Versatile Design for Testing Elbow Configurations to 3350 PsiG (231 BarG)

EST Group’s GripTight® Elbow Test Plug is a revolutionary new plug designed for testing long radius elbows. Patent-pending dual-serrated GripTight MAX™ grippers give this unique plug design enhanced holding power to 3350 PsiG (231 BarG) – providing a safe and effective solution for pipe spools and piping systems terminating in long radius elbows.


  • Orientation Free Installation – no need to align with elbow
  • Test Pressure – 3350 PsiG (231 BarG) – higher pressures available upon request
  • Stocked sizes for NPS ranging from 2” thru 24” (DN50 – DN600), larger sizes built to order
  • Patent-pending dual-serrated gripper design
  • Fits all long radius elbows (45°, 90°, 180°)
  • Easy Installation – No welding or hot work required
  • Safe self gripping design uses test pressure to increase holding power
  • Save up to 80% in testing time vs. welded-on end cap procedures
  • Laser-marked top washer clearly identifies part number, size range, pressure rating, and document number for operating instructions


  • Carbon Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Incoloy, Hastelloy, ChroMoly, Clad Elbows, Hardened Materials
  • Reliable performance in a wide range of finishes – cast, rolled, extruded, machined, polished, honed, etc.