Pop-A-Plug® P2 High Pressure Tube Plugs

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Repair Heat Exchanger Tube Leaks without Welding

When it comes to heat exchanger maintenance for shell and tube condensers and boilers, you need a tube plugging solution you can rely on.

Pop-A-Plug P2 High Pressure Tube Plugs provide a permanent mechanical tube plugging solution for leaking heat exchanger tubes without welding, eliminating potential circumferential cracking and other heat related issues associated with welding.

EST Group’s high-pressure tube plugs maximize uptime by maintaining a helium leak-tight seal that will not eject like friction fit tapered plugs. Pop-A-Plug Tube Plugs ensure stability through a ring/pin design with metallurgy matched to tube material to minimize thermal expansion/contraction issues, and undesirable galvanic corrosion. No welding required.

Pop-A-Plug P2 High Pressure Tube Plugs provide a long-term solution that allows you to plug heat exchanger tube leaks confidently!

Pressure Rating Up to 7,000 PsiG (483 BarG) - higher pressures available upon request

Size Range 0.400” to 1.460” (10.16mm to 37.08mm) Tube I.D. - larger/smaller sizes available upon request

Standard Materials Brass 360/464, Carbon Steel (1018 & 1045), 304/304L Stainless Steel, Copper Nickel 70/30, 316/316L Stainless Steel, Titanium – additional alloys available, contact customer service for full list

Features & Benefits

  • Maximizes plant uptime by combining ease of installation and long term performance
  • Engineered breakaway controls installation force preventing damage to the tube, tubesheet, and surrounding tubes
  • Maintains helium leak-tight seal to 1 x 10-10 cc/sec
  • Meets ASME PCC-2* recommendations and EPRI** criteria 
  • Accommodates Through-the-Tube Plugging applications
  • Simple hydraulic installation takes only minutes
  • Lowest lifecycle cost compared to alternative tube plugging methods
  • Ideal for use in applications with coated tubes and tubesheets
  • Large inventory available with 24/7 emergency manufacturing capability



Do you require a medium pressure tube plug? Check out our Pop-A-Plug CPI/Perma Medium Pressure Tube Plug

*Inspection and Repair of Shell and Tube Heat Exchangers, The American Society of Mechanical Engineers (ASME) PCC-2, Article 312.

** Condenser In-Leakage Guideline, Electric Power Research Institute (EPRI), Palo Alto, CA, 2000, TR-112819 Page 7.