Pop-A-Plug® P2 High Pressure Tube Plugs

Permanently Seal Leaking Heat Exchanger Tubes without Welding or Explosives   

Pop-A-Plug P2 High Pressure Tube Plugs provide a permanent mechanical sealing solution for leaking heat exchanger tubes without explosives or hot work, eliminating the potential for circumferential cracking and other heat related issues associated with welding. Simple hydraulic installation takes only minutes, significantly reducing turnarounds/downtime.

EST Group’s High Pressure Tube Plugs feature internally and externally serrated sealing rings designed to maintain a helium leak-tight seal under extreme thermal and pressure cycling. Provides a long-term solution that allows you to plug leaking tubes confidently!

Pressure Rating: Up to 7,000 PsiG (483 BarG)

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

Standard Materials:Brass, Carbon Steel, 316 Stainless Steel, 304 Stainless Steel, 4142 Alloy, 70/30 CuNi, 90/10 CuNi, Monel, Duplex 2205, Chromoly Grade 11, Chromoly Grade 22, Titanium – additional alloys available, contact Customer Service for full list


  • More reliable and cost-effective than welding tapered pins or explosive plugs
  • Maximizes plant uptime by combining ease of installation and long term performance
  • Maintains helium leak tight seal to 1 x 10-10 cc/sec
  • Unique engineered breakaway controls installation force preventing damage to the tube, tubesheet, and surrounding tubes
  • Ideal for use in applications with coated tubes and tubesheets
  • Meets ASME PCC-2* recommendations and EPRI** criteria 
  • Large inventory available with 24/7 emergency manufacturing capability




*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.

Pop-A-Plug® P2 High Pressure Tube Plugs
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