxx-Fxx…../FS15, or FS16 Integral type vortex flowmeter, DYA-Fxx…/FS15, or FS16 Remote type converter


Nameplate Data: The products have “Assembled in USA” or “Made in USA” on the nameplate with the following additional information:


   DY□□□F□□・・・・/FS15, or /FS16 Integral type vortex flowmeter

   DYAF□□・・・・/FS15, or /FS16 Remote type converter


FM Approval Status:  FM Approved


Hazard Involved: The products contain a fuse whereby the coating does not comply with intrinsic safety requirements and is a potential ignition hazard when used in Class I, Division 1, Zone 0 and Zone 1 hazardous (classified) locations.  See attached Product Alert CFR-18D-DY03E dated May 14, 2018, issued by Yokogawa Electric Corporation.  The affected product must be returned to Yokogawa Electric Corporation.

Using This Product?

If you suspect you are in possession of affected equipment bearing the FM Approvals certification marking, please bring that to the attention of:

Antonio Pires

Norwood, MA, United States

+1 (1) 781-255-4825