• 08/23/2007 -- DLHENT Insta-Plug™ Tube Plug WhitePaper Presented at

View Insta-Plug™ Tube Plug Presentation Now

• 05/03/2007 -- See DLHENT at Electric POWER-Conference Expo May 1st -3rd Rosemont IL.
• 11/14/2006 -- See DLHENT at POWER-GEN Nov 28th thru 30th in Orlando Fla.
• 08/08/2006 -- See DLHENT at COALGEN Aug 16th thru 18th in Cincinnati
• 01/30/2006-- CEP Magazine - Plug for Heat Exchanger Tubes Provides Triple Sealing -                 
• 12/01/2005 -- DLHENT releases Insta-Plug™ White Paper with Finite Element Analysis Results
• 11/15/2005 -- Visit us at the Power-Gen Show Dec 6-8
• 11/01/2005 -- DLHENT  Announces Insta-Plug™ Heat Exchanger Tube Plug  
• 04/05/2005 -- 7th Annual Exhibition & Conference Electric Power April 5-7, 2005 Chicago, IL