Roger- North Anna uses backflow preventers in some of our floor drains to ensure they do not back up and flood the area. An added benefit is they also provide some control of the air flow as well.
-----Original Message----- From: Aguilera, Roger [mailto:[email protected]] Sent: Wednesday, September 21, 2016 11:39 AM To: [email protected] Subject: [powernet] Floor Drain Devices Does anyone use devices in their floor drains that prevent positive air flow out of the drain but allows the drain to work as designed. We at STP find particles around the floor drain due to positive air flow up through the drain There are rubber check valves we are researching Thanks Roger Sent from my iPhone Powernet - a service of the Health Physics Society Power Reactor Section To post message: Send or Reply to: [email protected] To unsubscribe: send message to [email protected] archive(Nov2015->): http://www.mail-archive.com/[email protected]/ archive(<Oct2015): http://www.mail-archive.com/[email protected]/ If questions, contact E. Scott Medling, CHP at [email protected] CONFIDENTIALITY NOTICE: This electronic message contains information which may be legally confidential and or privileged and does not in any case represent a firm ENERGY COMMODITY bid or offer relating thereto which binds the sender without an additional express written confirmation to that effect. The information is intended solely for the individual or entity named above and access by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution, or use of the contents of this information is prohibited and may be unlawful. If you have received this electronic transmission in error, please reply immediately to the sender that you have received the message in error, and delete it. Thank you. Powernet - a service of the Health Physics Society Power Reactor Section To post message: Send or Reply to: [email protected] To unsubscribe: send message to [email protected] archive(Nov2015->): http://www.mail-archive.com/[email protected]/ archive(<Oct2015): http://www.mail-archive.com/[email protected]/ If questions, contact E. Scott Medling, CHP at [email protected]
